drsulak: (Default)
I love those home improvement shows where the host points to the grunt labor and shows how easy it is to screw up the drywall. Yep, looks like it should take all of 25 minutes.

If it's a box. If it is square and true. If if IF if IF IF.

In my case, the angles add a greater complexity, but even without the angles, the spray-foam insulation needs to be trimmed back. Protruding staples and nails needs to be removed or pounded flat. Hmmm, that stud is set back 3/16" right next to a skylight - shim it on out.

Short side project with the two skylights. When installed, the rough hole was about 1.5" bigger than the skylight, and not perfectly square. I could just slap up the drywall and hide it all, but an insidious problem would develop. Around the periphery of the hole at the roof, you can see the roofing material. If I were finish it now, there is no insulation, and the drywall would sweat. No good.

So, I need to do it the right way. I shim the gap with 3/4" foam (actually, tapered due to the out-of-square opening. The bottom I shim with wood. The foam is R6 per inch, so no sweating.

So in the end, I've prepped 200sqft of surface. I don't feel terribly productive, but the actual drywall installation will go much quicker - I hope.

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drsulak

January 2017

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