New Build Cavity Wall Insulation
Cavity wall insulation new build the biggest decision to be made with a new home is the level of insulation you will require.
New build cavity wall insulation. R values can be higher for foam insulation and other advanced insulation systems. Cavity wall insulation for new builds pumped cavity wall insulation is one of the most popular methods of wall insulation for new build constructions. This is a vast improvement over the required 0 27. Cavity fibrous or cellulose insulation can be installed at levels up to r 15 in a 2 inch x 4 inch wall and up to r 21 in a 2 inch x 6 inch wall.
You could achieve this within a 300mm build up with 100mm lightweight blocks and 100mm of cavity therm insulation. All currently required u values can easily be achieved. We advise a 150mm cavity width fully filled with envirobead plus platinum bonded bead giving a u value of 0 20. Insulation can be applied directly to the wall or in a new typically timber stud wall set off from the existing wall.
The pump method offers great flexibility as any size cavity constructed can be filled ranging from 80mm to 300mm and more.