Flue Through Flat Roof Detail

Large flashings are formed with a hook edge on the top and sides and cleated to the sheathing at 12 o c.

Flue through flat roof detail.

Care should be taken to follow manufacturers installation and safety clearance instructions. This detail illustrates a method of flashing a ventilator on a sloped roof. Vertical flue joints in attics must be bracketed. 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.

And there s a very good reason for this. This is a graphical display of a typical freestanding 150mm diameter flue system. The lower edge is hemmed for stiffness. Any vertical flue joints if your flue is going through the roof for example must be bracketed with specific flue brackets every 800mm 1000mm.

Boiler flue flashing products are typically used when installing a vertical flue kit through a flat or angled roof as it will provide a weather tight seal to the roof and stop any water leaking into the flue system. See table 2 a roof flash ing is placed down over the pipe and adjusted so it fits tightly against the roof with the pipe section held in a position maintaining the 1 inch minimum clearance from combustibles. The base flashing extends onto the roof a minimum of 4 and is soldered to the ventilator. First seek design advice from the waterproofing manufacturer at the earliest opportunity and use its robust details and solutions as part of the flat roof design.

Typical single storey flue system through framed chimney with cap flashing flat ceiling with open roof cavity space and pitched roof. Sig provides a deck up design supply installation through our design technology accredited contractors and guarantee service that is product neutral. The roofing material shingles asphalt paper etc should overlap the top edge up.