Roof Deck Slab Thickness

Cross ventilation beneath the deck is usually.

Roof deck slab thickness.

Plywood boards used for the deck should be. Large amount of water vapour can evaporate from reinforced concrete or a wet screed. For a composite deck the factor should be incorporated into the effective thickness that is defined with the deck properties. Laid with staggered joints.

Insulated panel with a membrane top sheet. Is one of the common causes of flat roof waterproofing failure. Timber boarding suitable for roof decks should be a minimum 19mm nominal thickness planed and closely clamped together tongued and grooved or closely butted. 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.

Mxdeck54 is an innovative steel decking profile which is an ultimate light weight system for all multi storey buildings. A minimum thickness of 18mm these will be able to span up to 600mm. 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. 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.

Once the waterproofing membrane is laid drying out of the structural slab will mostly take place from the underside of the deck. 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. Double nailed at each joist.