2 the 2 x 4s should be two feet longer than the width of the tarp.
How to cover roof with tarp.
Become relegated to the experience or imagination of the homeowner.
Lay more 2 by 4s on either side of the tarp and attach those as well for a tight well secured water barrier.
The weight of the tarp how to mark holes how to cover large holes how to secure bottom edge mark skylights work around soil pipes tarp around chimneys safety considerations etc.
This video presents part of the story and for an asphalt roof only.
If required cut plywood as needed cover up any existing penetrations with plywood secure the perimeter with screws every 6 to 12 into the roof sheathing below preferably into trusses unroll the full tarp make sure that the length extends 1 past the edge of the roof on the damaged side.
It should extend from the eaves to the peak and it should be cut so that an additional four feet are on either end.
There should be an additional 4 feet of tarp on every side.
Then fold the excess tarp under a few rotations for a tight clean fit.
Overlap the ridge line with the tarp by about 2 feet.
The 2 by 4 should be about 2 feet longer than the tarp width.
Screw the 2 by 4 directly into the roof to secure it.
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.
Make sure to cover the roof s ridge line first.
If you don t cover the ridge line the tarp won t be effective at keeping out water.
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Shop the tools and materials used in this video.
This is so the roof will deflect water either on one side or the other.
Learn how to tarp your roof and protect your house before or after a storm.
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Partially unroll your tarp to cover the damaged area from the roof s eaves to peak.