Passive Steel Homes — by SerVilla

Uluslararası Hafif Çelik Pasif Konut Mühendisliği

Tarih: 22.10.2026

Tel / WhatsApp: +90 505 507 04 18

Web: passivesteelhomes.com

Gross Area

213 m²

Storeys

2 Storeys

Bedrooms

5 Beds

Garage

1 Garage

Structure

CFS S350GD+Z275

Energy Level

Passivhaus / A+ Ready

Architectural Concept

Model 18-2111 — 213 m², 2 storeys

Model 18-2111 architectural design: 213 m², flexible layout and high-performance steel envelope adaptable to Passive House benchmarks.

2018 Villa Collection Urban Living & Townhouses

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Model 18-2111 — 213 m², 2 storeys - 18-2111

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BIM Quantities & Pre-Engineering

Material Takeoff & Construction Metrics for Model 18-2111

Pre-calculated per Eurocode 3 & DIN 4108

For this 213 m² model, the structural steel tonnage, insulation cubic volume and bolted assembly timeline have been pre-engineered using SerVilla production benchmarks:

Steel Tonnage

~9.4 Ton

S350GD+Z275 (44 kg/m²)

Wall Envelope

~248 m²

Continuous wrap area

Roof Area

~122 m²

Waterproofed envelope

Glazing Area

~42.6 m²

Uw ≤ 0.80 W/m²K (Argon)

Rockwool Volume

~110.5 m³

Cavity + exterior slab

Assembly Time

13 - 16 Days

Bolted dry erection

Export Logistics: This model ships in approximately 2 Trucks / 40' HC Containers flat-packed.

Site delivery across Europe

Architectural Floor Plan

Floor Plan & Architectural Layout for Model 18-2111

213 m² • 2 Storey • 5 Beds

The authentic architectural floor plan and layout for this design are shown in the gallery drawings above. Cold-formed steel (CFS) framing allows open-span flexibility without intrusive load-bearing concrete columns. Our architects can adapt room configurations to your site orientation and requirements.

Full Plans Catalog (1,281 Models) Request Plan Adaptation on WhatsApp

Interactive Simulator

Energy Standard & Cost Savings Simulator for Model 18-2111

Select your target energy efficiency standard and climate zone to simulate annual heating demand, utility bill savings and PV solar potential.

Passive Standard Savings

%88

Target Building Standard:

Plot Climate Zone:

Blower Door Guarantee: Airtight envelope membranes guarantee an air change rate of n50 <= 0.60 h⁻¹ to prevent unconditioned ventilation heat loss.

15 kWh

Heating Demand (m²/yr)

~8.946 €

Annual Energy Savings

~178.920 €

20-Year Cumulative Savings

~4.9 Ton

Annual CO₂ Offset

240 mm

Recommended Wall Insulation

~19.5 kWp

Roof Solar PV Potential

Engineering Benchmark

Model 18-2111: SerVilla CFS Steel vs. Traditional Concrete

SerVilla Cold-Formed Steel engineering delivers decisive structural and environmental advantages over conventional wet-concrete construction:

Seismic Resilience

SerVilla Hafif Çelik (CFS)

10x Lighter & Ductile

Earthquake load is proportional to mass. High ductility dissipates seismic energy without brittle fracture.

Traditional Concrete / Masonry

Heavy & Brittle

High structural dead-load attracts maximum inertia force with risk of column joint failure.

Thermal Bridges & Mould

SerVilla Hafif Çelik (CFS)

Zero Thermal Bridge Envelope

Continuous exterior rockwool blanket completely encases framing; moisture-variable membrane ensures zero mould.

Traditional Concrete / Masonry

Severe Thermal Bridging

Concrete columns and slabs act as cold thermal conduits leading to condensation and corner mildew.

Construction Speed

SerVilla Hafif Çelik (CFS)

6 to 10 Weeks Rapid Turnaround

All elements pre-engineered in factory, rapid bolted dry erection on site regardless of rain or freezing cold.

Traditional Concrete / Masonry

12 to 18 Months Protracted

Wet trades require 28-day curing cycles, weather delays and prolonged on-site labor overhead.

Net Usable Living Area

SerVilla Hafif Çelik (CFS)

+8% to +10% More Net Usable Space

Slim high-performance envelope saves up to 10-15 cm per perimeter wall, adding a full extra room equivalent.

Traditional Concrete / Masonry

Thick Walls Eat Floor Area

Bulky 40cm structural masonry and concrete pilasters significantly reduce net sellable/livable floor space.

