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.
How to build a shed roof patio cover.
This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge.
Make the patio roof a little bit higher.
Make sure you remove the vegetation layer and even out the surface.
Because the gutter is removed you will need to install transfer flashing from the roof of the house to the patio.
Therefore select the location and level the surface with attention.
Apply the 3 4 5 rule to each corners so you make sure they are square.
When you are building a patio cover off of an existing roof or wall you must take all of your measurements from the point at which the patio roof will attach to the existing structure not the outside of the slab.
The existing slab can vary considerably throwing off crucial measurements.
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If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.
Patio cover plans building.
Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch.
It is almost similar to the first method but to make the patio roof a little bit higher you will need to remove the house gutter and place the back channel a bit higher.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.