Cold Flat Roof Fascia Detail

The other is putting osb and insulation on even a slightly sloping roof means everything from the top of the joist up will not be plumb but run at an angle.

Cold flat roof fascia detail.

The position of the insulation dictates which type it is. In a cold roof construction the sarnafil membrane is installed directly to the structural decking usually timber with firrings to fall. Nov 1 2015 explore fan felle s board fascia on pinterest. Flat roof details and information relating to insulating a flat roof.

Attention should be paid to bs5250 control of condensation in. Ventilation must also be provided through the eaves or roof ridges using fascia vents or the skylight upstand on the roof. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. There must be an adequate void minimum 50mm between the deck and the insulation traditionally mineral wool to allow free movement of air and to prevent moisture vapour being transmitted from the building outwards where it could condensate in the roof.

Hopefully this video will help explain the difference between cold flat roof construction and warm flat roof construction this videos show detailed drawings. Cold rolled brass 060 alum. Your flat roof construction detail drawing has one obvious mistake. See more ideas about fascia roof edge roofing.

To be 48 oz. Detail for attachment to metal panel siding or fascia. X 5 8 bolt brass alum. Whether the joists are angled or you use firrings.

Similar to the pitched roof a flat roof can be insulated as a cold or a warm deck. Details both in 2d and 3d to give a clear understanding. Whatever new flat roof covering you choose epdm rubber kemper. Downspout strap detail 1 4 dia.

I explain problems with insulating a roof using the warm and cold roof construction methods. For cold flat roofs the vapour layer needs to be positioned underneath the insulation layer on top of the room below to create an effective barrier. This detail for cmu installation only.