Andrew Legge, CEO of Havelock Wool, a company that produces natural, sustainable building insulation made from wool, explains that a thin wall has a maximum thickness of 4.5 inches. It is typically ...

You can search for a reliable local trader using our search tool below. Cavity wall insulation is injected through the outer wall of your home into the space between the inner and outer leaves of ...

Insulating hollow walls Slow rise spray foam is made to be injected into unobstructed wall cavities where it expands slowly ...