Carbon Footprint & Eco

SerVilla Hafif Çelik (CFS)

90%+ Recyclable Structural Steel

Zero-water dry assembly, zero construction debris, fully recyclable circular economy material.

Traditional Concrete / Masonry

High Carbon & Landfill Waste

Cement production accounts for 8% of global CO₂ emissions; demolition generates tons of non-recyclable rubble.

Scroll horizontally to view all columns 3-Column Benchmark

Evaluation Criteria	SerVilla Hafif Çelik (CFS)	Traditional Concrete / Masonry
Seismic Resilience	10x Lighter & Ductile Earthquake load is proportional to mass. High ductility dissipates seismic energy without brittle fracture.	Heavy & Brittle High structural dead-load attracts maximum inertia force with risk of column joint failure.
Thermal Bridges & Mould	Zero Thermal Bridge Envelope Continuous exterior rockwool blanket completely encases framing; moisture-variable membrane ensures zero mould.	Severe Thermal Bridging Concrete columns and slabs act as cold thermal conduits leading to condensation and corner mildew.
Construction Speed	6 to 10 Weeks Rapid Turnaround All elements pre-engineered in factory, rapid bolted dry erection on site regardless of rain or freezing cold.	12 to 18 Months Protracted Wet trades require 28-day curing cycles, weather delays and prolonged on-site labor overhead.
Net Usable Living Area	+8% to +10% More Net Usable Space Slim high-performance envelope saves up to 10-15 cm per perimeter wall, adding a full extra room equivalent.	Thick Walls Eat Floor Area Bulky 40cm structural masonry and concrete pilasters significantly reduce net sellable/livable floor space.
Carbon Footprint & Eco	90%+ Recyclable Structural Steel Zero-water dry assembly, zero construction debris, fully recyclable circular economy material.	High Carbon & Landfill Waste Cement production accounts for 8% of global CO₂ emissions; demolition generates tons of non-recyclable rubble.

Architectural Details

Architectural Sections & Layer Anatomy for Model 18-2111

Examine the layer-by-layer architectural anatomy of walls, roof, intermediate floor and RAL window installation with exact thermal conductivity and fire ratings:

1:1 CAD/CAM Detail Eurocode 3 • Passivhaus • DIN 4108

Interactive Architectural Sections & Junction Details

Explore the layer-by-layer anatomy of walls, floors, foundations, roofs and precision window installation interfaces.

✓ 4 Systems • High-Precision Details

Exterior Wall 1: Rendered Insulation (EIFS / ETICS)

Classic passive house wall with continuous 120 mm exterior rockwool EIFS fully eliminating all thermal bridging through steel studs, vapour-open from inside out.

U = 0.12 W/m²K • REI 90 • Rw = 56 dB

U-Value

0.12 W/m²K

Total Thickness

335 mm

Sound Insulation

56 dB

Fire Rating

REI 90 (Euroclass A1/A2)

Thermal Bridge (Ψ)

