The effect on materials that are exposed to an environment for an interval of time.
Roof parts glossary.
Hot roof is a completely sealed not vented attic the entire interior of which is often sprayed with closed cell urethane foam insulation.
See asphalt roof cement.
Horizontal line at the top of the roof.
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.
A mineral surfaced material that is used by itself or as the top layer of multi layer rolled roof covering system.
Roofing glossary of terms a list of all common roofing terms and words with detailed definitions and explanations for each.
Dormer a vertical window built into the slope of a pitched roof.
Sheathings are panels that envelope the rafters.
The portion of the roof projecting out from the side walls of the house.
Class a fire resistance.
This can also be a conditioned space.
A line made on the roof by snapping a taut string or cord dusted with chalk used for alignment purposes.
Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof.
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 v cut angle along the junction of two slopes of a roof.
Sheathing is a layer used as the base of the roof.
Other components such as metal panels or shingles are attached to the sheathing later.
Eaves the area just below the lower end of the roof includes the fascia soffit and guttering.
A structure located behind the higher side of a chimney or similar projections from the roof to divert rainwater around it.
Hip roof is a type of roof containing sloping planes on each side.
Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters.
Water worn gravel or marble chips used for surfacing and or ballasting a roof system.