Good And Bad About Hot Roofs

The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere.

Good and bad about hot roofs.

Sadly this is also one of the most common places to find poor workmanship. Additionally conditioned attics are great for storing stuff and there s no concern about extreme temperatures. A hot roof contains the highest r value because there are no chances for air to leak. Hot roofs can create a stack effect this is because the attic space will be under positive pressure and this can the lower living space of the home to be under negative pressure which forces outside air into the home through any holes in the building envelope such as through leaky windows or underneath doors.

The good and the bad flat roofs are usually found on commercial buildings rather than residential buildings but this does not mean you cannot have a flat roof constructed on your home. The wind which blows over your roof will help to draw the hot moist air out of your attic when roof ridge vents are installed correctly. This happens because of the change in air pressure. The good news is that you don t have to be an expert to spot a bad roofing job.

If the attic contains duct work it won t need to be insulated because there is no energy loss. A badly built or repaired roof can lead to numerous problems in the future including further roof work and structural damage due to leaks. Roofing insulation reviews. With a hot roof you re not digging through insulation to find wires and junction boxes pipes won t freeze and burst and the air flowing through ductwork will stay the right temperature.