3
votes
1answer
293 views

How can I accurately measure the angle of my walls?

I have a lot of walls that slant inward. To measure the angles at which they slant inwards, I used an app that looks like: Was this the correct tool? Assuming it was, do I need to make sure I get ...
2
votes
4answers
1k views

How can I measure the r-value of a wall?

What is a reproducible test to measure the r-value of an exterior wall? Or even a specific spot on a specific wall? It needn't produce an absolutely certain result, but a good estimate with known ...