How to Handle Truss Roof Lifting — AOL On

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How to Handle Truss Roof Lifting

Hi! I’m Bob Schmidt with Home Remodel Workshop. I take a lot of pride in my work as a cabinet installer and last summer during the middle of the drought here in our area, I installed a kitchen. I was kind of distressed now that it’s in the middle of the winter when I got a call back saying that the customer wasn’t satisfied with my crown molding. I usually spend a lot of time on that to make it look just right so I was a little confused to what was going on until I got there. I think you’ll find it interesting. Let’s get the work.

Upon getting to my project, it was pretty obvious that what we’re dealing with was what’s called truss lift. The ceiling actually raised itself away from the cabinets. You can even see that the nails pulled up out of the top of my trim and stayed in the ceiling. I had to come up with a good solution to this even though my mind all stays “good and tight” because they were glued. I had to go upstairs to see what was going on.

This house is a truss roof construction. And what happens is, in the winter, the roof will actually raise and then in the summer, it’ll actually lower back down depending upon the amount of moisture between the bottom and the top rows of the rafters.

As you can see, where you can see the top layer to the wall here, the truss is raised up enough to pull the drywall including they’re ripping the nails out of the bottom of the truss above my cabinets, making that space above my trim which doesn’t look real good.

The first thing I did was take the crown mould down of the existing cabinets. It left me a real nice painted line and behind the painted line because I didn’t want to have to have the customer to repaint the ceiling, I punch some holes up to the drywall so that I can spot them up in the attic after I move the installation back. Let’s go on up in the attic and I’ll show you what I did.

As you can see, the holes are really easy to spot once the installation was moved out of the way. I want to have put pencil marks where the corners of the cabinet runs where and I’m going to prep this for putting some one by up here, gluing it directly to the drywall so that it will float separately from the truss roof ceiling and only stay with the drywall.

I cut my blocking so that it was just a little short of the truss work. I won’t anchor this blocking to the truss at all. All I’m going to do is glue it down, drop the piece of one by down making sure it’s even with the front edge of the trim, and then I’m going to put a couple of screws in it from the bottom to hold it in place until it dries. I’ll only anchor my trim to this block. I left spacing off of all the framing members. None of my blocks touched any of that framing. They’re just free floating right on top of the drywall.

While my helper was up top holding the blocks down, I dock a couple of drywall screws. Again, making sure I screwed behind where the new trim location will cover and I’m going to go ahead and let this wait 24 hours before I put that trim back up.

Now the same thing holds true with toe mould. When you install a toe mould, you nail the nails in the toe mould down into the floor whenever possible. In that way if the floor was to shrink away from the wall and the base board, the toe mould would always stay tight against the floor and pull down along with any shrinkage.

The outside of this house does have the fence and a roof fence and has plenty of ventilation but woods surround this house which holds a lot of moisture all the time. This house is also located in a lower valley that gets a lot of fog. I reapply the crown moulding only nailing it to my blocks. Not the trusses and not the cabinets.

So there you go, that’s the solution for the problem. Now, that’s only one scenario that could happen to you with truss lift. If you were just say had a drywall corner and there were no cabinets there but you had a crack that continue to develop, the option of putting crown mould up around your ceiling and only anchoring it to your ceiling alone and not to your wall, to allow it to go up and down as the season change, it’s also available to you.

I’m Bob Schmidt with Home Remodel Workshop. Hope you got something out of this video and if you did, please subscribe. If not, go back to our home channel. We have many other videos there. I’m sure some will be going to be out, thanks.

Posted: 05/31/2009 | Views: 14,633 | Duration: 04:30


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