2 X 6 Roof Beam

What the code is here but would guess around 2x10 is needed.

2 x 6 roof beam. 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. Yes a 16 foot 2x6 may look like a pretzle. A 2 by 8 beam would be sufficient. If there is are any questions about anything else then you should contact your supplier or an engineer.

The formula for the section modulus is beam width times beam depth squared divided by 6. Will i be able to span a concrete slab of 11 6. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. Two 2 by 4 beams together would not be enough.

For more information see our disclosures here. Most interior beams need to include the roof load. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables. Personally would use a much deeper joist.

Here we have a wood framed gable roof. If i tie into a 6 12 pitch roof with 2x6 s. If you do opt to use 2 4 shed rafters for your roof construction you will always use a 2 6 ridge beam even though the rafters will be 2 4. For more guidance building and installing your rafters see my article on how to build rafters for a shed.

Also see assumptions for table development. No actual roof just slats. My plan is to add 2x6 supports on to the top plates of the existing house wall where the 2x6 s intersect with the walls. A two 2 by 6 standard beam has actual dimensions of 1 5 by 5 5 inches which would give a section modulus of 1 5 x 5 5 x 5 5 6 7 6 which is not enough for this example.

This post may contain affiliate links. No a 2x6 will probably not collapse under the weight of a few. Let s consider a basic gable wood roof framing design. After a year in the sun and rain without support.

Item 33789 model s206se 1 16. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Continuing on from part 3. 2 in x 6 in x 16 ft spruce pine fir lumber.

Determining whether to use 2 4 or 2 6 rafters depends entirely on your environment. Loading conditions are detailed below. For each application a pdf download is available. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Patio roof maximum beam rafter spans. I will be setting 4x4 post every 6 with 2 2x6 s with 1 2 osb sandwiched between them as the form to set on top of post. This is a pergola thing.