When unrolled the tarp must cover the damaged area and offer four feet of overhang from the roof s peak.
How heavy of tarp to cover roof with tarp.
Lay more 2 by 4s on either side of the tarp and attach those as well for a tight well secured water barrier.
Let the rest of the tarp hang off the lower border of the roof that overhangs the wall known as the eave.
Never lay the tarp out during a storm.
This isn t the case.
Any extra tarp can hang safely off the edge.
Screw the 2 by 4 directly into the roof to secure it.
Make note of your measurements and choose a heavy duty tarp in the appropriate size.
Purchase a tarp that will cover completely cover the area with 2 or 3 feet to spare on all sides.
This tarp for example is 12 mils thick whereas a standard tarp is typically only 5 mils thick.
It s easy to assume that all tarps are relatively lightweight and don t carry much presence.
Lay the tarp across the roof so that at least 4 feet 1 2 m lies on the sloped part of your roof on each side known as the peak.
The tarp should be long enough to extend over the roof peak or hip and extend at least 4 feet down the other side.
If the tarp doesn t extend over the peak of the roof water can get underneath the tarp rending it useless.
Lay the tarp out flat over the roof.
Then fold the excess tarp under a few rotations for a tight clean fit.
Some tarps like our silver uvr heavy duty poly tarps are specifically designed to be heavier than others.