How To Seal A Pipe Through A Flat Roof

Remove the nails that hold the vent pipe flashing to the roof.

How to seal a pipe through a flat roof.

Typical methods include banding pitch pockets and cover flashings. Mark around the apron sheet on the asphalt remove the lead. An approved sealant is then applied to the top of the membrane upstand before it is tied off with a jubilee clip. What typical detailing methods are used to seal flat roof penetrations.

The sealing of the pipe flashing is same identical process we would use on any flat roof. The pipe itself is important for the ventilation of the bathroom odors or c02 run off from water use in. Slide the lead over the pipe coming through the roof and mark the top of the lead on the pipe and another mark 25mm further up the pipe. Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm.

Clean the copper tube coming through the roof and tin with lead solder from just below the first mark up to the second mark on the pipe. Some nails will be near the bottom of the pipe others. Watch our demonstrator use an innovative pipe boot that can be cut to size and fixed to the epdm membrane covering the flat. How to seal a plumbing vent pipe on the roof 1.