In a typical roof framed with dimension lumber the rafters rest on the exterior wall top plate at the lower end and bear against a ridge board at the top.
Wet roof joists.
Joists are the parallel horizontal beams that run across an open space joining opposite walls in a building to support both the ceiling below and the floor above.
Span calculator for wood joists and rafters also available for the android os.
They are nominally 2 inches thick actual width usually 1 1 2 inches and come in a variety of widths from 8 to 12 inches.
Wet or rain soaked framing lumber will not rot in a matter of days.
Live load psf dead load psf span calculator for wood joists and rafters available for the iphone.
The size of the ceiling joist also is accounted for in joist spacing.
Tj 9006 installation guide for deep depth tji 360 560 and 560d joists.
Conventional framing the first thing to understand is how a roof framed with wood i joists differs structurally from a traditional stick framed roof.
Although 2 inch by 6 inch lumber is used most often in ceiling construction to support 5 foot by 8 foot sheetrock the material commonly used for ceilings other sizes of lumber may be used such as 2 inch by 4 inch and 2 inch by 8 inch lumber.
Csg tjcan12 simpson connector guide for trus joist products.
Water can cause problems if the lumber is allowed to stay wet for weeks and weeks so do whatever is possible to get a roof on the house.
Tj 9001p installation guide for tji 110 210 230 360 and 560 joists in punjabi language.
5036 usp connector guide for trus joist products.
Homeowners often worry that the wood is ruined if a house gets wet during construction.