Updates

2015 October

Maintaining Fire Resistance During a Repair

Q: Someone damaged the gypsum panels on a fire-resistive wall that I had just completed. How do I repair the wall and maintain the fire resistance? A: This is a question that, unfortunately,...

2015 September

Goodbye

Q: If you don’t have the time to do it right the first time, when are you going to find the time to do it right the second time? A: That’s obviously a...

2015 July

Feedback Time

I have finally reached the threshold where I think it is prudent to review some of the feedback this column has received since my return to the role of Mr. Wachuwannano. It is both gratifying...

2015 June

Nail Pops & Efflorescence

Q: We applied drywall over wood framing in the late fall. After running the heat all winter, we’re seeing nail pops in several places. What’s going on? Is the drywall shrinking? How can we avoid...

2015 May

Control Joints in Stucco

Q: When installing control joints in a portland cement stucco system, is it necessary to cut the lath? A: According to ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive...

2015 April

EIFS Repair, Prefab Panels

Q: We have discovered damage of varying types, ranging from minor cracks to medium-size holes, on an EIFS-clad building. We do not know what brand of EIFS was installed, but we need to perform these...

2015 March

Outside Corners & Back-Rolling

Q: While observing the gypsum board installation at a construction site, the installer explained to me that industry practice when installing gypsum board on an outside corner of a wall is to stop both boards...

2015 February

Finishing Tapered Edges; BIM

Q: When applying gypsum wallboard to areas that will either go undecorated or covered with wallcovering (i.e., unpainted), is there any reason to worry about which side of the board is facing out (or facing...

2010 September

Fell’s Five Points

Jason Fell, the primary instructor for AWCI's Gypsum—Doing It Right education seminar, shared the following five points as a means of dealing with the expectations of the owner and architect. These expectations are a thorny...