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Image of a pack of warmcel 100Technical data

Warmcel technical datasheet - download pdf

Warmcel installation video

Environmental data

U values

Warmcel has insulation properties which are equivalent to mineral fibre insulation. You will need the approximate following thicknesses to achieve these U values.

U = 0.25 W2K @ 125 mm deep

U = 0.16 W/m2K @ 225 mm deep

The current Building Regulations target U value for a loft ceiling is 0.16 W/m2K

How much do I need?

We recommend insulating your loft to a total thickness of 300mm (building regulations require 250mm), however you are of course free to insulate to whatever thickness you choose. Use the chart below to decide how much you need.

One bag weighs 8kg, and contains 0.25 m3.

Thickness 1 bags covers No of bags for 1 m2
100mm 2.50 m2 0.4
150mm
1.66m2
0.6
200mm
1.25m2
0.8
225mm
1.10m2
0.9






A loft of 50 m2, with 225 mm insulation would need 50/1.10 = 46 bags (rounded up)

A loft of 80 m2, with 150 mm top up insulation would need 80/1.66 = 49 bags (rounded up)


Fire resistance

Warmcel is extremely resistant to fire through the addition of simple inorganic salts and meets the Fire Performamce requirements of BS5803 Part 4:1985.

Quality assured

Excel Industries is registered by BBA Quality Assurance as a firm of assessed capability to manufacture cellulose fibre thermal insulation in accordance with BS EN ISO 9001:2000.
Warmcel also conforms to the requirements of BS5803:1985 Part 3 'Thermal Insulation for Use in Pitched Roof Spaces in Dwellings".

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