Cement Plaster Water-Ressistive Barrier

Tech Tips received a CSI National Communications Award September 23, 2011 at the national convention. 

The code includes two very different requirements for exterior wall water-resistive barriers (WRB). When using cement plaster exterior finishes, ensure the WRB is equivalent to two layers of Grade D paper, and not Type I (No. 15) asphalt felt. There is a big difference between the two. Find out what it is.

Visit https://www.conspectusinc.com/tech-tips.htm and view or download B2010 Cement Plaster Water-Resistive Barrier 11.10.01 and all previous Tech Tips.

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