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Stesso

Install Roof Decking and Uplift Protection

9:18
15:02
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At 9:18 in

Why patio roofs fail - and how to build them right!

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What happens here

If your rafters have any twists, use a custom-made plywood wrench to gently straighten them before installing the roof decking. Install hurricane ties (also known as rafter screws or clips) at the connection points of your rafters to the ledger and beam. These ties are essential for providing uplift protection, especially in areas prone to strong winds. Then, begin installing the roof decking (e.g., OSB sheathing). Ensure the rough side of the OSB is facing upwards for better traction. Use H-clips between decking panels where they meet mid-span between rafters; these clips help support the edges and prevent flexing. Nail the decking to the rafters using the specified nailing pattern (e.g., 2 nails on ends, 3 in field), being careful not to over-drive the nails, which can compromise the sheathing's integrity.

Goal: Create a stable roof surface and secure it against uplift forces.

Tools and materials

  • Circular saw Makita — Cutting decking panels to size
  • Cordless drill / Impact driver — Driving hurricane ties
  • H-clips — Supporting the edges of decking panels between rafters
  • Hurricane tie — Securing rafters against uplift forces
  • Nail gun — Nailing roof decking to rafters
  • OSB Sheathing — The roof decking material
  • Plywood wrench Custom-made — Straightening twisted rafters before decking
  • Roofing nails — Securing roof decking

What they say

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some twist in your lumber, you can make a wrench like this. All this is is just plywood screwed together, and this is about an inch and 3/4. You just take this and twist, and this can help straighten this out before you attach a fascia. Now we'll install a hurricane tie or a rafter screw up into the rafter to hold for uplift. If If don't have a gun, it could take a long time to fill all these holes. This has a marker for your plate line. If you install this and it's too low, it'll get in the way of your finished material. But, this needs to go up all the way to the plate line. Using the proper screws for this application can be a lot quicker. Just be sure you install them the right way and it's the proper screw for the job. And install your roof deck. Match up your overhangs and nail down your deck. As we nail, the sheer forces of the nail will start to stiffen your structure. On the seams of your decking, you install H clips. An H clip just goes onto your decking and then the other sheet will slide right on. This just helps with spacing and so these don't flex as much.

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