Building a heat clearance wall? | Hearth.com Questions and Answers

Building a heat clearance wall? - # 2682

Question:

I was just wondering what could be used as a spacer material to attach the cement backer board to the 2 x 4 studs in the wall? I’ve heard of ceramic spacers 1” thick but what about metal tubing or even wood products? Thanks.


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Answer:

You can use vertical strips of the cement board itself.

I have also used small pieces of copper pipe.

Lastly, a company called HeatSafe sells a ceramic spacer kit.


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