2x8 Max Roof Load

Dead load weight of structure and fixed loads 15 lbs ft 2.

2x8 max roof load. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. The live load depends on the maximum snow load in your area. Span calculator for wood joists and rafters also available for the android os. 1 psf lb f ft 2 47 88 n m 2.

Most of this load will be resisted by the roof s downward pushing dead load. Beam span maximums are based on a maximum anticipated live load. My guess is that i would use 2x8 s for the rafter ties ceiling joist and also 2x8 s for the rafters. The same wall runs perpendicular to the joists on all 3 floors but not the basement.

The pitch of the roof would be about a 4 pitch. Again this is the roof. The dead load is constant and is estimated as 10 pounds per square foot for wood framed construction. Our house has 2x10 joists under the 1st floor 2x8s under the 2nd and 2x6s under the 3rd all rough sized.

Get shopping advice from experts friends and the community. Thanks for the responses. 1 ft 0 3048 m. 10 psf x 6ft 60 pounds per lineal foot.

I m trying to figure out whether this is a load bearing wall. The span of a beam is dependent on a few variables. The span where the joists meet the staircase is approximately 13 ft and where. 1020 pounds per lineal foot.

Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. There would be interior framing inside the addition but there would be an area of about 15 x 16 that would be clear. Again this house has the same width dimension but it has 2 levels.

Live load is weight of furniture wind snow and more. 10 psf x 14ft 140 pounds per lineal foot. Loads are contributed. 2 are indicated below.

20 psf x 6ft 120 pounds per lineal foot. Determine the load per square foot that the roof must support. The roof load is composed of a dead load and a live load. For a floor system you can find the individual weights of drywall strapping floor joists subfloor underlayment and carpet in an architectural handbook like architectural graphic standards.

To determine the dead load value for a given floor or roof system the weight of all permanently installed materials in a given component are added together. Also available for the android os.