Our osb is rated exposure 1 and that means that it will withstand normal delays in construction.
Rain on roofing felt.
Roofing felt that has gotten wet can be covered with shingles as long as it is allowed to dry out first the surface underneath did not get wet and it did not wrinkle bubble or rip.
The material may dry out or leach oils in the heat.
Roofing felt helps ensure the water drains off the roof and doesn t leak into your home.
Certainly it would have been better to have covered the roof with a tarp or roofing felt before it rained.
You need a water barrier under them like roofing felt old school or a synthetic water barrier or roof shield or roof wrap breathable membrane.
Rain can hamper any home improvement project but can greatly impact a roof repair or replacement.
Wind driven rain or snow can trap water under your shingles putting your roof deck and inner residence at risk of moisture damage leaks rot and mold.
It is safe to walk on.
The decking sheathing should have been tarped and work stopped as soon as it was evident enough rain was going to fall to wet the wood or water barrier felt.
It provides backup protection in the event of ice or water damage.
But one element that remains outside our control is the weather.
When building felt s primary role is to keep water off the plywood to limit warping.
Waterproof roofing felt gives the roof temporary protection from rain while you apply shingles tiles or other roof coverings.
Note that you should never shingle over bare wood like a bird s feathers shingles shed the qwater but are not watertight especially in windblown rain or melting snow conditions.
There are several disadvantages to using felt underlayment on a roof.
Roofing felt is not designed as a permanent exterior barrier against water.
Normal delays and the rain you indicated will not affect the structural properties of the panels.
If the felt several weeks old and blowing off the felt itself is non issue because it s so cheap to replace.
Learn more about how rain may impact your project.
Find a roofing contractor near you.
After weeks of planning you may feel impatient or frustrated when a storm lingers.
