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code compliance - Can you skin over an existing roof deck that is ... 24 Mar 2012 ... You could put the OSB overtop but by the time, you clean that surface up (pull nails, etc) and adhere the new surfaces together, you might as well strip it. You're also ... for a few places. I'm also a fan of tearing off, but unless the plywood is rotten (in the falling apart sense), I would probably just skin over it.

How to Install New Sheathing Over Old Spaced Sheathing for Re ... 14 Jul 2016 ... ... Click on this link for more information about roofing repairs, home building and remodeling. This video will provide you with a few ideas and methods I used in the past for installing new roof sheathing like plywood or oriented strand board over spaced one by six...

Roofing: Why do we need plywood over our old solid sheathing ... As the boards to do the roof deck were manufactured here in the Northwest it was still more economical than plywood through the '60s. If your home was built prior to ... Heavier underlayment can be put down first but over time it will sag into the spaces (as shown by the black lines in the drawing). When a nail ends up in the...

Plywood Roof Sheathing | Don't put new roof sheathing over old ... 26 Aug 2001 ... But can he simply install new plywood over the old plywood sheathing to avoid the extra time, expense and attic debris that he believes removing the old ... shingle roof typically weights between 225 and 300 pounds per square, the extra plywood will significantly increase the weight of the roof you install.

Roof Sheathing - Forum - Bob Vila 5 Jul 2004 ... I agreed to continue with the purchase after the owners agreed to an addendum to the purchase offer requiring them to install a new roof to include sheathing/decking. I recently got a copy of the contract with the roofer and discovered that new plywood will be installed over the existing damaged plywood.

Plywood Decking: A Good Alternative? | DoItYourself.com 2 Dec 2017 ... This is not to say that plywood decking does not make a good alternative to individual boards. Plywood decking is essentially thin sheets of wood glued together to make a thicker sheet. The plywood decking is installed on top of the decking joists in one or more large sheets instead of individual pieces.

Building a Roof Over a Deck or Patio - HomeTips 17 Aug 2017 ... To install a masonry anchor, use a drill with a masonry-bit attachment to make a hole large enough for a 1/2-inch expanding anchor bolt. ... Where local building codes allow this practice, you can bolt a patio overhead's posts directly to existing deck beams, joists, or other heavy structural members. Or, you...

What Kind of Covering Can You Put Over a Wood Subfloor on an ... If your existing deck subfloor is level, you can install an overlay made of weather-resistant composite materials manufactured to resemble real wood or tile. Overlay products come in interlocking tiles or strips and, while they are more expensive than some outdoor decking products, they last for years. The caveat here is that...

How to Install Composite Decking Over Wood | Hunker 26 Mar 2010 ... Remove the Wood Decking. Depending on the size of your deck, you could save two or three days' work by installing new decking boards directly over the old ones. One important reason to avoid doing this is that the deck foundation may not be able to handle the extra weight. Another reason is that the...

Deck Requirements for Existing Deck Boards - GAF Roofing 27 May 2011 ... minimum thickness, C-D Exposure 1 APA Rated, plywood or OSB over the wood planking. What Are The. Requirements For An. Existing Deck? ... approved deck must be installed over the deck boards. ... GAF Technical Services Can Assist You… with these and other questions you may have regarding.

Should You Lay Plywood Over Plank Sub Floor? - Wood and Beyond 1 Sep 2014 ... If you've got a plank sub floor and are looking to install a new wooden floor, then you're highly to be debating the pros and cons of laying your new floor directly on the old plank sub floor, or introducing a layer of ply. As any regular reader of this blog will know, if you're laying a new wood floor over an old...

10 Easy-to-Install Decking Tiles - Better Homes and Gardens When wood decking won't do, try something a little harder. StoneDeck tiles give the look of patio pavers without having to uproot your existing deck. The tiles are designed to replace elevated wood decks. The panels connect through an interlocking system that fits over standard 16-inch joists and can support 4,000 pounds...

Roof Installation Guide: Remove Old Shingles & Repair Sheathing 18 Oct 2017 ... One such dangerous way to save money is to install a new roof over the old layer of shingles, instead of tearing it off. Another, is to ... That was an immediate call to alter the job specs – we simply could not install a new roof onto the existing plywood. .... Wood Deck Rotting On Roof With No Underlayment.

What Are Deck Tiles? - BuildDirect Building a deck can seem like a daunting task to a novice handyman, but deck tiles make it easy and fast. In a matter of hours, you can transform a tired balcony, porch, or sundeck from boring and ordinary to a stunning outdoor living area your family and guests will love. The best part is that you can lay deck tiles over...

Putting plywood over plank decks - The WoodenBoat Forum ... 17 Mar 2011 ... So I'm ready to rip up the canvas and put plywood, Dynel and epoxy over it. So my most immediate questions (other than why this shouldn't be done) are what type of plywood, and what to bed the plywood in over the very slightly uneven planks? Also, how to handle the cloth at the scupper side? I realize...

When to cover over or pull off shingles | Remodeling | Roofing ... 9 Jul 2003 ... Tearing off the old shingles can add anywhere from a few hours to a day to a roofing job. It can also raise the cost of the job from 25% to 50%. And then there's the problem of disposal. On Nantucket Island, Mass., for instance, shingles cost $250 a ton to discard. "Say you're doing a 30-square roof.

Can DekTek Tiles be installed over your existing deck? - Houzz 23 May 2016 ... DekTek Tile can be installed over your existing deck but there are a few stipulations that your old deck must meet first: Your existing deck must be in good enough shape to install DekTek Tiles over them. If you have a rotting old deck where the wood deck boards are about to give way, it would not work to...

Decking/Sheathing Case Study - Donan - Forensic Engineering ... 1 Oct 2014 ... To reduce the risk of shingle buckling, you can cover the boards with 4'x8' nailable decking which could be plywood, OSB, or COM-PLY, or cut ... For example, one of the GAF bulletins states that when roofing over an existing deck, “The deck boards must have been in place for a minimum of 5 years.

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