Description
SIPs Extension Room Kit
A warm, quick-to-build Extension room, made to your size in our Herefordshire workshop and dry-fitted before it leaves us. Walls and roof are certified SIPs panels: OSB3 boards with a PUR insulation core, bonded as one strong piece.
What’s included
- 147mm PUR SIPs wall panels
- 172mm PUR SIPs roof panels
- Structural timber, splines and beams
- Glue, foam and structural screws
- Drawing pack and structural calculations
- Installation instructions, with support from us
- Declarations of Performance and compliance documents
Not included: foundations, windows, doors and finishes.
Performance Walls: U-value 0.18 W/m²K. Roof: U-value 0.15 W/m²K. In plain English: a U-value shows how much heat escapes through a wall or roof, so lower is better.
Made by a certified UK manufacturer: CATG SIP Mark, STA Gold and ISO 9001.
Send us your dimensions and we’ll help you work out the right kit.
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