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.
Patio roof support load bearing.
Textured white non tapered square shaft load bearing endura aluminum empire style column.
The tables below give maximum spans for rafters and beams.
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.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
This will hold the weight of the porch roof while replacing the beam.
Maximum rafter spans for a patio roof.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2.
Move the braces into place on top of the bottle jacks image 3 then raise them till they support the 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.