but on a newly sheathed roof, leaving the lightly textured side up does give a bit of extra traction. if the osb has tongue-and-groove edges, there's another issue to consider. according to the structural board association, the tongue-and-groove profile is not symmetrical, so the sheets must all be facing the same way for the joints to match.
zip system roof and wall sheathing is the fastest way to achieve the following:. added structural durability. zip system sheathing is a code recognized wood structural sheathing panel with built-in weather protection, providing unmatched strength and protection.
re: span for 1x6 t and amp;g roof decking section r803 irc, roof sheathing basically, 1x with a minimum of 5/8' net thickness can span up to 24' above that allowable span goes to different grades of 1-1/2' thick material.
old houses with asphalt shingles usually had either tongue-and-groove boards or strht-sided boards abutting. in the 1950s, plywood sheathing and particleboard became common, and, today, most standard-construction roofs use either half-inch plywood or particleboard's big brother, oriented-strand board osb . 1.1: what is osb?
however, that isnt the case. remember, the keyword is solid. at one point in time, it was standard to use shiplap, tongue and groove, one-inch boards or other boards for your roofing deck. these wider boards were all nailed tightly together. whenever your roof was first installed, the nails were put into the solid wood.
the sheathing for the roof was originally tongue-and-groove planking its a 1950s brick ranch with a typical sloping roof, in nc . the contractors want to replace this sheathing with plywood 1/2' cdx because the tongue-and-groove planking is expensive and hard to get. but i was assured that it is just as good.
tongue and groove boards. tongue-and-groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. the main reason to use tongue-and-groove boards these days is appearance from beneath the roof.
i am planning an addition. i will be using 24' trusses 2' oc. the truss manufacturer recommend for exterior roof sheathing 5/8 tongue and groove weyerhaeuser osb. i had originally planned to use 1/2 plywood with clips. any recommendations? pros vs. cons between the 5/8 osb vs the 1/2 plywood?
shop zip system 1/2 cat ps2-10 tongue and groove osb sheathing, application as 4 x 8 in the osb section of seven trusts.com
floor and roof sheathing complying with this table shall be deemed to meet the design criteria of section 2304.8. tongue-and-groove edges, panel edge clips one midway between each support, except two equally spaced between supports 48 inches on center , lumber blocking or other.
the exterior grade plywood and osb sold for sheathing already is 1/8' short of 8 ft. it's typically only cabinet grade sheets that are full, or oversized. there is some case for using t and g as roof sheathing although even at 24'oc. 1/2' can be used without h-clips , but there are no lateral p0int loads on walls, so there is really no advantage.
5 steps to proper roof sheathing installation. for improved performance, consider thicker roof sheathing panels, panel edge clips, or panels with tongue-and-groove edges. 7. a 1/8-inch space between adjacent panel end and edge joints is recommended, unless the