Roof Ridge Width

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

Roof ridge width.

For 2 x 6 rafters use a 2 x 8 ridge board and so on. Metal sales universal ridge 14 in x 122 in steel roof panel ridge caps. The ridge cap used in conjunction with closure strips reliably protects the ridge seam against water infiltration. 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 s length will be the outside measurement of the building plus the length of the overhang at both ends. Ridge boards and beams. Determining the ridge beam height. For 2 x 4 rafters use a 2 x 6 ridge board.

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. Choose a ridge board that is one size larger than your common rafters. Ondura 12 5 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. The finished ridge beam height z above the top of the wall will be m plus the y height.

Newport vt felicia before you can determine the size of the roof framing members for your cottage s gable roof you will first need to decide if you are going to use dimensional lumber i joists engineered lumber or some. The gibraltar ridge cap is made from sturdy 29 gauge galvalume steel.