Cold Flat Roof Fascia Detail

The position of the insulation dictates which type it is.

Cold flat roof fascia detail. Or 050 stain less stl. Flat roof details and information relating to insulating a flat 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. Hopefully this video will help explain the difference between cold flat roof construction and warm flat roof construction this videos show detailed drawings.

Attention should be paid to bs5250 control of condensation in. Whether the joists are angled or you use firrings. I explain problems with insulating a roof using the warm and cold roof construction methods. Details both in 2d and 3d to give a clear understanding.

In a cold roof construction the sarnafil membrane is installed directly to the structural decking usually timber with firrings to fall. To be 48 oz. Whatever new flat roof covering you choose epdm rubber kemper. Detail for attachment to metal panel siding or fascia.

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. Similar to the pitched roof a flat roof can be insulated as a cold or a warm deck. No flat roof is truly flat. Downspout strap detail 1 4 dia.

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 rolled brass 060 alum. 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. X 5 8 bolt brass alum.

Ventilation must also be provided through the eaves or roof ridges using fascia vents or the skylight upstand on the roof. Your flat roof construction detail drawing has one obvious mistake. Nov 1 2015 explore fan felle s board fascia on pinterest.