Roof Truss On Masonry Wal

A ledger is a horizontal board that is attached to the top of the the wall.

Roof truss on masonry wal.

Staggered nail patterns provide greater uplift resistance. Standard dimensional lumber used for residential roof systems is most often nominal 2 x 6s 2 x 8s 2 x 10s depending on span and loading conditions. Steel bar joists typically use pocketed or ledger connections to concrete masonry walls. Masonry units are cut to conform to the roof slope at the same height as the roof trusses.

Position the bottom horizontal member or bottom chord of the truss on the marks on each side wall. Straps should never be bent sideways before attaching to the truss or rafter. Walls that are constructed of concrete block that need to be covered with a roof will require the use of a ledger. Roof trusses attach to a ledger that is on top of a block wall.

Think wealthy with mike adams recommended for you. Have a helper hold the truss in place. How to pay off your mortgage fast using velocity banking how to pay off your mortgage in 5 7 years duration. 70 mm deep notch is cut into the tops of the concrete masonry webs to allow placement of reinforcement that is continuous with the bond beam reinforcement in the side walls.

May 12 2020 roof steel truss supported on masonry wall with concrete chainage beam. A 2 in. Proprietary systems that use concrete masonry units as a filler between the steel joists are also available. Step 2 hold a 16d common nail at a 45 degree angle approximately two inches up from the bottom of the bottom chord of the truss.

Roof to masonry wall connections despite the fact that the photo indicates every truss is strapped this strap between the top of a masonry wall and the truss is a demonstration of a poor installation. Steel framed roofs using steel bar joints are very common in commercial structures because they are capable of spanning long distances. Inclined steel roof truss with shs members supported on top of a masonry wall. Refer to figure 3 1.