Osb Roof Sheathing Got Wet
I have noticed that osb that has ever been wet will discolor and it weakens it a lot as if it had much in structural strength to begin with.
Osb roof sheathing got wet. And next time specify advantech. Osb is manufactured dry and should be transported stored and ideally installed dry. If the osb swelling is too serious more than your belt sander can fix install a layer of tongue and groove plywood over the ruined osb. Most of the time there is very little harm and the material doesn t loose strength or any of its integrity.
The osb and in fact any wood panels must be allowed to dry completely depending on how wet the panels are this could be a few days before any roofing material is applied to avoid trapping moisture under the roof material that could cause edge swell and buckling. The underside will breathe. Allowing osb to get wet is not a wonderful idea but its done all the time. For pricing and availability.
For pricing and availability. 15 and 30 felts will breathe. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. It poured last night leaving the osb drenched.
Unfortunately more rain is heading this way for the next four days. When the air underneath circulates it will dry. When the sun shines it dries. Once the house is dried in and the osb has dried out use a belt sander to take down the swollen edges of the osb.
Houses i built got wet. I suppose if it was wet and then protected immediately it would still be ok you know no water no rot the damage would all show up soon. Osb roof sheathing gets rained on all the time up here and roofs are the first cover to go on a framed structure. Although plywood is usually more expensive than osb plywood is more resistant to moisture damage.
With the shingles on it sill still breathe. Use a dehumidifier 4. I worked all day yesterday installing the osb roof sheathing in hopes of getting the roofing felt on before it started raining. If you live in an especially rainy or humid climate consider using plywood sheathing instead of osb.
Here are the four main ways you get wet framing lumber to dry. Installing dry is virtually impossible in rainy climates however brief periods of wetting should not cause decay problems provided osb dries below 16 before the air barrier and cladding are both added.