How To Cover Flat Roof With Tarp

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How to cover flat roof with tarp.

As a general rule of thumb the tarp must overlap the roof s peak by at least four feet. Don t forget to secure the strapping used in step 4. Lay more 2 by 4s on either side of the tarp and attach those as well for a tight well secured water barrier. Screw the 2 by 4 directly into the roof to secure it.

Partially unroll your tarp to cover the damaged area from the roof s eaves to peak. Screw the roll side down either at the edge of the roof or to the fascia with a few screws pulling the tarp tight around the edges apply 1 3 strapping with deck screws every 8 to 12 making sure you have one within 2 to 3 of each edge. High quality woven poly tarp the thicker the better. Create an anchor board by rolling the tarp s peak end with a 2 x 4 inch board and nailing the tarp to your board with your 3 inch nails.

There should be an additional 4 feet of tarp on every side. Otherwise the water will sneak into the underside of the tarp allowing the water to continue infiltrating your home.