Ridge Plate Roof

By evelyn fielding the ridge board and rafters are the strength of the roof.

Ridge plate roof.

A ridge valley plate acts as a cap or cover where two sheets converge on top of a roof line. Description ridge valley plates act as a smooth transition over two separate roof surfaces that protects the edges of the two meeting metal deck sheets. What is a ridge and valley plate. In our rafter type drawing above common rafters are drawn in red.

Which is equal to 1 4 or 1 3 the total span of the building not counting any overhang. Pitch for a gable roof the most common is generally 1 4 or 1 3. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. Gaf cobra ridge runner 13 4 in x 240 in black plastic roll roof ridge vent.

Pitch can vary a great deal from a shallow slope up to a very steep pitch. Roof slope is commonly represented as x in 12. A common rafter runs from the roof ridge to the top of the front or rear wall plate and extend beyond the wall to provide an overhang or eaves or soffit. About o donnell metal deck.

Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps. For example a roof slope that rises 6 inches for every 12 inches of run is said to have a slope of 6 in 12 or simply six twelve. Whether you need corrugated metal decking for concrete or steel roof decking you can count on o donnell metal deck. How pour stops work.

Are angled pieces of steel are designed to support roofing material at a hip or valley condition. Getting a little more technical the national roofing contractors association defines the ridge as the highest point on a roof represented by a horizontal line where two roof areas intersect running the length of the area. The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12.

A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. The ridge board must be set as perfectly as possible so take your time and use careful measurements. For pricing and availability. The main elements of the gable roof layout are the ridge beam common rafters and wall plate.