Energy efficient retrofits / Discussions

How do you insulate a 70s home with 2x4 walls that has fiber glass insulation?

What is the best way to insulate from the outside? Rock wool? How costly of a project is this? Here is an article that will give you a starting place about tea...

Posted by Mark Aussenegg Nov. 26, 2018, 6:49 p.m. Wall assemblies - renovation 1 Responses

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

...efficient of expansion and the expansion of the siding over the EPS insulation (same goes for XPS) can cause a squeaking noise that can be heard through the wal...

Posted by Roger Smith Nov. 12, 2019, 6:34 a.m. Wall assemblies - renovation 7 Responses