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The shop is temporarily closed for new orders but telephone lines are open. Our staff was in hospital COVID-19 which caused us some delays. We will reopen as soon as possible and if you have any queries you can give us a call and we will answer your questions 02033978908.

Insulation Cart Team

Special offers

100mm Isover CWS 32 Cavity Wall Insulation Batts 1200x455 (pack of 6)

100mm Isover CWS 32 Cavity Wall Insulation Batts 1200x455 (pack of 6)

CWS 32 are silicone impregnated glass mineral wool slabs providing high levels of thermal insulation in masonry cavity walls. CWS 32 is designed to fully fill the cavity between two masonry leaves in external walls. Thermal Conductivity - 0.032 W/mK.

Price: £ 34.15
(£40.98 inc VAT)

70mm Rockwool Rockfloor Insulation Slab 1000x600 (pack of 2)

70mm Rockwool Rockfloor Insulation Slab 1000x600 (pack of 2)

Rockwool Rockfloor offers dual density thermal insulation for ground floors and acoustic insulation for separating floors. Thermal Conductivity - 0.038 W/mK.

Price: £ 60.97
(£73.16 inc VAT)

Reflective Foil Insulation Low - E (40m2)

Reflective Foil Insulation Low - E (40m2)

Low-E multi-foil insulation is a revolutionary product that can be used in all facets of the building reflecting up to 97% radiant energy while providing a full vapour barrier keeping the house warm in winter and cool in summer.

Price: £ 234.95
(£281.94 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...