The trusses should be a little longer than the exact width to allow for overhang and you will need sufficient trusses to mount across the length.
Roof studs distance between for concreete roof.
However joints in the concrete deck need to be addressed for air control layer continuity.
A concrete roof is exactly what it sounds like.
The masonry parapet the thing to note here is that the concrete deck is the air control layer so an additional one is not necessary.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
A habitable attic assembly supported by 2 4 studs is limited to a roof span of 32 feet.
If your local building authority has a rafter spacing code you may not space rafters wider than required by code.
While a 5 12 pitch roof is the standard if you are going to save money by spacing your studs at 24 inches a 7 12 roof pitch will fortify your walls to a greater extent than a 22 62 degree roof pitch.
Homes that were built after 1965 usually have studs with a width of 1 5 inches.
The balloon framed steel stud parapet this is the ugliest parapet to get right.
Common spacing for trusses on this type of building is often between 2 and 4 feet but trusses built with advanced designs may allow spacing as great as 8 or 12 feet.
This spacing may be changed to 12 or 24 in 300 or 610 mm on center depending on the load and the limitations imposed by the type and thickness of the wall covering used.
Where the roof span exceeds 32 feet the wall studs shall be increased to 2 6 or the studs shall be designed in accordance with accepted engineering practice.
Notice the use.
Studs usually consist of 1 5 by 3 5 inches 38 mm 89 mm or 1 5 in 5 5 in 38 mm 140 mm lumber and are commonly spaced at 16 in 410 mm on center.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
Putting the trusses into place.
The roof pitch that provides the greatest amount of tensile strength for your walls is 30 degree i e a 7 12 pitch roof.
For some of the more modern homes the distance between studs can be around 14 5 inches.
Most are spaced between 18 26 inches apart.
Exact specifications vary but most concrete roofs are several inches thick.
The same concept holds true for roof trusses.
Once you ve calculated the number of trusses you will need you should purchase the lumber.
A truss is one contiguous double rafter ceiling joist unit.
A solid slab of concrete capping the top of your house.
Most roofs utilize 16 inch spacings for strength and rigidity.
Rafter spacing rafters must be strong enough to hold the roof sheathing and the shingles.
Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches.
