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Leaky roof – flues not sealed correctly?

By Surm - 17 April 2015 4

leaky roof

Our house was built three years ago and now it has started leaking water from the roof. I inspected the roof and found out that flues were sealed with a heavy dose of Silicone without using a storm collar. The silicone sealings have now split.

Looking at the photos, is this a standard way of installing flues in Canberra? Shouldn’t there be a storm collar around the flashing and the flue? My builder says we have to inspect these silicon seals every six months and redo them if needed!

leaky roof 2

Is this the correct way to install flues? If we have to inspect and re-do silicone sealing every six months, that doesn’t appear to me as a quality job. I would like to hear the expert opinions on this. If these don’t meet the standards, I will have to get a reputed roofing company to redo these and recover the cost from my builder.

Thanks

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4 Responses to
Leaky roof – flues not sealed correctly?
2620watcher 11:23 pm 17 Apr 15

vintage123 said :

This is the brand on my roof.
http://www.enter-shop.com.au/catalogue/c4/c163/p877

Same here. House is 25yrs old and not a leak. We have 3 of those seals, 2 wood heaters and the stink pipe.

vintage123 4:18 pm 17 Apr 15
vintage123 2:27 pm 17 Apr 15

Looks dodgy which is typical of canberra builders. The flu on my roof has a flashing fitted to it, which is made partly of aluminium and the other part rubber. It has never leaked. I believe most roof structures such as flues, skylights, vents etc use a purpose built flashing. Once installed correctly they shouldn’t need constant maintenance. Maybe a check once every ten years or so. I think the builder is ripping you off and just wants you on his books for a inspection every six months. Here is a link to what should be installed. http://www.deks.com.au/products/plumbing-roofing/dektite-metal-roof/ and http://www.deks.com.au/products/plumbing-roofing/dektite-tiled-roofs/

dungfungus 1:24 pm 17 Apr 15

That is dreadful.
Don’t hesitate to name and shame the builder.

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