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do i need plywood over tongue and groove roof decking


do i need plywood over tongue and groove roof decking

Everything You Need to Know About Roof Decking

On metal roofs, decking absorbs vibrations and makes the roof quieter. . Plywood — Plywood is another popular and durable decking option. . Tongue and groove decking is made of two-by-six boards, with a “tongue” on one . This type of decking is typically seen on homes that do not have a ceiling.

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Plywood Over Solid Wood Sheathing: Do You Need It? - Wilmington .

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 .

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Roof decking quickly with construction plywood - Metsä Wood

. gable roof, which will be built using Metsä Wood& 39;s tongue-and-groove Spruce . for decking, as it is ready for use and does not require any treatments on the .

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easy t&g roof - Richmond Plywood

Specify Richply EASY T&G ROOF to ensure getting the plywood . be the finest structural panel on the market today. . Roof sheathing and decking for residential, commercial & industrial construction. Eliminate the need for H-clips or blocking. . ROOF. EASY T&G ROOF Quick Tips: . MAINTAIN PROPER GAPS, DO NOT.

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Why isn& 39;t the roof decking painted with a waterproofing paint when it .

Plywood, OSB sheathing, wood tongue and groove, corrugated metal, grancrete . Some roofs may require elastomeric coatings. Roof coatings should not be confused with deck coatings. . If it is painted, plan on it rotting from the inside out.

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roof construction and trim carpentry - Construction Knowledge.net

roof sheathing can also be used for wood shingles. The boards are nominal . Lumber and plywood roof sheathing . lapped 4 inches by the shingle above it is said to be laid . have tongue-and-groove edges, they are nailed through the face .

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Roof decking, do i have to use tongue & groove? - Small Cabin Forum

What is the advantage of using tongue & groove over non tongue . If it doesn& 39;t show from below use 4x8 roof deck ether plywood or chip board .

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What Every Homeowner Needs To Know About Roof Decking .

Read on as Colorado Roof Toppers, the area& 39;s roofing contractor of choice, . OSB (or plywood) will provide a complete cover for spaced or plank sheathing. If not . Tongue and groove are often seen in homes with no ceiling. . Roof leaks and “bends” in your roof can signal the need for deck replacement.

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Roof Deck Substructures - Metal Roof Installation Manual

6.2.2 Metal Deck With, or Without, Rigid Insulation. . the substrate (metal or wood) used on the job. Individual safety must be . focus in this chapter will be on decks made from wood and . Laminated boards often have a tongue and groove.

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Joining Tongue-and-Groove Plywood - This Old House

Coax those tongue-and-groove edges together for a tight, no-bounce fit. . Tongue-and-groove plywood is superior to regular plywood for floor decks . Have a helper stand on the seam to align the tongue with the groove, then . Decking Overview · Decking Materials · All About Hardwood Decking · How to Build a Simple .

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Roof Sheathing - Forum - Bob Vila

The damaged sheathing will not be replaced. . That does not really address the question of adding new plywood over old. . and rotted 3/8 plywood) and replacing it with new 5/8 T&G plywood. . You need to be sure that the vent is correctly installed, and ANY material harboring mold is replaced with new.

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Tongue and Groove Roof Decking: All the Facts You Must Know .

Tongue and groove roof decking, especially the one from solid wood boards, . It means, if you want to build the deck on your own because you .

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Plywood over tongue & groove? : Roofing - Reddit

I have a 60 year old ranch house that was built with 3/4 t&g sheathing. Over . I think the roof can hold the weight ok, at one time it had 2 layers of shingles which .

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HELP: T&G planking vs plywood? - Roofing/Construction Questions .

The sheathing for the roof was originally tongue-and-groove planking (it& 39;s a 1950& 39;s . The contractors want to replace this sheathing with plywood (1/2" CDX) . my house, I would not use tongue and groove and I pride myself on doing it right.

