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When walls get wet, their thermal resistance lowers and valuable heat escapes. You can protect your home from penetrating damp and increase the thermal efficiency of masonry with DryWall Thermotek. It has a unique white cream formulation, which turns colourless once dried. A single coat application of DryWall Thermotek will protect brick, stone and concrete from rain penetration for up to 10 years, whilst allowing the masonry to breathe and retain its original looks and features within 48 hours.
When walls get wet, their thermal resistance lowers and valuable heat escapes. They become less efficient at keeping heat in, increasing your energy bills and carbon footprint. The UK government has set a target of an 80% reduction in carbon emissions from buildings by 2050 (Climate Change Act, 2008). Even now, a third of Britain’s housing stock has solid wall construction and this is predominantly single skin brick or stone (English House Condition Survey, 2007). These types of walls are difficult to insulate conventionally because:
DryWall Thermotek is a colourless, breathable, water-repellent treatment for brick, concrete and stone walls. It comes in the form of a deeply penetrating cream that is applied to the wall surface using a roller or brush. Once DryWall Thermotek has been applied to the wall surface, it permeates deeply before drying to form an insulating, water-repellent barrier. Once cured the application will prevent the absorption of water retaining the original efficiency of a wall - saving energy that would have been lost through a thermally inefficient wet wall.
Improving the thermal resistance of walls through the use of conventional insulation is not always practical. Many properties in the UK are built using single-skin walls, making them unsuitable for cavity wall insulation. The installation of internal insulation can be disruptive and takes up valuable living space whilst externally applied insulation is often unattractive.
It is widely documented that porous masonry materials such as brick, stone, concrete, and mortar are worse insulators when they are wet. By preventing the absorption of water, DryWall Thermotek ensures that the insulation properties of the masonry are maximised.
Tests carried out showed that energy savings of up to 27% are possible when DryWall Thermotek is used on single skin walls, due to reductions in thermal conductivity. When the effects of reduction in evaporative cooling are taken into account, total energy savings of up to 29% are possible.