Flat Roof Soffit Overhang

Soffits a soffit encloses the underside of sloped or flat roof overhangs.

Flat roof soffit overhang. Proceed with extreme caution when using a flat soffit. Add up the total of all overhangs and divide the total by 100 to determine the number of squares. In hot climates the general rule of thumb is to lengthen and extend the overhang. The default in eave design is a flat soffit.

When you do use a flat soffit make sure to include a raised heel on the truss. And once water has seeped in the rot spreads quickly because the wood stays soggy inside the dark dank space. Metal panels untreated wood panels and vinyl attic vents figure 1. Closed eaves with flat soffit and raised heel.

Soffits are commonly constructed from fiber cement panels metal panels stucco vinyl panels or wood sheathing. The exposed timber rafters and decking are susceptible to ignition and. The goal is to balance the amount of solar heat gain and amount of shading. The length of the overhang depends primarily on the climate.

Most homes these days have boxed soffits but i find that a bit of creativity at the roof edge goes a long way toward style. Soffited eaves and gable overhangs are susceptible to water damage caused by ice dams improper flashing torn shingles and faulty gutters. For instance i think that in heavy snow country large overhangs can lead to ice dams forming on the overhangs snow melting. This video will.

To determine the number of squares of soffit required measure the under eave areas and multiply the length by the width for each overhang. The siding underneath the overhang is known as the soffit. See below i need to acknowledge there are some good reasons in some places to not have a large overhang. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction.

Overhangs are common in most house designs providing protection against both wind and rain. Even if most people don t register what it is that makes a home seem special using a sloped soffit is an easy way to make a home look old or built with more craftsmanship than typical new homes. Closed eaves with flat soffit and no raised heel.