Roof Rafter Size Long Island

Laying out a common rafter for simple gable or shed roofs you need to learn this basic building block of roof framing.

Roof rafter size long island.

Span calculator for wood joists and rafters also available for the android os. Call today 631 681 1941. If this calculator from the american wood council is to be believed and if my assumptions about your materials and load are correct the max span is about 10ft for a pine 2x6. Also available for the android os.

This is because a steep sloped roof requires a taller chimney and more lumber for framing. However the end result may be well worth it as your roofing material is estimated to last up to 50 longer and will require less maintenance. This table agrees that 10 12ft is the max span for typical grade lumber at typical spacings for a 5psf dead load. Perfect roof rafters focus your efforts on the pattern rafter and the rest of the roof falls into place easily.

Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches. Another option are 2 x 8 rafters spaced 24 inches o c. Rafter spacing rafters must be strong enough to hold the roof sheathing and the shingles. If your local building authority has a rafter spacing code you may not space rafters wider than required by code.

Proudly serving nesconset holbrook islandia and more. As the load goes up for snow in northern climates or for heavy roofing material like tile the span length decreases. In making your choice consider how you will insulate your insulate your roof. Power washing and house washing in ronkonkoma new york by island soft wash.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. A 12 in 12 roof can cost up to 50 more than a 4 in 12 roof.