If your roof gets a decent amount of snow on it make sure it s not melting in specific spots.
If snow stays on roof does that mean good insulation.
If your attic insulation is good the snow will stay on for a long while and actually will add insulation to the roof since snow is an insulator.
This house is good news and bad news.
According to one anecdotal source a snowfall that measures about 0 07 inches in density or seven percent water volume has about the same insulation value as a standard batt of fiberglass insulation with an r value of 18.
The best snowstorm for these observations will.
Many homeowners report that their homes feel warmer after a good snow as long as there s enough insulation in the attic floor to keep that heat inside and the snow on the roof.