Main structure – Walls, Roof, Floor and Insulation

Structural Insulated Panels (SIPs)

Structural insulated panels (SIPs) are a high performance building system for residential and commercial construction. The panels consist of an insulating polyurethane foam core sandwiched between two structural oriented strand board (OSB) panels. 

The result is a building system that is extremely strong, energy efficient, cost effective and offers superior insulation performance versus traditional timber framed buildings because there is a significant reduction in “cold-bridging”.

The insulation performance of the SIPs panels is close to that required to meet building regulations for new build homes.  U-Values of 0.27-0.3 W/m2 are achieved by the SIPs panels before the additional layers are added.

Floor

The floor construction consists of a 100mm SIPs panel as the base structure providing a strong and thermal efficient foundation.

As standard we offer a high quality 12mm laminate flooring in a choice of colours which is laid upon a layer of underlay.  Other flooring materials are also available including engineered wood, real wood, carpet and rubber flooring for gym rooms.

Roof

The roof is fitted with a single EPDM membrane.  This is a single ply roofing membrane that offers excellent durability and has a life expectancy of 50 years.  It is an inert material with limited environmental impact, offering unmatched resistance to ozone, UV radiation and high or low temperatures.

7 Layer Walls

Our 7 layer wall systems are ideal for creating a comfortable space suitable for all round use.  The layers (plus 2 air gaps) are:

  • Interior finish, typically melamine faced board with a soft-white sheen
  • Air gap (to enable us to hide electrical wiring)
  • Vapour membrane 
  • 3 layer SIPs panels including 72 mm of foam insulation
  • Breather membrance that allows 1 way escape of moisture and prevents ingress
  • Air gap
  • External cladding

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