Double Brick Wall Insulation

Generally speaking there are 3 ways in which brick walls can be insulated.

Double brick wall insulation.

Spray polyurethane foam insulation is the recommended insulation material to use on the interior of a multi wythe brick wall subject to the caveats listed in this article. This product is installed by drilling holes in the wall between the bricks and pumping the insulation into the existing wall cavity. An insulated double brick wall will perform better in winter because heat stored in the inner layer of brick will not be lost to the outside once the wall is filled with bradford cavity wall insulation. The r rating thermal resistance of a double brick wall is r0 45 compared with r0 4 for brick veneer.

To understand these names a quick lesson in brick wall construction will suffice. Very old brick homes often have no space to add insulation as the plaster was applied directly to the brick wall. Outer walls may be 4 inch thick bricks with inner walls of concrete brick or cinder block that is also 4 inches thick. Foilboard insulation systems is one of the leading australian owned insulation manufacturers and suppliers of energy saving sustainable building insulation products.

Older brick homes constructed in times when energy costs were low were not built to accommodate insulation. The reverse is true in summer. The sentence my concern is that spray on insulation will prevent the masonry wall from properly breathing thus trapping moisture in the wall and causing efflorescence. If you need any technical advice or would just like to find out more about the foilboard insulation panel please call 1800 354 717.

Cavity wall double brick insulation is a blow in insulation currently used in over 5 million homes in the uk for increasing the thermal performance of existing homes and will also work effectively in australian homes. These can simply be summed up as either external wall insulation internal wall insulation or the third being insulation between double brick wall layers. Brick walls can go by many names including solid masonry solid brick double brick and brick and block. Each option has its own distinct benefits but it is advisable to speak to an expert before making a decision.

If furring strips were nailed to the inner masonry there is only a narrow 3 4 inch space to add insulation. Insulation tips for double brick walls select the right insulation the most effective option for insulating double brick walls is to use a pump in loose fill wall insulation.