4 дек. 2020 г. · 3/8" plywood is only acceptable if there are panel clips spaced equally between 24" oc supports. Otherwise the plywood needs to be a minimum of 7/16".

6 дек. 2023 г. · 1 set a minimum thickness of 5/8 sheathing for a 24" span, yet Table 503.2.2.2(1) shown above allows 7/16" at 24" O.C. without edge clips ...

1 мар. 2010 г. · Applies to panels 24 inches or wider. If it is not 24 inches then it would not meet the presrciptive requirements of the IRC.

12 июл. 2024 г. · My boss has tasked me with figuring out what year Austin adopted the code that requires minimum 7/16" roof decking to be installed for asphalt shingles.

22 июн. 2019 г. · If the spacing is greater than 1/4” install a layer of 3/8” minimum thickness APA labeled exterior grade plywood or OSB over the wood planking.

26 нояб. 2021 г. · 7/16" tops out at 40 psf when on 24" centers. 15/32" which tops out at 65 psf on 24" centers. If you own and can't or won't return 7/16, strap trusses

20 авг. 2010 г. · I would go with the 3/8 inch max after the wood shrinks for board sheathing. ' NO the new plywood cannot be put over old wood shingles--too ...

16 дек. 2018 г. · My state uses the 2015 IRC. There has been substantial debate over the minimum acceptable thickness of plywood when used as roof sheathing.

23 июл. 2013 г. · I normally use 5/8 roof sheathing, if the needed top strip is small enough to be board width a 1x board for that top strip works well.

2 авг. 2020 г. · Unfortunately IRC 905.2.5 requires fasteners to penetrate through the sheathing if the sheathing is less than 3/4" thick. I agree that the rest ...