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Window install in old brick opening

The existing brick remains and interior wall framing would
Be new 2x4 wall.
There would be no brick mould.
I was thinking using a plywood box to line the opening
But the flashing details would be a concern
Any suggestions.perhaps using a product from tremco called exoair

Asked by mark mahon
Posted Aug 1, 2014 6:24 PM ET

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3 Answers

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1.

Mark,
I suggest that you watch GBA's 4-part video series, Replacement Window in an Old Brick House.

Answered by Martin Holladay, GBA Advisor
Posted Aug 2, 2014 5:01 AM ET

2.

The windows we are using don't have flanges.
They will be secured through the frame with shim screws or special clips.
Would it be best to use Siga tape (Corvum) on the interior, which the drywall returns would cover up? Also considering using ExoAir from Tremco on the perimeter of the frame.

Answered by mark mahon
Posted Aug 4, 2014 12:13 PM ET

3.

Mark,
I'm not going to select the "best" air sealing tape for this application, but I am happy to stipulate that Siga tapes are high-quality tapes with an excellent reputation.

Tremco ExoAir has a few quirks, and some builders find the product frustrating. For more information on Tremco ExoAir, read my review here: New Green Building Products — June 2013.

Answered by Martin Holladay, GBA Advisor
Posted Aug 5, 2014 6:13 AM ET

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