What happens when…the boot on the soil stack is too small?

Posted by in Buying/Maintaining a Home, Roof, Shingles, What happens when ...? | February 29, 2016

Ever wonder if conventional wisdom, common sense, or old wives’ (in this day and age of political correctness I probably should include old husbands’) tales are accurate?

This blog begins what I hope to be a new recurring series of case studies that begin with the thought “What happens when..?”  I plan to photograph various construction conditions that I come across to help us better understand how things work out in reality.  Here is the second.

What happens when an undersized boot is placed over a soil stack?

Surely, (and go ahead and think it, “don’t call me Shirley”) I can fit this undersized boot over the soil stack and it’ll be fine.  After a lot of stretching and mashing and beating and caulking, see what the result may be in the feature photo.

Well, one thinks, “It’ll work.”

Yeah — it’ll work for a while — and then, the caulking dries out and cracks, the rubber gasket splits, the metal flange splits at the bends.

Low, and behold, we have a roof leak.

Now try to get that mangled boot off! Good luck!

If anything is worth doing, it is worth doing properly.

Please, measure the size of the pipe BEFORE going to the store.  And if you get the wrong size boot, please, go back to Lowe’s or Home Depot and get the right size.

Happy repair work, my friends.

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