Roof Members Terminology

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.

Roof members terminology.

Eaves the area just below the lower end of the roof includes the fascia soffit and guttering. 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. Made of fibreglass and asphalt shingles protect the roof from rain and lend a house character. The exposed end of a shingle.

Dormer a vertical window built into the slope of a pitched roof. A condition where both the top and bottom chords extend beyond a support structure with no bearing at the extended end. 2 part of a flat roof structure that receives the ends of the flat roof joists. 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.

Don vandervort hometips. That part of a roofing waterproofing or flashing component that overlaps or covers any portion of the same or. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. Here is a closer look at common roofing terms.

An asphalt based roof cement formulated to adhere overlapping plies or asphalt roll roofing. Below are some commonly used terms that identify parts of a roof and types of roofing. They vary in size depending on their length and spacing. Occurs where overlapping materials are seamed sealed or.

Rafters are inclined members spaced from 16 to 48 inches apart. Common rafter valley rafter valley jack rafter hip rafter hip jack rafter cripple jack rafter dormer rafter. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. Collar ties rafter ties structural ridge beams.

As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more. Slight vertical cut on the outside edge of truss bottom chord to make sure uniform nominal span typically 1 4 inch cantilever. Inspectapedia tolerates no conflicts of interest. Flashing is found in valleys and at the bases of chimneys walls roof vents and plumbing vents.

It is a type of resistant moulding that prevents water flowing near roof openings from infiltrating the roof. 3 part of a suspended timber floor construction that provides a level bearing and. Post a question or comment about roof framing support construction specifications practices. It is a waterproofing layer made of regular felt stacked above the solid.

They do for the roof what the joists do for the floor and what the studs do for the wall. When working on a roof it pays to be familiar with these terms. A horizontal member that establishes the lower edge of a truss usually carrying combined tension and bending stresses.