≤ 0.010 W/mK

CAD/CAM PRECISION • CROSS SECTION 1:1 VECTOR SPEC ONLINE INTERACTIVE

Physical Layer Breakdown & Material Specification

7 Layers

1 Silicone Exterior Render & Mesh

10 mm λ: 0.75 W/mK μ: 35 A2-s1,d0

Hydrophobic, breathable finish

2 Continuous Exterior Rockwool Slab

120 mm λ: 0.035 W/mK μ: 1.0 A1

Continuous external thermal blanket

3 External Structural Sheathing Board

12.5 mm λ: 0.25 W/mK μ: 15 A1

Wind & seismic shear diaphragm

4 CFS Stud Frame (C140) + 140 mm Mineral Wool

P1/P2

140 mm λ: 0.034 W/mK μ: 1.0 A1

Primary load-bearing steel skeleton

5 Smart Vapour & Airtightness Membrane

0.5 mm λ: 0.20 W/mK μ: Sd=0.25-25m E

Envelope airtight seal n50 <= 0.60

6 Service Cavity (Battens)

40 mm λ: 0.040 W/mK μ: 1.0 A1

Piping & wiring without piercing membrane + stud thermal break

7 Double Fire/Acoustic Gypsum (Type F) / Fermacell

25 mm λ: 0.25 W/mK μ: 10 A2-s1,d0

Impact durability and fire shielding

Scroll horizontally to view all layer parameters 7 Layers

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Silicone Exterior Render & Mesh	10 mm	0.75 W/mK	35	A2-s1,d0	P3	Hydrophobic, breathable finish
2	Continuous Exterior Rockwool Slab	120 mm	0.035 W/mK	1.0	A1	P3	Continuous external thermal blanket
3	External Structural Sheathing Board	12.5 mm	0.25 W/mK	15	A1	P2	Wind & seismic shear diaphragm
4	CFS Stud Frame (C140) + 140 mm Mineral Wool	140 mm	0.034 W/mK	1.0	A1	P1/P2	Primary load-bearing steel skeleton
5	Smart Vapour & Airtightness Membrane	0.5 mm	0.20 W/mK	Sd=0.25-25m	E	P2	Envelope airtight seal n50 <= 0.60
6	Service Cavity (Battens)	40 mm	0.040 W/mK	1.0	A1	P4	Piping & wiring without piercing membrane + stud thermal break
7	Double Fire/Acoustic Gypsum (Type F) / Fermacell	25 mm	0.25 W/mK	10	A2-s1,d0	P4	Impact durability and fire shielding

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Thermo-Wood / Composite Cladding	20 mm	0.15 W/mK	50	B-s1,d0	P3	UV-resistant rain deflector
2	Vertical Counter-Battens (Ventilation Gap)	30 mm	Konvektif Akış	1.0	B	P3	Chimney-effect convective cooling
3	UV-Resistant Breather Membrane	0.6 mm	0.20 W/mK	Sd=0.02m	B-s1,d0	P3	Blocks driven rain, vents moisture
4	Rigid Exterior Rockwool Board	100 mm	0.034 W/mK	1.0	A1	P3	Continuous external insulation
5	Structural Sheathing (BoardeX)	12.5 mm	0.25 W/mK	15	A1	P2	Shear bracing
6	CFS Frame C140 + 140 mm Rockwool	140 mm	0.034 W/mK	1.0	A1	P1/P2	Primary load-bearing structure
7	Smart Vapour & Airtightness Membrane	0.5 mm	0.20 W/mK	Sd=0.25-25m	E	P2	Airtight red line seal
8	Service Zone (40 mm) + Double Gypsum (25 mm)	65 mm	0.25 W/mK	10	A2	P4	Interior finish & service cavity

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Brick Slips / Natural Stone Cladding	25 mm	0.80 W/mK	50	A1	P3	Frost-resistant exterior masonry cladding
2	Ventilated & Drained Cavity (Stainless Ties)	40 mm	R=0.18 m²K/W	1.0	A1	P3	Rear ventilation drainage cavity
3	Exterior Rockwool Insulation (120 mm)	120 mm	0.22 W/mK	Sd=0.02 m	B-s1,d0	P3	Breathable wind-tight weather barrier
4	Heavy-Duty Sheathing Board	12.5 mm	0.035 W/mK	1.0	A1	P2	Continuous external mineral wool insulation
5	CFS Stud C140 + 140 mm Rockwool Cavity Fill	140 mm	0.25 W/mK	15	A1	P1/P2	Shear wall seismic diaphragm
6	Smart Vapour Barrier & Airtight Membrane	0.5 mm	0.034 W/mK	1.0	A1	P2	Load-bearing cold-formed steel skeleton
7	Service Zone + Double Gypsum Lining	55 mm	0.21 W/mK	Sd=0.25-25 m	A2-s1,d0	P4	Airtight boundary and interior drywall

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Exterior Cladding / EIFS	80 mm	0.75 W/mK	35	A2-s1,d0	P3	Hydrophobic breathable exterior finish
2	Outer Structural CFS Frame (C90)	90 mm	0.040 W/mK	5.0	A1	P1/P2	External render carrier insulation
3	Thermal Decoupling Gap (Continuous Wool Fill)	70 mm	0.034 W/mK	1.0	A1	P2	Outer non-bridged stud line
4	Inner Structural CFS Frame (C90)	90 mm	0.036 W/mK	1.0	A1	P1/P2	Complete thermal break cavity separating studs
5	Smart Vapour & Airtightness Membrane	0.5 mm	0.034 W/mK	1.0	A1	P2	Primary load-bearing inner stud wall
6	Service Cavity + Double Fermacell Board	75 mm	0.21 W/mK	Sd=0.25-25 m	A2-s1,d0	P4	Unpierced service zone and airtight lining

