New Cavity Wall Insulation

The pump method offers great flexibility as any size cavity constructed can be filled ranging from 80mm to 300mm and more.

New cavity wall insulation. The insulation which can be wool foam or beads is injected into the cavity between the exterior brick wall and. Find a cavity wall insulation specialist near you. In cases where insulation is placed on an interior wall the minimum 2 inch 50 mm airspace should still be maintained in the cavity. Cavity wall insulation is meant to make homes warmer and cut energy bills.

So if your house was built between 1920 and 1980 there is a good chance that you have empty cavity walls. It s like the mineral quilt insulation used in lofts but broken up into small tufts so it can be blown into the walls. Mineral wool is used most often. Pumped cavity wall insulation is one of the most popular methods of wall insulation for new build constructions.

There are multiple benefits to this type of work but it s complex work that should only be carried out by a registered professional. Masonry ties and anchors because cavity walls are comprised of two separate wythes of masonry they need to be bridged structurally as a unit. Cavity wall insulation involves injecting materials such as mineral wool or polystyrene beads through holes drilled on the outside walls and is carried out to help property owners remain warm. They should all be manufactured to british standards.

At the same time authorities and experts began to push cavity wall insulation for new homes and also as a solution for older. In areas of very severe exposure in england and wales a residual cavity of 75mm is required where the outer leaf is fairfaced masonry. Cavity wall insulation is used to reduce heat loss through a cavity wall by filling the air space with material that inhibits heat transfer. To find out the average cost of cavity wall insulation in your area simply fill out the form at the top of this page and we ll find you 3 4 specialists.

A 50mm clear cavity between the partial cavity insulation and the outer leaf should be maintained wall ties long enough to allow a 50mm embedment in each masonry leaf should be used. The benefits of cavity wall insulation really came to the fore in the 1980s. This was standard practice up until the mid 1980s when building regulations stated that all new houses had to be built with insulation material inside the walls. During that decade the uk government introduced new building regulations which stated insulation had to be installed in all new builds.

All currently required u values can easily be achieved.