Roof Deck Slab Thickness

The deck is a structural.

Roof deck slab thickness.

Design thickness minimum thickness 1 in. 22 0 0295 0 75 0 028 0 71 20 0 0358 0 91 0 034 0 86 18 0 0474 1 20 0 045 1 14 16 0 0598 1 52 0 057 1 44 1 minimum delivered thickness is 95 of the design thickness. For example if you have 4 inches of concrete above the flutes and want to use 0 35ig the effective thickness would be 0 35 4 1 4 inches. Unilock architectural slabs are offered in six thicknesses and range from 9 lbs sqft to 48 lbs sqft for various roof structural weight limits.

For composite slabs most engineers ignore the stiffness of the metal deck and enter the elastic modulus and poisson s ratio for concrete. And the concrete slab the deck became the positive moment reinforcement in the reinforced concrete slab. Steel roof deck is the predominant structural component used in virtually all flat roofs. When using this type of deck in conjunction with bonded vapour control layers it will be necessary to first install a random nailed isolating layer prior to the installation of the main.

Longest unshored spans excellent alternate to sdi dr deep rib profile lower composite deck slab weight than 3wxh 36 for the specified concrete thickness 8 inch on center low flute spacing to allow for bearing wall studs to be at 16 inches on center non composite deck 7. It will support roof loads for most situations and is the standard for most roof applications. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Timber boarding suitable for roof decks should be a minimum 19mm nominal thickness planed and closely clamped together tongued and grooved or closely butted.

Steel decking is used in many applications but is particularly well suited to roofing and flooring. In addition the deck. For more than 50 years verco has been manufacturing many different types of deck including roof deck floor deck composite floor deck cellular and dovetail deck. Minimum thickness for deck with other metallic or paint.