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Room 1 Double Gypsum Board	25 mm (2x12.5)	0.25 W/mK	10	A2-s1,d0	P4	Smooth interior drywall lining
2	CFS Studs (C75) + 75 mm Acoustic Mineral Wool Fill	75 mm	50 W/mK	Sonsuz	A1	P1/P4	Light gauge steel partition stud frame
3	Perimeter Resilient Acoustic Sealing Strips	5 mm	0.037 W/mK	1.0	A1	P1	Cavity acoustic absorption batts
4	Room 2 Double Gypsum Board	25 mm (2x12.5)	0.25 W/mK	10	A2-s1,d0	P4	Opposite face interior drywall

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Unit A Double Fire/Sound Gypsum (Type F)	25 mm	0.25 W/mK	10	A2-s1,d0	P4	High-density acoustic mass board
2	Unit A CFS Studs C75 + 75 mm Rockwool	75 mm	0.035 W/mK	1.0	A1	P1/P4	First decoupled partition stud row
3	Acoustic Decoupled Air Gap	30 mm	R=0.16 m²K/W	1.0	B2	P1	Complete structural sound decoupling gap
4	Unit B CFS Studs C75 + 75 mm Rockwool	75 mm	0.035 W/mK	1.0	A1	P1/P4	Second decoupled partition stud row
5	Unit B Double Fire/Sound Gypsum (Type F)	25 mm	0.25 W/mK	10	A2-s1,d0	P4	Final mass layer delivering Rw 64 dB rating

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Ceramic / Porcelain Tiles + Waterproof Grout	10 mm	1.30 W/mK	200	A1	P4	Waterproof ceramic/porcelain tile finish
2	Double Liquid Tanking Membrane + Corner Sealing Tapes	2 mm	0.20 W/mK	Sd=15 m	E	P4	Liquid waterproof tanking membrane & tapes
3	Water-Resistant Cement Board (Aquapanel)	12.5 mm	0.25 W/mK	15	A2-s1,d0	P4	Hydrophobic water-resistant board
4	CFS Studs (C90) + 90 mm Moisture-Treated Rockwool	90 mm	0.035 W/mK	1.0	A1	P1/P4	Reinforced frame for wall-hung fixtures
5	Dry Room Side: Double Gypsum (20 mm)	20 mm	0.040 W/mK	1000	B-s3,d0	P4	Acoustic pipe insulation & drainage cavity

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Floor Finish (Parquet / Tile)	15 mm	0.15 W/mK	50	Cfl-s1	P4	Floor finish layer
2	Underfloor Heating Screed	50 mm	1.40 W/mK	35	A1	P4	Thermal mass and underfloor heating screed
3	Acoustic Impact Mat (ΔLw = 28 dB)	30 mm	0.040 W/mK	Sd=100 m	B2	P4	Perimeter expansion strip acoustic break
4	Structural Subfloor Board (22 mm)	22 mm	0.038 W/mK	1.0	A1	P2	Impact sound resilient acoustic mat
5	Resilient EPDM Joist Isolation Strips	6 mm	0.13 W/mK	50	D-s2,d0	P1	Structural subfloor shear diaphragm deck
6	CFS Floor Joists (C250 mm or 30 cm Open-Web Lattice Truss with C90/C140) + Acoustic Wool	250 - 300 mm	0.035 W/mK	1.0	A1	P1/P2	Primary CFS floor joist structural cassette
7	Resilient Ceiling Channels + Double Gypsum (25 mm)	50 mm	0.25 W/mK	10	A2-s1,d0	P4	Resilient acoustic ceiling & 60-min fire resistance

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Floor Finish (Parquet / Carpet)	10 mm	0.14 W/mK	40	Cfl-s1	P4	Lightweight floor finish
2	Fermacell Dry Screed Interlocking Elements	25 mm	0.32 W/mK	13	A2-s1,d0	P4	High-strength dry screed gypsum-fibre element
3	Integrated Woodfiber / Mineral Impact Underlay	20 mm	0.040 W/mK	5.0	A1	P4	Integrated impact sound insulation layer
4	Subfloor Deck (18 mm OSB-3)	18 mm	0.13 W/mK	50	D-s2,d0	P2	Structural subfloor decking diaphragm
5	CFS Joists (C250 mm or 30 cm C90/C140 Truss) + Rockwool Fill	250 - 300 mm	0.035 W/mK	1.0	A1	P1/P2	Structural CFS floor joist cassette
6	Ceiling Lining (25 mm)	25 mm	0.25 W/mK	10	A2-s1,d0	P4	Resilient channel suspended ceiling

