Roof Deck Slab Thickness

Plywood boards used for the deck should be.

Roof deck slab thickness.

Large amount of water vapour can evaporate from reinforced concrete or a wet screed. Insulated panel with a membrane top sheet. Plywood for a roof deck should be of marine grade and suitable for external use to bs en 636 or a bond class 2 or better complying with bs en 314 check. Cross ventilation beneath the deck is usually.

Woodwool cement slabs should conform to bs en 13168 and be a minimum thickness of 50mm. Thickness astm c373 water absorption astm c1026 freeze thaw astm c648 breaking strength ansi 137 1 slip resistance 3 4 0 1 resistant 3400 lbs 0 60 unilock architectural roof deck slabs natural stone and porcelain tile have been manufactured and quarried to meet and exceed astm and csa standards. A minimum thickness of 18mm these will be able to span up to 600mm. For a composite deck the factor should be incorporated into the effective thickness that is defined with the deck properties.

Mxdeck54 is an innovative steel decking profile which is an ultimate light weight system for all multi storey buildings. Laid with staggered joints. Composite decks comprise a polyisocyanurate pir insulation core factory adhered onto a profiled steel liner sheet with a variety of top sheet options. As the interlock between the concrete and the deck is made through embossment and built in ribs resulting in a reinforced concrete slab maxroof has now become one of the biggest metal deck exporter in india.

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 roofing system to cover the joints between. Double nailed at each joist. Timber boarding suitable for roof decks should be a minimum 19mm nominal thickness planed and closely clamped together tongued and grooved or closely butted.