Gentite w59gt10125 10 ft.
Roof header board.
Anchor a ledger to a masonry wall with expanding anchor bolts begin by marking a line across the wall for the ledger s top edge.
Lay the plywood strips vertically along the face of one header board spaced a few inches apart.
Now the word header refers to a beam like support in wood frame construction.
Black epdm rubber roofing is a weather resistant commercial grade roofing membrane.
How to attach a header board to a house for a porch roof step 1.
Also see assumptions for table development.
The column on the left of each chart labeled beam span represents the beam length with bearing required for your project.
The exterior wall and the headers within will carry all loads from the mid point of the house between the supporting walls to the outside of the house including the roof overhang.
Drill holes for the expanding anchors every 16 inches or as specified by local codes insert the anchors hold the ledger in place and tap it with a hammer to indent the anchor locations on its back face.
Take off enough covering to expose.
The distance in this case is 12 ft 2 ft 14 ft.
Board feet chart and calculator board feet volume measurement of lumber.
It resists tears and withstands light foot traffic.
Click on the appropriate beam this will take you to the calculation table for your project.
Determine how high it must be to provide an adequate slope to.
Remove the shingles or siding in the area identified for the header board.
Determine the beam header span length and the span carried supported by the beam header.
Locate a position for a header or ledger board.
Place the second board on the plywood so that the 2 header boards are flush all around.
So each lineal foot of wall must carry the loads imposed by a 1 foot wide strip in that 14 ft region.
Beams supported at both ends continuous and point loads support loads stress and deflections.
Cantilever beams moments and deflections maximum.
Loading conditions are detailed below.
For each application a pdf download is available.
Be sure to nail through the plywood strips.
Typically at least twice the size of surrounding framing members a header is often built up from two studs joists or rafters.
Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables.
Fastening to masonry walls.
Using 16 nails nail the 2 header boards together from both sides in a grid pattern.
The placement of the ledger header determines the level of the roof so be sure it is positioned at the correct height and is horizontal.