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Anti-Slip Ceramic Tiles + Epoxy Grout	10 mm	1.30 W/mK	200	A1	P4	Anti-slip wet room ceramic tiles
2	Double Liquid Waterproof Tanking Membrane	2 mm	0.20 W/mK	Sd=20 m	E	P4	Continuous tanking membrane & corner tapes
3	Tapered Screed + Stainless Linear Drain Trap	50 - 70 mm	1.30 W/mK	35	A1	P4	Gradient drainage screed to floor waste
4	Waterproof Acoustic Underlay Mat	20 mm	0.034 W/mK	150	E	P4	High-load extruded polystyrene thermal board
5	Cement Particle / Waterproof Subfloor	22 mm	0.25 W/mK	25	A1	P2	Inorganic rot-proof cementitious subfloor board
6	CFS Joists (C250 mm or 30 cm C90/C140 Truss) + Rockwool	250 - 300 mm	0.035 W/mK	1.0	A1	P1/P2	Recessed CFS steel joist frame
7	Moisture-Resistant Green Gypsum Ceiling	25 mm	0.25 W/mK	10	A2-s1,d0	P4	Moisture & fire-rated lower ceiling assembly

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Floor Finish + Screed	65 mm	1.30 W/mK	35	A1	P4	Floating screed with UFH pipes
2	Acoustic Decoupling Mat	20 mm	0.13 W/mK	50	D-s2,d0	P4	Heavy-duty structural shear subfloor deck
3	Subfloor Deck (22 mm OSB-3)	22 mm	50 W/mK	Sonsuz	A1	P2	Open-web steel lattice joist spanning up to 9m
4	30 cm Open-Web Lattice Trusses (C90 & C140 Profiles) + MVHR Routing	300 mm	0.040 W/mK	1000	B-s1,d0	P1	MEP ducts integrated through web voids
5	Resilient Ceiling Lining	25 mm	0.25 W/mK	10	A2-s1,d0	P4	Acoustic resilient suspended ceiling system

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Roof Covering (Standing Seam Zinc/Steel or Tile)	25 mm	0.22 W/mK	Sonsuz	A1	P3	Weather-proof titanium-zinc / standing seam metal
2	Ventilation Counter-Battens	50 mm	R=0.20 m²K/W	1.0	A1	P3	Rear ventilation cavity dissipating summer heat
3	Breather Underlay Membrane	0.6 mm	0.22 W/mK	Sd=0.02 m	B-s1,d0	P3	High-performance vapour-permeable underlayment
4	Roof Sheathing (18 mm OSB-3)	18 mm	0.13 W/mK	50	D-s2,d0	P2	Structural roof decking withstanding snow/wind loads
5	CFS Trusses + 200 mm Rockwool	200 mm	0.034 W/mK	1.0	A1	P1/P2	First-tier mineral wool insulation between CFS trusses
6	Cross Battens + 120 mm Cross Rockwool	120 mm	0.034 W/mK	1.0	A1	P2	Cross-laid insulation eliminating truss thermal bridges
7	Smart Vapour & Airtight Membrane	0.5 mm	0.20 W/mK	Sd=0.25-25 m	E	P2	Variable vapour control & airtightness membrane
8	Ceiling Service Zone + Double Gypsum (25 mm)	65 mm	0.25 W/mK	10	A2-s1,d0	P4	Internal service zone protecting airtight layer

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Pedestal Pavers / Decking	30 mm	0.15 W/mK	50	Bfl-s1	P4	Pedestal paver or composite decking system
2	TPO / EPDM Waterproofing Membrane	2 mm	0.25 W/mK	Sd>1500 m	E	P3	Hot-air welded root-resistant TPO membrane
3	Rigid PIR / Rockwool Tapered Insulation	200 mm	0.022 W/mK	60	B-s2,d0	P3	Tapered high-performance insulation directing runoff
4	Foil-Faced Vapour Barrier (Sd > 1500 m)	4 mm	0.20 W/mK	Sd>1500 m	E	P2	Aluminium-foil faced zero-vapour transmission layer
5	CFS Roof Joists + 22 mm OSB Deck	220 mm	0.13 W/mK	50	A1 / D-s2,d0	P1/P2	Load-bearing CFS roof joists and decking

