Porch Roof Beams
In the example d calculates to 7 75.
Porch roof beams. For more information see our disclosures here. Patio roof maximum beam rafter spans. 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. We show you how both a typical rafter style porch and truss roof area constructed.
This post may contain affiliate links. This means the example porch would need a 6 inch by 8 inch beam. We added them strictly for aesthetic. Before putting the stronger beam in place jack up the porch roof 7 3 4 inches to make room for the new taller beam images 1 and 2.
In the porch below you ll see a beam that goes from the front of the porch back to the house. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. In order to cut the larger beams you will need to use a saw that has a blade large enough to get through. A chain saw is the perfect choice for this type of project.
Below you ll see a flat roof which you don t see as often these days. Cut beams to fit. Bring trim board to desired width. Now carefully remove the bracing and lower the porch roof on to the new beam images 3 and 4.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Step 5 cut wood used to wrap new beam. You can repeat the same process using a different breadth if you want a beam that is wider or thinner than 6 inches. These posts help you create an outdoor retreat with distinctive style.
Mark the beams to the correct measurement and cut. Porch posts contain full length aluminum inserts that provide structural support for a porch roof or overhang. Beams can be solid lumber or be built from lengths of 2 by lumber nailed together with 1 2 inch pressure treated plywood spacers in between this forms a 3 1 2 inch thick beam that is equal to the width of a 4 by post. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
This tells you the size of the beam needed to support the porch s roof. Building a porch roof requires basic carpentry and porch roof framing knowledge. These beams are not structural. Measure the distance between the bottom of the porch roof and the top of the ledger beams of the porch.
The supporting beams are painted white and the tongue and. You can see how lovely a flat roof can be.