On Feb 28, 12:41�pm, wrote:
dpb wrote:
... unless they quoted a different insulation material the R values should
be directly proportional to the installed thickness within roundoff.

Perhaps both include the fixed cost of showing up.

Nick

expandiong foam is far better as it expands it seals air leaks that
make up much energy loss.

fiberglass cant seal holes

the foam will seal the air leaks around wiring boxes