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	Exterior Render & Stop Bead	10 mm	0.75 W/mK	35	A2-s1,d0	P3	Exterior render with plaster stop drip bead
2	Concealed Motorized Raffstore / Venetian Blind Box	130 mm	0.18 W/mK	Sonsuz	A1	P3	Concealed motorized Venetian blind box
3	High-Performance PIR Thermal Backer (λ=0.022)	40 mm	0.022 W/mK	60	B-s2,d0	P3	High-performance PIR thermal bridge shield
4	CFS Double C140 Structural Box Lintel	140 mm	50 W/mK	Sonsuz	A1	P1	Engineered cold-formed steel header / box lintel
5	3-Tier RAL Window Head Sealing Tapes	Standart	0.035 W/mK	Sd=0.05 - 15m	B1 / E	P3	RAL 3-tier airtight & weather-tight sealing tapes
6	Passive House Certified Triple-Glazed Top Frame	88 mm	0.11 W/mK	Sonsuz	B2	P3	Passivhaus certified triple-glazed window frame

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	EWI Facade & Jamb Overlap (30 mm)	120 + 30 mm	0.035 W/mK	1.0	A1	P3	Continuous EWI overlapping window frame by 30mm
2	Structural Bracket Bracket / Subframe Profile	80 mm	0.040 W/mK	30	E	P3	Out-of-stud bracket system placing frame in insulation
3	CFS Structural Jamb Stud (C140)	140 mm	50 W/mK	Sonsuz	A1	P1	Primary vertical CFS jamb stud absorbing wind loads
4	3-Tier RAL Elastic PU Foam & Twin Sealing Tapes	15 - 20 mm derz	0.036 W/mK	Sd=0.03 - 20m	B1 / E	P3	Flexible acoustic & airtight RAL joint seal
5	6-Chamber PVC/Alu Clad Passive House Frame (88 mm)	88 mm	0.11 W/mK	Sonsuz	B2	P3	Passivhaus certified jamb profile (Ψjamb ≤ 0.010)

No	Material & Layer Specification	Thickness	Conductivity (λ)	Vapour / Sd	Fire Class	Delivery Package	Building Physics Function
1	External Aluminium Sill with Drip Edge	2 mm	160 W/mK	Sonsuz	A1	P3	Aluminium sill with 40mm projection & drip edge
2	Sub-Sill Waterproof Drainage Tray	1.5 mm	0.20 W/mK	Sd>500 m	E	P3	Secondary waterproof sub-sill drainage pan/tray
3	High-Strength Thermal Base Profile (Purenit)	50 mm	0.070 W/mK	40	B2	P3	High-load rot-proof Purenit thermal sub-sill block
4	CFS Stud Sill Cripples (C140)	140 mm	50 W/mK	Sonsuz	A1	P1	CFS sill cripple studs supporting window unit
5	Internal Sill Board + Airtight Seal	20 mm	0.15 W/mK	Sd=30 m	A2-s1,d0	P4	Internal sill board with airtight vapour seal

Delivery Package Demarcation Lines:

P1: P1: Structural Light Gauge Steel Frame & Anchors

P2: P2: Frame + Sheathing + Cavity Insulation + Vapour Control

P3: P3: Weather-Tight Shell (Continuous EWI + Windows + Roof Waterproofing)

P4: P4: Internal Service Zone + Screed + Double Lining / Finishes

All cross-sections are engineered to Passive House Institute (PHI) standards, Eurocode 3 cold-formed steel rules and DIN 4108 condensation criteria. Contact our engineering desk for project-specific calculations.

Discuss This Section With Our Engineers

Architectural & Engineering Concept

This architectural concept is recorded as 213 m² with 2 storeys and 5 bedrooms in the source archive. Use code 18-2111 when enquiring. The area basis, room layout and technical specifications are confirmed with site-specific engineering before production and energy adaptation.

Adapt this concept to your site

This design is a proven starting concept. Foundation interface, wall assemblies and insulation layers are engineered specifically for your building plot and target energy benchmark.

Model 18-2111: Building Physics & Technical Targets

Passive House Ready

Structural Skeleton Eurocode 3

Engineering Specification Cold-Formed Steel (CFS) S350GD+Z275

Performance Benchmark Eurocode 3 (EN 1993-1-3) • Seismic & Snow Verified

External Wall Insulation U ≤ 0.14

Engineering Specification Cavity mineral wool + continuous exterior insulation

Performance Benchmark U = 0.11 – 0.14 W/m²K (Thermal bridge free)

Roof & Ceiling Envelope U ≤ 0.11

Engineering Specification Double cross-insulation + EPDM / Zinc roof cover

Performance Benchmark U = 0.08 – 0.11 W/m²K (Thermal barrier)

