Ray Monczka Painting - Painting Journal Post

Saturday, February 23, 2013 ‹‹ Back to Journal List  
Truss uplift & a Way to Hide the Damage
It has been a while since I've been able to sit down and explain how to hide the damage from uplifting trusses in a home. I apoligize for that, but will now explain.

My own condo has trusses that uplift, which tears the tape on the drywall at the ceiling & wall line, which is very unsightly. I have on two different occiasions installed new drywall tape, applied mud, sanded and painted the bathroom, only to have the trusses uplift the next winter, and show the same tear in the dry wall tape at ceiling line.

The cause of this problem is from truss lumber in your attic which at the bottom is covered with insulation, and the upper truss which is exposed to the cold. Mother nature has a way to cause an uplift on the bottom part of the truss because of the cold lumber in the top part of the truss which lifts the drywall pulling it away from the walls which do not lift. (I have seen the uplift actually lift some walls in a home).

Some people have said that an easy fix, just pull the nails out where the truss is nailed to top plates in the attic, but when I point out that the drywall is attached to the truss, you can pull all the nails out, but the drywall will move from the uplift.

Engineers have suggested using clips that are attached to the wall, and not to nail drywall ceilings within 24 in of the wall which will allow drywall to flex without tearig tape, but how many millions of homes are built without this.

Two baths in my condo had serious uplifting, and what I did was paint the walls fresh, prime 3 1/2 inch crown molding. I then installed the crown molding at the ceiling line, but only nailed the crown molding to the ceiling with extra nails. I then caulked the crown molding at the top to the drywall ceiling only, not to the walls. I then applied 2 coats of Sherwin Williams Pro Classic semi gloss enamel to the crown moding creating a beautiful look. SO! how did this solve the problem?

Very simple! When the truss uplifts the crown molding lifts with it, and when the truss goes back down in the spring the crown molding moves with it again, and you never see any signs of movement, because you painted the walls prior to installing crown molding.

I hope this information helps you, and you can always give me a call to install your crown molding. Next week I will explain how you can save money on cartridges for your sink facuets & shower diverter when they start dripping which is caused from them wearing out.

Take Care and Everyone have a wonderful day!
Ray Monczka
Posted by: Raymond Monczka on February 02, 2013, 01:33 pm
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