Roof Ridge Width

The ridge cap used in conjunction with closure strips reliably protects the ridge seam against water infiltration.

Roof ridge width.

Metal sales universal ridge 14 in x 122 in steel roof panel ridge caps. Choose a ridge board that is one size larger than your common rafters. 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. For 2 x 4 rafters use a 2 x 6 ridge board.

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. For pricing and availability. Ondura 12 5 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. If you know the slope x in 12 you want to use for your roof framing design you can use it along with the run r to determine the height of the ridge beam for example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet.

The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. Galvalume uses an alloy of 45 zinc 55 aluminum to create an extra durable coating that is ideal for ridge capping a galvalume panel roof. The finished ridge beam height z above the top of the wall will be m plus the y height. The gibraltar ridge cap is made from sturdy 29 gauge galvalume steel.

Determining the ridge beam height. How do i determine the size of ridge and rafters i need to build a gable roof on a 16x24 foot small cottage.