Roof Ridge Board Definition

The rafters and trusses that are part of the overall roof structure are connected along the body of the ridge board helping to create a durable framework that protects the rooms of the structure underneath.

Roof ridge board definition.

The rafters terminate against the ridge board unless the framing is designed to bear rafter against rafter with no ridge board. While not required by the code it is recommended by roofers and manufacturers. The ridge is the horizontal peak of the roof. The rake board covers the top edge of the siding where it meets the roof or soffit if there is an overhang on the gable end and prevents rain from running behind it.

Moulding that covers the edge of the roof and reduces the risk of water infiltration. Ridge boards and beams. The rafters and trusses are connected to the ridge board for a cohesive framework. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.

Rake boards are installed on the gable ends of brick houses to cover the exposed top edge of the brick. The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters. The loads on the ridge beam are carried by vertical posts at the beam ends down through the building structural walls to the building foundation. Definition of ridge board in construction.

Ridge boards shall be at least 1 inch nominal thickness and not less in depth than the cut end of the rafter irc section r802 3. It is attached directly to the decking along the bottom of the roof slope and above the underlay on the sides of the roof. Specifically the ridge board is a section of solid timber or metal that is positioned horizontally along the line of the ridge of the roof. Size and type of roof rake boards.

In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam. 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. A structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself. The ridge board and rafters are the strength of the roof.

A composite decking made of solid materials. Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters. The ridge board must be set as perfectly as possible so take your time and use careful measurements. The top board at the peak of a roof.

Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof. This type of framing is a specially designed rafter layout and requires precise and experienced erection.