Roof Design Header

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Roof design header.

123 james cerone local building inspector ext. Let s consider a basic gable wood roof framing design. Loads are contributed to the lower header by the roof upper walls and 2nd floor system. Roof ceiling and one clear span floor 4 2x12 9 11 2 8 7 2 7 8 2 fccip 425 main st ste 25 greenfield ma 01301 3393 fccip staff phone.

Also see assumptions for table development. So an 8 foot tall wall weighs 8 ft x 16 pounds ft 2 128 pounds per lineal foot. Continuing on from part 3. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

The architectural graphic standards lists the weight of an exterior 2 6 wall as 16 pounds per ft 2. Now the word header refers to a beam like support in wood frame construction. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables. Make it the full width of the porch or slightly wider depending on your porch design.

Determine how high it must be to provide an adequate slope to the roof. Locate a position for a header or ledger board. The header spans an opening for a window or door or it is a cut out in the roof or floor for a skylight chimney or staircase. 124 james slowinski electrical inspector ext.

Today that term has been adopted to the parts used in wood frame construction. For each application a pdf download is available. Here we have a wood framed gable roof. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Find the wall studs or roof trusses that will have to support the ledger.