Roof Parts Glossary

The effect on materials that are exposed to an environment for an interval of time.

Roof parts glossary.

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. Horizontal line at the top of the roof. This layer covers the rafters and is beneath the shingles and membrane layers. Sheathings are panels that envelope the rafters.

A line made on the roof by snapping a taut string or cord dusted with chalk used for alignment purposes. Hot roof is a completely sealed not vented attic the entire interior of which is often sprayed with closed cell urethane foam insulation. This can also be a conditioned space. Eaves the area just below the lower end of the roof includes the fascia soffit and guttering.

Class a fire resistance. A mineral surfaced material that is used by itself or as the top layer of multi layer rolled roof covering system. Other components such as metal panels or shingles are attached to the sheathing later. Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof.

A low slope or flat seeming roof covered with alternating layers of roofing felt and hot mapped asphalt and topped off with a layer of gravel. The ridge is the peak where two sloped roof sections meet. Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. Roofing glossary of terms a list of all common roofing terms and words with detailed definitions and explanations for each.

Hip roof is a type of roof containing sloping planes on each side. Sheathing is a layer used as the base of the roof. See asphalt roof cement. To fill a joint with mastic or asphalt cement to prevent leaks.

Below are some commonly used terms that identify parts of a roof and types of roofing. The portion of the roof projecting out from the side walls of the house. Other parts of the roof are nailed to this later. Dormer a vertical window built into the slope of a pitched roof.