Roof Deck Construction Definition

The basic roof decks commonly used with commercial membrane roofing systems are.

Roof deck construction definition.

10 section 12 03 definition of a family 12 section 12 03 community care faculties 13 section 12 03 definition frontage 18 section 12 03 guest house room accessory living quarters second dwelling unit per a b. Deck material shall be 2 inch nominal dimension lumber. In most cases these roof decks are open and uncovered with half height walls parapets around their perimeter. Adequate drainage system shall be provided for planters and roof deck area and maintained to prevent water from ponding.

One and two family dwellings. Structural standing seam metal panel roof systems shall be tested in accordance with astm e1592 or fm 4474. Occupied rooftops are becoming common in multi family and commercial buildings as building designers and owners seek to increase marketability by offering amenities such as roof decks. Steel light gauge cold rolled sections welded or screwed to bar joists see fig 1 wood sheathing sawed lumber plywood or osb oriented strand board concrete poured in place or precast.

Deck boards shall be placed 1 4 inch apart minimum and shall span over 3 deck joists minimum. Gypsum precast or poured in place. Where the metal roof panel functions as the roof deck and roof covering and it provides both weather protection and support for loads the structural metal panel roof system shall comply with this section. Provide a minimum 6 0 wide non vegetated fire department access around the perimeter edge of the roof.

A structural component of the roof of a building. Roof deck and roof cover systems. Section 12 03 building area for a development combining residential and commercial uses. Steel deck with insulation boards commonly called insulated steel deck roofing system bur built up roof with gravel or modified bitumen single ply membrane.

308 3 1 open flame cooking devices. The deck must be capable of safely supporting the design dead and live loads including the weight of the roof systems and the additional live loads required by the governing building codes. Adequate waterproofing of the roof from the planted vegetation and its irrigation is required. Roof construction is typically heavy steel frames.

Structural through fastened metal panel roof systems shall be tested in accordance. Where buildings balconies and decks are protected by an automatic sprinkler system. All deck and spa or tub post shall be 6x6 nominal minimum and located centered on footing. Decking material shall be attached to deck joist with 2 16d galvanized nails or 2 8 screws.