Roof Insulation

The choice of board you will use to insulate your roof/ceiling, is normally driven by the the U value that you are required to achieve . At a U value of 0.2 this equates to thickness if in excess of 120mm of PIR insulation board. This is normally achieved by placing a thickness say 80-100mm between the joists and the rest under laying the joists. The benefit of this is that it reduces, by insulating; the cold bridging that will occur from the cold timbers of the joists.

If you are insulating a cold roof, care needs to be taken to ensure that there is a gap between the insulation and roof felt to avoid the possibility of cold bridging and condensation.


Kingspan TP10, TW55 and TF70 (all the same insulation board) are high-performance, rigid PIR panels with a thermal conductivity of conductivity 0.022 W/mK. They are an ideal home insulation product for use as wall insulation, floor insulation, and pitched rooves and ceilings, and are the equivalent of Celotex's GA4000 range.

Product Name Size Unit Price Qty. Sub Total
  £0.00
 

Celotex GA4000 PIR Boards

Celotex GA4000 range (previously GA3000) is a multi-purpose PIR insulation board, and is the equivalent of Kingspan's TP10/TF70/TW55 range. It is ideal for floor, walls, and pitched rooves and ceilings. It has a thermal conductivity of 0.022W/mK.

Product Name Size Unit Price Qty. Sub Total
 Celotex 12mm Foil Backed PIR Boards TB4012 (No Longer Available)
2400mm x 1200mm £0.00 £0.00
 Celotex 25mm Foil Backed PIR Boards TB4025
2400mm x 1200mm £17.39 £0.00
 Celotex 30mm Foil Backed PIR Boards TB4030
2400mm x 1200mm £22.85 £0.00
 Celotex 40mm Foil Backed PIR Boards TB4040
2400mm x 1200mm £26.54 £0.00
 Celotex 50mm Foil Backed PIR Boards GA4050
2400mm x 1200mm £25.27 £0.00
 Celotex 60mm Foil Backed PIR Boards GA4060
2400mm x 1200mm £38.58 £0.00
 Celotex 70mm Foil Backed PIR Boards GA4070
2400mm x 1200mm £44.80 £0.00
 Celotex 75mm Foil Backed PIR Boards GA4075
2400mm x 1200mm £38.45 £0.00
 Celotex 80mm Foil Backed PIR Boards GA4080
2400mm x 1200mm £50.93 £0.00
 Celotex 90mm Foil Backed PIR Boards GA4090
2400mm x 1200mm £56.31 £0.00
 Celotex 100mm Foil Backed PIR Boards GA4100
2400mm x 1200mm £47.48 £0.00
 Celotex 120mm Foil Backed PIR Boards XR4120
2400mm x 1200mm £56.00 £0.00
 Celotex 130mm Foil Backed PIR Boards XR4130
2400mm x 1200mm £72.85 £0.00
 Celotex 140mm Foil Backed PIR Boards XR4140
2400mm x 1200mm £64.94 £0.00
 Celotex 150mm Foil Backed PIR Boards XR4150
2400mm x 1200mm £68.39 £0.00
  £0.00
 

Celotex PL4000 Insulated Plasterboard

Celotex PL4000 is a PIR thermal insulation board bonded to tapered edge plasterboard.
Product Name Size Unit Price Qty. Sub Total
 Celotex PL4025 25mm Insulation+12.5mm Plasterboard
2400mm x 1200mm £47.08 £0.00
 Celotex PL4040 40mm Insualtion+12.5mm Plasterboard
2400mm x 1200mm £55.70 £0.00
 Celotex PL4050 50mm Insualtion+12.5mm Plasterboard
2400mm x 1200mm £58.85 £0.00
 Celotex PL4060 60mm Insualtion+12.5mm Plasterboard
2400mm x 1200mm £71.02 £0.00
  £0.00
 

Kingspan TR26 Flat Roof Boards

Product Name Size Unit Price Qty. Sub Total
Kingspan TR26 25mm x 1200mm x 2400mm Price per board(12pp)- Usually pack sizes only
1200mmx 2400mm £23.83 £0.00
Kingspan TR26 50mm x 1200mm x 2400mm Price per board (6pp)- Usually pack sizes only
1200mmx 2400mm £36.01 £0.00
Kingspan TR26 60mm x 1200mm x 2400mm Price per board (5pp)- Usually pack sizes only
1200mmx 2400mm £44.28 £0.00
Kingspan TR26 80mm x 1200mm x 2400mm price per board (4pp)- Usually pack sizes only
1200mmx 2400mm £56.72 £0.00
Kingspan TR26 90mm x 1200mm x 2400mm Price per board (3pp)- Usually pack sizes only
1200mmx 2400mm £67.71 £0.00
Kingspan TR26 100mm x 1200mm x 2400mm Price per board (3pp)- Usually pack sizes only
1200mmx 2400mm £68.66 £0.00
Kingspan TR26 120mm x 1200mm x 2400mm Price per board (2pp)- Usually pack sizes only
1200mmx 2400mm £86.96 £0.00
Kingspan TR26 140mm x 1200mm x 2400mm Price per board (2pp)- Usually pack sizes only
1200mmx 2400mm £103.21 £0.00
Kingspan TR26 70mm x 1200mm x 2400mm price per board (4pp)- Usually pack sizes only
1200mmx 2400mm £48.14 £0.00
  £0.00
 

Kingspan K107 Pitched Roof Boards


Product Name Size Unit Price Qty. Sub Total
 Kingspan K107 50mm Pitched Roof Board price per board (normally available in packs of 6 only, no returns possible)
2400mm x 1200mm £54.18 £0.00
 Kingspan K107 100mm Pitched Roof Board price per board (normally available in packs of 3 only, no returns possible)
2400mm x 1200mm £100.39 £0.00
  £0.00
 
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