Roof Parts Glossary

Horizontal line at the top of the roof.

Roof parts glossary.

Water worn gravel or marble chips used for surfacing and or ballasting a roof system. To fill a joint with mastic or asphalt cement to prevent leaks. The portion of the roof projecting out from the side walls of the house. The ridge is the peak where two sloped roof sections meet.

A mineral surfaced material that is used by itself or as the top layer of multi layer rolled roof covering system. Sheathings are panels that envelope the rafters. The v cut angle along the junction of two slopes of a roof. Below are some commonly used terms that identify parts of a roof and types of roofing.

This can also be a conditioned space. See asphalt roof cement. Fascia the vertical board secured to the ends of the rafters under the lower end of the roof to which the guttering is normally fixed traditionally timber nowadays usually upvc. Other parts of the roof are nailed to this later.

Class a fire resistance. Hip roof is a type of roof containing sloping planes on each side. A structure located behind the higher side of a chimney or similar projections from the roof to divert rainwater around it. This layer covers the rafters and is beneath the shingles and membrane layers.

Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. Roofing glossary of terms a list of all common roofing terms and words with detailed definitions and explanations for each. Eaves the area just below the lower end of the roof includes the fascia soffit and guttering. A line made on the roof by snapping a taut string or cord dusted with chalk used for alignment purposes.

Dormer a vertical window built into the slope of a pitched roof. Other components such as metal panels or shingles are attached to the sheathing later. Hot roof is a completely sealed not vented attic the entire interior of which is often sprayed with closed cell urethane foam insulation. The effect on materials that are exposed to an environment for an interval of time.