This means the example porch would need a 6 inch by 8 inch beam.
Patio roof post and beam sizes.
If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts.
Patio roof beam calculator.
In the example d calculates to 7 75.
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Microllam beams are available in numerous sizes and can span large distances.
I have no doubt that there is a way to adjust the framing so that a few of the supporting posts can be removed.
A 4 by 10 can usually span up to 12 feet between posts.
Measuring pergola dimensions learn the standard.
This tells you the size of the beam needed to support the porch s roof.
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The way the porch roof is currently framed each of those 6 x 6 posts is carrying part of the roof load.
The beams can then be boxed in much as you had planned to do with the 2 x 10s.
Calculate the initial value for d then round it up to the nearest inch.
Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
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.