Patio Roof Support Load Bearing

The basic idea behind the structural design of patio covers is to safely transfer weight from the top of the patio cover to the foundation.

Patio roof support load bearing.

The chain of load distribution begins at the roof covering material which exerts force on the cover s ceiling joists. Move the braces into place on top of the bottle jacks image 3 then raise them till they support the roof. 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. 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.

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. This will hold the weight of the porch roof while replacing the beam. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. The tables below give maximum spans for rafters and beams.

Maximum rafter spans for a patio roof. Textured white non tapered square shaft load bearing endura aluminum empire style column.