Roof Design Header

Now the word header refers to a beam like support in wood frame construction.

Roof design header.

Let s consider a basic gable wood roof framing design. Loading conditions are detailed below. Also see assumptions for table development. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables.

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. The header is placed with its end or head facing the wall a practice that fortifies a wall s construction. Loads are contributed to the lower header by the roof upper walls and 2nd floor system.

124 james slowinski electrical inspector ext. Today that term has been adopted to the parts used in wood frame construction. The loads delivered to the header are. Locate a position for a header or ledger board.

Find the wall studs or roof trusses that will have to support the ledger. Make it the full width of the porch or slightly wider depending on your porch design. 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. 123 james cerone local building inspector ext.

Determine how high it must be to provide an adequate slope to the roof. So an 8 foot tall wall weighs 8 ft x 16 pounds ft 2 128 pounds per lineal foot. 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. Continuing on from part 3.

The architectural graphic standards lists the weight of an exterior 2 6 wall as 16 pounds per ft 2.