do i need plywood over tongue and groove roof decking

tongue-and-groove plywood with non-grooved edges supported by joists or solid blocking, and / or; when rigid insulation is over the deck, properly sized and installed h-clips should be used on the unsupported edges. plywood roof . Free Sample

over fifty years of plywood roof decking, most living roofers today don't even remember back when roofs were built of solid wood. modern roofers have . thick solid wood. institutional buildings, and any building with a heavy slate ot tile could use nominal 2 inch thick tongue-in-groove roof decking, such as 2x6 planks. Free Sample

roof (~1:4 slope) constructed from 2.75" x 6" cedar planks (tongue groove) that serve as a cathedral ceiling, structural support, and . if you go this route, you'll need another layer of osb or plywood (or conceivably, purlins) above the vent channels -- so this approach is expensive and . Free Sample

tongue and groove (t g) timber decking as the standard roof decking material on every building. t g roof decking provides . romtec typically uses douglas fir or cedar planks, but there are a wide variety of additional wood types as well as composite materials that can be used. the reasons for choosing one . Free Sample

the plywood can and is expected to take a bit of damage over time and this is okay as long as the shingle has something firm to hold itself down onto. over time if . many older ranch style homes have tongue and groove decking that continues out as the soffit and you must use a shorter nail in those areas. Free Sample

plywood and osb are ideal materials for roof sheathing systems ranging from simple single-family residences to large commercial buildings. follow these simple construction . for improved performance, consider thicker roof sheathing panels, panel edge clips, or panels with tongue-and-groove edges. 7. a 1/8-inch space . Free Sample

tongue-and-groove edges of each unit firmly together with a wood block cut to fit the grooved edge of the decking. end joints must be made over a support member. nailing. although the wood fiber roof panels have tongue-and-groove edges, they are nailed through the face into the wood, rafters. Free Sample

deck. low-slope roofs have a slope that is less than. 2/12 (2"/foot). b. edge support may also be provided by tongue-and-groove edges or solid blocking. table 36. recommended minimum fastening schedule. for apa panel roof sheathing. (increased nail schedules may be . Free Sample

does it. there's no better way of sheathing roofs. specify richply easy t g roof to ensure getting the plywood t g product demanded or expected by the canadian marketplace . plywood tongue and groove product with proven performance . typical applications: roof sheathing and decking for residential,. Free Sample

the main reason to use tongue-and-groove boards these days is appearance from beneath the roof. say what you want about them but osb and plywood do not offer a very attractive finished look. t g roof decking, however, looks classy and rich. in fact, t g boards are most frequently used when the . Free Sample

does plywood, and is commonly used interchangeably with plywood, such as for roof decking. it is a little . tongue and groove. commonly used as roof sheathing where a ceiling will not be installed and they will be visible from inside the house, such as across beams in a vaulted ceiling. Free Sample

roof sheathing . concerning plywood. the information provided in this guide is based on standard industry practice. users of structural-use panels should always consult the local building . panel edges shall have approved tongue-and-groove joints or shall be . Free Sample

ply roof membranes and high-thermal roof insulations seem to have captured current interest in low slope roofing, they are just two of . gauge (thickness), rib width, depth, and configuration: because of the ribbed configuration of the deck, a leveling board will need to be installed over the roof deck. Free Sample

can you build over-the-top of my existing roof or does it need to be removed? if it turns out that . even when wet, plywood can easily dry out, decreasing the chance of damage . tongue-in-groove decking is necessary when the ceiling is exposed and the underside of the decking is visible from below or inside the room. Free Sample

we put the upstairs floor joists up, and i thought the very next day i'd be getting a sun tan on a roof top deck . on the tops of the floor joists, we measure and mark every 4 feet - this will be the plywood seams . on the four foot edges, your seams will fall on joist tops, so no need for tongue and groove. Free Sample

tongue and groove decking (we have 2x6's) as providing roof diaphragm shear behavior. i've heard in the past that placing structural i plywood or osb over the top of the decking can provide the necessary diaphragm action. my questions, however, are this: the ibc . Free Sample

does anyone have experience using tongue and groove decking for roof sheathing? . did anyone add plywood above the decking just for the shear strength? . the ibc references the the nds special design provisions for wind and seismic which has provisions for wood frame (lumber) diaphragms. Free Sample

do we need plywood over our old solid sheathing? the keyword here is solid. it used to be standard to use shiplap, 1 boards, tongue groove, or other boards for the roof deck. these 8 to 12-inch wide boards were nailed together tight. plywood_1 when the roof was first nailed on, of course all . Free Sample

decking and 19% for 3- and 4-inch decking. moisture content shall be determined by such methods as will assure these limitations. application. tongue-and-groove wood decking shall be installed with tongues up on sloped or pitched roofs, and outward. Free Sample