Metal Roof Deck Insulation Details

For standard steel deck construction this approach has many advantages such as.

Metal roof deck insulation details.

For longer slopes and lower roof pitches contact fabral for other suitable profiles. Steel deck with fully adhered single ply membrane over a cover board with xps insulation over gypsum board thermal barrier or applied directly to the metal roof deck. Metal deck is a cold formed corrugated steel sheet supported by steel joists or beams. Fb black or white membrane.

For most of us in the low slope roofing industry it s considered to be absolutely standard to have insulation placed above the roof deck. An excellent fire barrier densdeck roof boards feature a noncombustible core and inorganic surface that offer greater fire protection than other conventional commercial roofing products when applied over combustible roof decks and steel decks. Kiln dried softwood is recommended for purlins or decking pine fir hemlock and spruce. It is used to support insulating membrane of a roof.

Get all the construction documentation you ll need in a single click. Pullout values decrease if the fasteners protrude completely through the purlins. Shown to withstand delamination deterioration warping and jobsite damage more effectively than other roofing membrane substrates such as paper faced gypsum board fiber board and perlite insulation. Steel deck with mechanically attached architectural metal panel cladding optional cover board over xps insulation over gypsum board thermal barrier or applied directly to the metal roof deck.

Meets ibc chapter 26 requirements for direct to deck metal roof applications. It was developed to provide a structurally efficient product for use in roof and floor systems. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. Download free high quality cad drawings blocks and details of roof and deck insulation organized by masterformat.

Passes ul 1256 without the need for a thermal barrier. Fiberglass batts or glass mineral wool metal roof insulation. The batts are located side to side on the rafter of the roof. When using purlins fabral recommends a maximum spacing of 24 on center note that 5v requires solid decking.

Both materials make a great physical barrier between the interior building and the metal roof. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. Specify this solution zip 8 39 mb.