plywood better than tongue and groove roof decking

Some panels have a textured surface, which makes them less slippery when used for roof sheathing OSB panels often have lines at and in intervals so you know where underlying studs, rafters and joists are for nailing In our area, in OSB sheathing costs a few dollars less per sheet than in plywood.

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 More recently, however, most roofers recommend solid sheathing on the roof to give the house additional resistance to movement, or shear strength.

Many other roofs have been re sheathed with plywood and or OSB nailed to the cedar shake shingles At some point during the mid s, tongue and groove pine, usually by s, started appearing on roofs This is a system of closed sheathing where each groove fits onto the tongue of the piece below it Asphalt shingles

ROOFING The k The deck refers to the wood surface that the shingles are fastened to On older homes, the deck is made of boards, usually with a tongue and groove Houses built more recently use plywood, usually of the CDX variety Felt Paper Ice Barrier The layer that goes on top of the deck is an ice barrier.

, For most sheathing thicknesses and products, no using tongue and groove sheathing does not replace the requirements of blocking at panel edges in diaphragms and shear walls The American Wood Council s Special Design Provisions for Wind and Seismic (SDPWS), sections and ,

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 A inch space

TABLE () ALLOWABLE SPANS AND LOADS FOR WOOD STRUCTURAL PANEL SHEATHING AND SINGLE FLOOR GRADES CONTINUOUS OVER TWO OR MORE SPANS WITH STRENGTH AXIS PERPENDICULAR TO SUPPORTSa, b

with less glue than plywood L Plywood vs OSB New generation structural panels mean decade old notions are no way to choose sheathing Here s what you Scuppers for floor sheathing Cutouts in some brands of Louisiana Pacific s tongue and groove floor sheathing drain water Notches on the underside of the.

AdvanTech sheathing comes in many thicknesses and edges I used tongue and groove on my subfloor, nailed and glued I used tongue and groove nailed for the roof What makes this product really amazing is its resistance to water If you ve ever built or had a house built in a wet area of the country you know

Heavy Roof k Manufacturer, Southern Wood Specialties, provides southern yellow pine t amp g roof decking in sold and laminated options.

, For the shed s floor deck, use ? in exterior grade plywood anything thinner will flex between joists (Note that a double layer of ? in exterior ply is okay, too.) If you plan to store heavy items, such as a lawn tractor or woodworking machines, consider using ? in tongue and groove plywood This costs

Roof is pitch, and will have either year architectural shingles or ga steel roofing over one layer of felt It is much better in the long run d in high wind code areas your choice is solid blocking at the perimeters and in at all roof edges .plus at the ridge or you can use T amp G.

Applies to APA RATED SHEATHING and APA RATED STURD I FLOOR panels inches or wider applied over two or more spans c Tongue and groove edges, panel edge clips (one midway between each support, except two equally spaced between supports inches on center or greater), lumber blocking, or other.

With an industry leading warranty and unmatched day no sanding guarantee, AdvanTech flooring is the panel that more builders trust and extremely durable tongue and groove profile for easy installation Ranked in quality every year for more than a decade Backed by the reputation of Huber Engineered Woods.

, T amp G boards must be inch thick if used on foot on center rafters For spans greater than feet up to feet the boards must be inches thick Fiberboard Wood fiberboard is most commonly used in wall sheathing because it provides insulating and soundproofing properties The material is soft

We are often asked, why do we need plywood over our old solid sheathing It used to be standard to use shiplap, boards, tongue groove, or other boards for the roof deck As the boards to do the roof deck were manufactured here in the Northwest it was still more economical than plywood through the s.

Tongue and groove joints allow two flat pieces to be joined strongly together to make a single flat surface Before plywood became common, tongue and groove boards were also used for sheathing buildings and to construct concrete formwork A strong joint, the tongue and groove joint is widely used for re entrant angles.

There s been one other post before this on this topic (thread T amp G king as diaphragm) but we just faced this situation and I thought I d ask out there if there are further comments or input The IBC doesn t recognize x tongue and groove decking (we have x s) as providing roof diaphragm

The appeal and success of plywood as a building material are based on quite a few factors including increased construction speed (consider nailing up x sheets of plywood versus individual tongue and groove exterior building sheathing or roofing), product uniformity and strength, and the reduction of waste compared

Three quarter inch thick, planed softwood (spruce, fir, pine) boards will last a century or more under slate OPTION ) Tongue in groove lumber, kiln dried, is suitable as a roof decking on slate roofs OPTION ) Slating lath, or X to X strips of wood spaced for nailing the slate, made of at least inch thick solid wood.

ks Other Than Steel Wood Sheathing sawed lumber, plywood or OSB (oriented strand board) At one time, the use of heavy timber tongue in groove decking was common These decks rarely had roof insulation installed on them, since energy was relatively cheap, so typical construction might have called for a layer

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 With the boards to do the decking being manufactured in the Northwest, it was a lot more economical to use these boards than it was plywood, at least through the s anyway.

, The diaphragm values for timber decking are so low that except in limited circumstances something more is required One way it to put plywood or OSB sheathing on top of hte decking You need to be careful that at the joint where two sheets of sheathing abut that the nailing from each side is in the same

Sheathing is a generic term for either plywood or OSB panels that are used to construct roofs, floors, and walls But the differences between Because use of tongue and groove panels eliminates the need for installation of blocking along long panel edges, floor construction moves more quickly The system components

Improving the rigidity of the roof decking can also improve the price on most Romtec buildings Comparing apples to apples, T amp G decking typically has a higher cost than plywood or oriented strand board (OSB), but the increased strength of the material increases the allowable PSI for the roof The added strength requires

AMERICAN WOOD COUNCIL TONGUE AND GROOVE ROOF DECKING Two Span Continuous All pieces are supported on three supports All end joints occur in line on every other support (Figure ) Controlled Random Layup This arrangement is applicable to or more supports ( or more spans) With less than

ROOF DECK SUBSTRUCTURES CHAPTER Open Framing The open frame substrate uses secondary framing members to secure the roof panels and fasteners Commonly called purlins, bar joists, or similar names, these members may be made from wood or metal They may be individual pieces of wood (Figure

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