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65mm Knauf DriTherm 37 Standard Cavity Wall Insulation Slabs 1200x455 (pack of 10)

65mm Knauf DriTherm 37 Standard Cavity Wall Insulation Slabs 1200x455 (pack of 10)

DriTherm 37 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.037 W/mK

Price: £ 25.00
(£30.00 inc VAT)

30mm Rockwool Rockfloor Insulation Slab 1000x600 (pack of 2)

30mm Rockwool Rockfloor Insulation Slab 1000x600 (pack of 2)

Rockwool Rockfloor offers dual density thermal insulation for ground floors and acoustic insulation for separating floors.

Price: £ 22.26
(£26.71 inc VAT)

116mm Celotex TD4000 Flat Roof Insulation 2400x1200

116mm Celotex TD4000 Flat Roof Insulation 2400x1200

Celotex TD4000 provides a quick and easy method of achieving effective thermal insulation in light traffic, ventilated, lead covered, warm flat roof applications - includes 5.5mm WBP plywood. Thermal conductivity – 0.022W/mK

Price: £ 96.48
(£115.78 inc VAT)

InsulationCart.com - Knowledge Centre

Knowledge Centre > U-value Calculations

knowledge

Online U-value calculator

If you need to conduct U-value calculations this Online U-value calculator will help you choose the right thickness of insulation required to meet specified by the Building Regulations U-values and achieve optimum thermal performance for your setting/application.

knowledge

What is a U-Value and how to calculate it

A U value is a measure of heat loss in a building element such as a wall, floor or roof. It can also be referred to as an ‘overall heat transfer co-efficient’ and measures how well parts of a building transfer heat. This means that the higher the U value the worse the thermal...