Windows & Glazing Uw ≤ 0.80

Engineering Specification Triple-pane Low-E argon-filled, warm-edge spacer

Performance Benchmark Ug ≤ 0.60 W/m²K • Uw ≤ 0.80 W/m²K

Airtightness Layer n50 ≤ 0.60

Engineering Specification Humidity-variable vapor check membrane + airtight taping

Performance Benchmark n50 ≤ 0.60 h⁻¹ (Blower Door test target)

Mechanical Ventilation ≥ %85 MVHR

Engineering Specification Heat recovery fresh air ventilation (MVHR)

Performance Benchmark ≥ 85% Thermal Efficiency

Scroll horizontally to view all parameters 6 Structural Components

Component / Layer	Engineering Specification	Performance Benchmark
Structural Skeleton	Cold-Formed Steel (CFS) S350GD+Z275	Eurocode 3 (EN 1993-1-3) • Seismic & Snow Verified
External Wall Insulation	Cavity mineral wool + continuous exterior insulation	U = 0.11 – 0.14 W/m²K (Thermal bridge free)
Roof & Ceiling Envelope	Double cross-insulation + EPDM / Zinc roof cover	U = 0.08 – 0.11 W/m²K (Thermal barrier)
Windows & Glazing	Triple-pane Low-E argon-filled, warm-edge spacer	Ug ≤ 0.60 W/m²K • Uw ≤ 0.80 W/m²K
Airtightness Layer	Humidity-variable vapor check membrane + airtight taping	n50 ≤ 0.60 h⁻¹ (Blower Door test target)
Mechanical Ventilation	Heat recovery fresh air ventilation (MVHR)	≥ 85% Thermal Efficiency

Project Execution Steps for Model 18-2111

STEP 01

Site Adaptation

Engineering verification for soil bearing, snow/wind loads and local zoning.

STEP 02

CNC Fabrication

Precision roll-forming of S350GD galvanized steel with zero on-site material waste.

STEP 03

Flat-Pack Delivery

Compact container/truck dispatch with certified export documentation directly to site.

STEP 04

Frame Erection

Rapid bolted assembly in 5-10 days under SerVilla engineering supervision.

STEP 05

Envelope & Testing

Continuous thermal wrap, airtight taping and mandatory Blower Door validation.

4 Delivery Packages & Budget Allocation for Model 18-2111

Select your preferred procurement level from structural frame kit to weather-tight or complete turnkey package.

213 m² Footprint

P3 - Weather-Tight Shell

P3 Weather-Tight Envelope Package

Galvanized CFS frame, continuous exterior rockwool EIFS, roof waterproofing and certified triple-glazed windows ready for Blower Door test.

Est. Investment Band

~125.670 – 166.140 €

(590 – 780 €/m²)

Included in Package

Cold-formed S350GD galvanized steel frame
140mm mineral wool cavity insulation
Continuous exterior mineral wool wrap (U <= 0.12)
Triple-glazed Argon windows (Uw <= 0.80)
Airtight membrane & sealing system

Local Contractor Scope

Foundation slab & ground engineering
Local planning permits & fees
Interior decorative finishes

Calculate for Your Site Discuss Model 18-2111 P3 on WhatsApp

Energy Efficiency & ROI

Annual Energy Savings & ROI Benchmark for Model 18-2111

Annual Energy Reduction

%88

Model 18-2111 (213 m²) requires only <= 15 kWh/m²a heating/cooling demand compared to 120 kWh/m²a for standard concrete masonry. The thermal-bridge-free steel envelope delivers thousands of Euros in direct annual energy savings:

Annual Cost Savings

~6.262 € / year

~22.365 kWh/year saved

20-Year Cumulative Savings

~125.240 €

Net energy capital preservation

Annual CO₂ Offset

~4.9 Tons / yr

Zero-carbon footprint contribution

Standard & Country Compliance for Model 18-2111

51 Countries & 18 Standards

Model 18-2111 can be factory-engineered to comply with 18 European energy standards (including KfW 40, Minergie, RE2020, BENG and Passive House) with tailored insulation thickness. Structural statics are calculated per Eurocode for site-specific snow, wind and seismic loads across 51 European countries.

Model 18-2111 can be structurally optimized according to Eurocode 3 for site-specific wind, snow, and seismic actions across 51 European countries.

18 Energy Standards 51 Countries Directory Municipal Load Directory

Consult Our Structural Engineers on Model 18-2111

Share your project location and desired package. Our engineering team prepares a preliminary feasibility including structural adaptation and transport.

Ask via WhatsApp

Transparency & Certification Note: Designs displayed on Passive Steel Homes represent architectural starting points. Official certification is issued only upon project-specific energy calculations, local climate simulation and on-site Blower Door verification.

