1 5 Roof Decking

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

1 5 roof decking.

3 weeks based on material availability. 1 5 composite metal deck requires less concrete but spans shorter distances than deeper composite metal decking. 6 0 to 42 0 ulc listing tables conform to can csa s136 12 and meet the guidelines of cssbi 10m 2013 unless noted otherwise. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Verco hsb 36 stands for high shear b deck 36 wide. 1 5 type a roof deck type a roof deck is 1 5 deep. Wood shingle are expensive so when these roofs need to be torn off and replaced it is cheaper to resheath the entire roof and go over it.

B deck is strong light weight economical and easy to install and is the most common structural roof deck. 16 gauge is the heaviest weighing 3 5 pounds per square foot. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart. 1 5b 1 5bi 1 5plb roof deck imperial standard features astm a653 a653m ss gr 50 minimum steel with fy 50 ksi.

B roof deck can be manufactured in the following gauges. Also known as narrow rib this structural metal roof deck provides a wide support surface for various types of rigid insulation and roofing materials. Compared to type a roof decks and type f roof decks type b metal roof deck has the highest strength to weight ratio. B deck hsb 36 high shear b deck 1 5 deep good in stock.

Same day pick up or delivery. It is recommended to pour a minimum of 2 of concrete over the ribs of the deck for a total slab thickness of 3 5. 1 5 composite steel deck. 22 20 18 16.

22 gauge is the lightest weighing 1 9 pounds per square foot.