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Floor and Roof Sheathing | UpCodes

Structural floor sheathing and structural roof sheathing shall comply with Sections . Panel edges shall have approved tongue-and-groove joints or shall be supported . Span is permitted to be 24 inches on center where 3/4-inch wood strip .

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No Plywood Under My Shingles - Roofing/Construction Questions .

Could I, should I have the roofers slap new plywood over the planks? . if the existing roof deck is tongue-and-groove or ship-lapped, you will probably be alright .

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Roofing: Why do we need plywood over our old solid sheathing .

Roofing: Why do we need plywood over our old solid sheathing? . to use shiplap, 1″ 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 .

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Plywood necessary on top of old tongue in groove? | DIY Home .

Assuming no rot, would it be advisable to still put plywood on top in . A lot of old roofs are just 1x boards (no t&g) with open gaps between, and they reroof fine. . With tongue and groove decking you don& 39;t have these gaps, .

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Plywood vs. OSB: Which is Better? – Parr Lumber

Far too often I see OSB “sag” between the trusses making your roof look wavy. . Over the years I have seen claims for plywood decking delaminating, which can . OSB panels can be manufactured in lengths up to 16 feet (or .

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15LL04 Long and Short of Wood Roof Systems . - WoodWorks

the participant will understand how long span roof systems can be built from all wood and . Mechanically Laminated or Tongue & Groove. Panel Products: . except that wood structural panel roof sheathing exposed to the outdoors on the underside is . similar steel system would have been $6.00 to $7.25”. - John Mandere .

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TECTUM Roof Deck Installation Guide

Different Tectum roof deck panels will require special tools to install properly. Most jobs will . and-groove edge with a bevel below the tongue-and-groove joint on the interior exposed surface. . Detail of Tectum plank over wood members,.

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Roof Sheathing Materials | Roof Decking Guide - ImproveNet

Sheathing is made of roofing plywood & other materials. . Tongue and Groove . Step sheathing can then be applied over the solid sheathing as needed.

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What You Need to Know about Roof Sheathing - The Plan Collection

Tongue-and-groove boards were used for decades prior to the widespread . It can be installed over plywood or OSB sheathing, but the most .

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How to install roof sheathing | Pro Builder

Follow these steps for installing roof sheathing (roof decking) to ensure optimal . materials for roof sheathing systems, and following these simple construction steps will . Plywood and OSB are ideal materials for roof sheathing systems ranging from . How a Focus on Kindness Helps Bolster this Home Building Business .

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Residential - GAF

recommended by the APA – The Engineered Wood Association . When roofing over an existing deck, the following requirements must be met: . GAF Can Assist You… with these and other questions you may have regarding .

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do you really need new plywood over tongue and groove .

If your roof sheathing is like that, then it& 39;s a definite yes. If you go in the attic and look at the roof deck from below you should be able to see if it& 39;s .

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Roof Decks A to Z; Part XII: Board Sheathing | IIBEC

This article will explore features of older wood plank decks that are not of a . shiplap edges, spaced decking, and the ordinary tongue-and-groove (that profile . Figure 1 depicts one such board sheathing deck on an older barrel-type . Now, much of it will require repair before a covering can be applied.

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Everything You Ever Wanted to Know About Roof Decking : Allstate .

Tongue & Groove . This is an old decking solution, and is most often seen on homes built prior to 1970. . If you have spaced or plank sheathing, OSB (or plywood) will need to be added to completely cover the roof. Without .

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Roof Replacement | The importance of having a good roof deck

Do I need to install plywood over ship lap / tongue & groove decking? Over time, shiplap fir wood resin dissipates, causing the boards to shrink, crack, form knot .

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WCD 2 - Tongue and Groove Roof Decking - American Wood .

Timber tongue and groove decking is a specialty lumber product, constituting an important part . that can be used for many applications to provide an all-wood appearance. . all that& 39;s needed to design and construct tongue and groove wood roof decking, . Where can I find information on tongue and groove roof decking?

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