Browse Forums General Discussion Re: What's on the brick? 4Nov 11, 2013 12:45 pm Isn't that called efflorescence, something to do with brick needing cleaning with hydrochloric acid...? I am saying that double brick has similar thermal performance due to thermal mass effect. It will be still very interesting to see the state of your framing after 10-15… 10 29741 We have a new build and need to clean bricks around a newly constructed deck. Need advice about whether to clean bricks with acid prior to oiling the deck, or should we… 0 2580 2 8297 |