An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.
Patio roof post spacing.
Will match roof pitch to my home looks like a 3 12 or.
Deep but this can be adjusted if it significantly cuts down on lumber to do 14ft spans or so.
Decks patios porches walkways driveways stairs steps and docks patio post spacing i am attempting to build a covered patio.
For a normal porch roof and porch normal post spacing for your case would probably be to make them same spacing all around more visually aesthetic around 3 1 3 or 5 feet on centers probably much more commoonly the 3 1 3 foot spacing in your area with two of those size on the long side and two around 4 feet wide.
Maximum joist span of a 2x8 is 10 6 at 16 o c.
Maximum cantilever of a 2x8 is 24 at 16 o c.
The patio will be 30ft.
I live in north texas where snow is extremely rare maybe once a year with a couple inches.
Maximum rafter spans for a patio roof.
Maximum cantilever of a double 2x8 beam past a support post is.
A span is the unsupported distance between two posts.
Measure down from the door leading to the deck the width of the beams joists boards plus at least 3 inches or to whatever your local code requires.
So either 6 posts in a 3x2 grid or 3 posts and a ledger board.
Specify roof covering shingles shakes etc when submitting plans.
Cut the posts to the correct height.
Attach the post brackets to the anchor bolts.
Attach posts to brackets.
Patio roof post column options in addition to the ever popular wood posts for outdoor structures can be made from other materials including concrete and steel.
The weight load of your deck also affects the spacing of the posts.
The determining factor of post spacing is the allowable span of your beams.
However if the spacing is too wide the patio cover s beams will bow under the weight of the joists and roof covering materials.
A cantilever is the unsupported end of a joist that extends past the last support post at the edge of your deck.
Beam is not used patio cover rafters should be notched and placed directly on the double top plate of the dwelling unit.
If nominal one half inch thick roof sheathing is used the roof may have rafters spaced not more than 24 on center.
Most often alternative materials are chosen because the structure needs additional strength or for style reasons to better complement the home s architectural style or landscape.
In other words the maximum distance it can cover without support from posts.