Legends Roofing Blog

Lead boots vs. rubber boots

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The waste disposal system in your house has pvc pipes that vent fumes through the roof to prevent sewer gases from entering your house.  In order to prevent water intrusion due to the hole cut in the decking for the pipe, a boot has to be installed over the pipe. There are two types of boots that can be used.

A rubber boot has a rubber collar around the plumbing pipe where the roof decking and pipe (that penetrates through the decking) meet. Rubber boots are available in different sizes according to the size of the pipe.

Disadvantages: The sun causes the rubber to dry out, causing cracks in the rubber. This will cause water penetration.  

A lead boot is a lead sheet that is formed and welded to fit the shape of pvc pipes. They come in different sizes, and depending on the size of the pipe is the size you buy. They range from 1.5 inches to 4 inches.

Disadvantages: Although lead pipes are less likely to weather, there is one disadvantage. Squirrels often enjoy eating lead boots! This may cause small holes to appear on the lead boots over a period of time which may eventually lead to a leak. Taking note of the squirrel population in your neighborhood could be a useful tool in deciding whether to go with a rubber or lead boot.