Cement siding question?!

8 years ago

We are doing board and batten cement siding by allura. After many delays and problems finding someone our contractor found a team. Maybe because of other problems, I am looking for things, but can someone tell me if this looks right? Note, they are not finished but I want to prevent further problems. They damaged one corner. And the horizontal joints don't seem to lay level on the flashing. I just don't want the warranty voided or worse, rot to the house. Any advice would be great.

Featured Answer

PRO

Ironwood Builders

8 years ago

I'm not positive what I'm looking at, but it appears that some of the panels lap over one another? If so, that is an epic fail. We install 4X8 sheets of Hardi-panel over house wrap over plywood sheathing and each joint is gapped per the manufacturer's instructions. We caulk the vertical joints prior to installing battens and trim. All horizontal joint are installed with a "zee" flashing to prevent water infiltration. Doesn't look to be there in your picture. Fully detailed installation instructions can be found at www.jameshardie.com.

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Comments (6)

Patrick Thompson
Original Author
8 years ago
Attached is a close up. One board is broken at the corner. Should that be replaced? And can you tell if that is flashing? We have asked the builder but will see when we get a response. Thank you.
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Lillian Herceg
8 years ago
not good!!!!
Lillian Herceg
8 years ago
you will get water penetration and mold...and eventually rot... does not look professional...
miacometlady
8 years ago
Perhaps halt project and money.. Pull in another installer for advice...?
PRO
Ironwood Builders
8 years ago
Patrick, the close up helps. There is flashing in place. The installation overall is not super-pro. The material is out of alignment from one panel to the next. Not horrifying in and of itself but does mean that there are larger (or smaller) gaps in some areas than is required in the installation instructions. Caulking the verticals and installing the battens will mitigate most of the problem. The same is true of the missing corner. Do not let them caulk the horizontals! We do not trim over the horizontal seams because it traps water in the joint, ultimately allowing water behind the siding. Caulking the flashing traps any moisture behind it as well.