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Frequently Asked Questions

Essential answers regarding steel construction, energy targets and project delivery.

Can any model in the catalog be adapted to Passive House standards?

Yes. Any architectural model can be engineered with continuous exterior insulation, thermal-break steel profiles, triple-glazed certified windows, and airtight membranes to meet Passive House or low-energy benchmarks.

Are room layouts and dimensions customizable?

Absolutely. Light gauge steel framing provides complete architectural freedom. Interior partitions can be adjusted without compromising structural stability.

How are gross and net floor areas calculated?

Floor areas in our models represent preliminary architectural footprints. Detailed gross and net internal floor area schedules are finalized during project engineering.

What packages can I choose for these models?

You can select from four defined packages: P1 Structural Frame, P2 Frame + Insulation, P3 Weather-Tight Shell, or P4 Complete Construction Package.

How do I start planning my chosen model?

Select your preferred model, choose your target country and delivery package, and click Request Quote. Your inquiry will generate a pre-formatted message for direct WhatsApp discussion.

Request a Project Quote

Prepare your project brief and connect directly with the SerVilla engineering team via WhatsApp.

Your Name *

Phone / WhatsApp *

Destination Country *

Model or Custom

Delivery Package

Target Energy Standard

Project Details & Requirements

Direct connection with SerVilla engineering desk.

ℹ️ How it works: Clicking opens a pre-composed project brief in WhatsApp. You review and send it yourself. No payment or financial data is collected.

Passive Steel Homes — by SerVilla

Model 18-2111 — 213 m², 2 storeys

Material Takeoff & Construction Metrics for Model 18-2111

Floor Plan & Architectural Layout for Model 18-2111

Energy Standard & Cost Savings Simulator for Model 18-2111

Model 18-2111: SerVilla CFS Steel vs. Traditional Concrete

Architectural Sections & Layer Anatomy for Model 18-2111

Interactive Architectural Sections & Junction Details

Exterior Wall 1: Rendered Insulation (EIFS / ETICS)

Physical Layer Breakdown & Material Specification

Exterior Wall 2: Ventilated Timber/Composite Rainscreen

Physical Layer Breakdown & Material Specification

Exterior Wall 3: Brick Slip & Stone Ventilated Facade

Physical Layer Breakdown & Material Specification

Exterior Wall 4: Twin-Stud Super-Insulated Wall

Physical Layer Breakdown & Material Specification

Interior Wall 1: Standard Partition Wall (Room Divider)

Physical Layer Breakdown & Material Specification

Interior Wall 2: Double-Stud Acoustic Party Wall

Physical Layer Breakdown & Material Specification

Interior Wall 3: Wet Room & Bathroom Wall (Aquapanel + Tanking)

Physical Layer Breakdown & Material Specification

Floor 1: Wet Screed & Underfloor Heated Acoustic Floor

Physical Layer Breakdown & Material Specification

Floor 2: Dry Screed Lightweight Acoustic Floor (Fermacell)

Physical Layer Breakdown & Material Specification

Floor 3: Wet-Room & Bathroom Acoustic Floor Assembly

Physical Layer Breakdown & Material Specification

Floor 4: 30 cm Open-Web Lattice Truss Floor Engineered with C90 & C140 Profiles

Physical Layer Breakdown & Material Specification

Roof 1: Ventilated Pitched Passive Roof

Physical Layer Breakdown & Material Specification

Roof 2: Flat Terrace Passive Roof & Parapet Junction

Physical Layer Breakdown & Material Specification

Window Detail A: Head & Concealed Blind Box

Physical Layer Breakdown & Material Specification

Window Detail B: Jamb & Bracket Installation

Physical Layer Breakdown & Material Specification

Window Detail C: Sill & Sub-Sill Drainage Trough

Physical Layer Breakdown & Material Specification

Architectural & Engineering Concept

Adapt this concept to your site

Model 18-2111: Building Physics & Technical Targets

Project Execution Steps for Model 18-2111

4 Delivery Packages & Budget Allocation for Model 18-2111

P3 Weather-Tight Envelope Package

Annual Energy Savings & ROI Benchmark for Model 18-2111

Standard & Country Compliance for Model 18-2111

Consult Our Structural Engineers on Model 18-2111

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Model 25-1003 • 99 m²

Model 25-1004 • 114 m²

Model 25-1005 • 135 m²

Frequently Asked Questions

Request a Project Quote