
What Affects the R-Value of a Building?
This is part two of our posts on R-value. Read the first post to get a definition of R-value and find out what it means to you. Doors and Windows As much as we love, and need, doors and windows, they are not good for a building’s insulation value. Doors open and close, allowing air to move freely inside and out. Additionally, it can be tough to completely seal the gap around a door, causing even more air leakage when…