Roof Design Header

Make it the full width of the porch or slightly wider depending on your porch design.

Roof design header.

The loads delivered to the header are. Continuing on from part 3. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Determine how high it must be to provide an adequate slope to the roof.

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. Let s consider a basic gable wood roof framing design. 124 james slowinski electrical inspector ext. Now the word header refers to a beam like support in wood frame construction.

Today that term has been adopted to the parts used in wood frame construction. Loading conditions are detailed below. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

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. The architectural graphic standards lists the weight of an exterior 2 6 wall as 16 pounds per ft 2. 123 james cerone local building inspector ext.

Find the wall studs or roof trusses that will have to support the ledger. Locate a position for a header or ledger board. Loads are contributed to the lower header by the roof upper walls and 2nd floor system. Here we have a wood framed gable roof.

The header is placed with its end or head facing the wall a practice that fortifies a wall s construction.