Terence McCann Posted May 9, 2011 Report Share Posted May 9, 2011 We had a thread on weep holes & stone exterior (I'm pretty sure). Was it determined that they are needed as in a brick veneer exterior? Quote Link to comment Share on other sites More sharing options...
mgbinspect Posted May 9, 2011 Report Share Posted May 9, 2011 If there is no cavity between wall sheathing and the backside of the stone, there would not normally be weeps. (We never put in flashing or weeps, as far as I can recall.) Quote Link to comment Share on other sites More sharing options...
Terence McCann Posted May 9, 2011 Author Report Share Posted May 9, 2011 If there is no cavity between wall sheathing and the backside of the stone, there would not normally be weeps. (We never put in flashing or weeps, as far as I can recall.) Tnxs Mikey. Quote Link to comment Share on other sites More sharing options...
mgbinspect Posted May 10, 2011 Report Share Posted May 10, 2011 Sure thing Mr. T. Another thing that might be helpful to understand, is that stone mortar is nowhere near as dense as brick mortar. Stone mortar is merely sand and Portland cement mixed just damp enough to clump when compressed. So, it's pretty porous. The exterior of the joint is rarely tooled, but is typically brushed, which does create a bit of a finish. Consequently, moisture will wick out of stonework pretty readily. Brick mortar, on the other hand, is quite dense, due to the plasticizers (lime, etc.) The real purpose of those materials are to make the mortar much more workable. They make it so a mason can spread a trowel full of mortar along three to five bricks at once. They also make it so the mortar will easily squeeze out from between the bricks as they are installed. The plasticizers fill most of the voids between the sand and cement particles making brick mortar dense. So, brick mortar holds water for a much longer period of time. I imagine that, a drainage system isn't quite as critical with stone veneer, but that's just a guess. Quote Link to comment Share on other sites More sharing options...
Erby Posted May 10, 2011 Report Share Posted May 10, 2011 Try this for some guidance, Terry. http://culturedstone.com/literature/doc ... ctions.pdf Quote Link to comment Share on other sites More sharing options...
Terence McCann Posted May 10, 2011 Author Report Share Posted May 10, 2011 That'll help too - tnxs Erby. Quote Link to comment Share on other sites More sharing options...
hausdok Posted May 10, 2011 Report Share Posted May 10, 2011 If it's masonry veneer made with manufactured stone, it's supposed to have a drainage plane behind it and weep screed at the bottom. Here are the web and print versions of the MVMA guidelines. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
mgbinspect Posted May 11, 2011 Report Share Posted May 11, 2011 (And, of course, my original note was based upon the assumption it was the real deal. I didn't get the impression from the original post that it was the abhorrent stuff...) [:-weepn] Quote Link to comment Share on other sites More sharing options...
John Dirks Jr Posted May 19, 2011 Report Share Posted May 19, 2011 Stone veneer follows the same guidlines as stucco, correct? Weep screeds and such. Quote Link to comment Share on other sites More sharing options...
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