Patio Roof Support Load Bearing

Move the braces into place on top of the bottle jacks image 3 then raise them till they support the roof.

Patio roof support load bearing.

The standard guide in the u s the asce 7 05 lists weights and stresses for all building materials expressed in pounds per square foot. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. Maximum rafter spans for a patio roof. Calculating the load on a flat roof is a challenging task for the layperson that involves knowledge of building materials their weights and local building codes.

With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2. Join the support beam and wood load bearing post by toenailing them together and attaching two metal t braces to opposite sides of the beam with galvanized 10d box nails. The tables below give maximum spans for rafters and beams. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.

Once that s done and the support strapping is reinstalled on all gas electric plumbing and heating lines you ll have the satisfaction of completing a job that will last for the life of the house. The chain of load distribution begins at the roof covering material which exerts force on the cover s ceiling joists.