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Prefabrication

Streamlining construction with high-performance, pre-assembled timber panels, crafted off-site for maximum efficiency.

External Wall Type 01 -  SCThermXL

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Specification

Our high-performance prefabricated wall system features a multi-layered composition designed to maximize thermal, acoustic, and fire resistance.

​​Uw = 0.10 W/(m²K)
Rw = 54 dB
REI = 60 min
Width = 356 mm
​​
This advanced wall system delivers unmatched performance for residential and commercial applications, combining precision-engineered materials to meet modern energy, sound, and safety standards.

Designed and manufactured in our factory with meticulous attention to detail, our external wall panels are versatile enough to suit any architectural style. Delivered fully finished, these panels simplify on-site assembly while maintaining exceptional quality.

Key Features

  • Customizable Design: Tailored to accommodate any architectural vision, from classic to contemporary.

  • Factory-Fitted Cladding: Pre-installed external finishes, including brick slips, timber, or render, as per project requirements.

  • Integrated Electrical Services: Pre-installed conduits and service voids for quick utility installation.

  • High-Performance Insulation: Superior thermal and acoustic performance with factory-fitted insulation.

  • Pre-Installed Windows and Doors: Panels come with integrated windows and doors for hassle-free assembly.

  • Exceptional U-Value Performance: External walls achieve U-values as low as 0.10 W/m²K, ensuring outstanding energy efficiency.​

 

Our wall system is designed to meet British and European Standards, comply with Building Regulations and the Structural Timber Association Pattern Book for Fire Safety. This ensures quality, compliance, and safety across all projects.

Timber Frame Black Sheep Homes

To ensure our walls are the best they can be, we only work with the highest quality materials, from brands such as: 

Hasslacher
Fermacell
Rigi
Rockwool
Egger
Insulation
Knauf

Typical External Wall Build-Up

  1. External Cladding - Bricks 4 mm

  2. Breather Membrane

  3. EPS Foam Insulation: 100 mm

  4. OSB 3 Board: 12 mm

  5. Mineral Wool Insulation: 200 mm

  6. OSB 3 Board: 12 mm

  7. PE Foil Vapour Barrier: 0.25 mm

  8. Mineral Wool Insulation: 40 mm

  9. OSB 3 Board: 12 mm

  10. Gypsum Fibreboard: 12.5 mm​​​​​​

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