[Greenbuilding] Brick Veneer over Thick Foam

John Straube jfstraube at uwaterloo.ca
Wed Mar 27 17:35:39 CDT 2013


Glued on brick wafers is not a solution for brick veneer ties. It is a different cladding. One that is not drained or ventilated and hence quite inferior.

Sent from my BlackBerry 10 smartphone.

From: ErgoDesk
Sent: Wednesday, March 27, 2013 10:23 PMq
To: Green Building
Reply To: Green Building
Subject: Re: [Greenbuilding] Brick Veneer over Thick Foam


Here i a ready-made answer to the situation Eli,

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On Wed, Mar 27, 2013 at 8:42 AM, <jfstraube at gmail.com<mailto:jfstraube at gmail.com>> wrote:
Typically BV are easier. You do penetrate through the foam with long ties. We often use rock wool for this in commercial buildings.
There are clip ties like the Bl-407 but if you get them spiral wood ties are better. Spiral ties that are about 4.5 to 6 mm in diameter of stainless are driven into studs at the height of the Bed joint during brick veneer installation.
Fur ring works but the brick keeps the wood during quite wet for long periods so you likely need to use treated.
I have seen long nails and screws used and they can work technically but code officials may not accept them.

Sent from my BlackBerry 10 smartphone. 5197417920<tel:5197417920>

From: Eli Talking
Sent: Wednesday, March 27, 2013 09:38 PM
To: Green Building
Reply To: Green Building
Subject: [Greenbuilding] Brick Veneer over Thick Foam


I have adopted as my approach to insulating buildings to install a thick layer of foam outside the framing for walls.  Sometimes this is in combination with frame cavity insulation, sometimes not.  Outside this foam, I install a furring strip that I carefully seal at screw holes and screw through foam to framing for the purpose of mounting siding.

I have a project that includes brick veneer.  Are there neat,  intrinsic methods for brick ties in the same situation.  The brick tie should not be required to penetrate all the way through the 3”-6” foam.  My intuitive approach is to treat just like siding by installing furring strips that the brick ties can be mounted to.  Because I have not seen this done that way, I am wondering if there is an already proven approach to this situation.

Comments will be appreciated.

Eli


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