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.

Patio roof support load bearing.

Textured white non tapered square shaft load bearing endura aluminum empire style column. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Maximum rafter spans for a patio roof. 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.

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. 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.

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. 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.