can you put plywood over existing deck

Installing New Deck Boards Over a Solid, Existing ... - Extreme How To26 Sep 2016 ... During earlier repairs I had noted that the deck framing was pressure-treated 4×6, that old fasteners were holding well and that new fasteners were going into solid wood. We were thinking ... In our case, we marked the original deck board ends by stretching a string line over the ends and driving stakes so we could get the string on the same line when the new deck boards were installed. ... the deck. I put at least one screw through the trim board into each deck board.

Re-roofing over existing roof - SERVING BREVARD AND INDIAN ...However, being installed over an existing roof is like playing Russian Roulette not know if there is any damage to the roof deck or trusses and the life expectancy will be considerable less. 6. Now the good news! If you remove the old roof and underlayment replacing any damaged wood, by code the roofer is required to re-nail the roof decking with longer nails (8d 2 1/2" long) on 6" centers and install a SWR (secondary water resistant) with is actually self adhering membrane, which ...

How do I attach plywood over 2" x 6" deck boards in preparation ...The proper answer to your questions is "find the manufacturer of your vinyl and follow their installation guidelines". They can give you answer to all of the questions that you are asking.

Deck Requirements for Existing Deck Boards - GAF Roofing27 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? When roofing over an existing deck, the following requirements must be met: The deck ... the performance of the decking or problems with the shingles caused by the deck or substrate. Where can I Get More. Information? GAF Technical Services can Assist you with these and other questions you may have regarding.

Roof Sheathing - Forum - Bob Vila5 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. The damaged sheathing will not be replaced. Is this an adequate repair for this problem. What plywood thickness should be used. I am very concerned. The roof is ...

Roofing Tricks : Roof preparation , Shingles installation, Wood ...18 May 2015 ... ... with space sheathing, People that don't know about roof specs, think you need to install solid plywood over the space sheathing, That's wrong ! No ICBO calls for resheathing over space sheathing unless you have 1 inch space or more, examples are : when shakes were installed back on the 1930's and wood shakes also were installed over 2' inch space sheathing, in those cases you have to install plywood over the existing to make it soli

Building a Roof Over a Deck or Patio - HomeTips17 Aug 2017 ... Building over an existing Slab Building on an existing deck. If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overhead's weight, you will have to pour new footings around the slab's perimeter or break out sections and pour deeper footings. For information on ... 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.

When to cover over or pull off shingles | Remodeling | Roofing ...9 Jul 2003 ... you could be spending $750 or $800 in dump fees," contractor Jim Lydon points out. For all those reasons, Lydon tells clients it's OK to roof over existing shingles if (1) it's a relatively new building and "basically up to code"; (2) the old shingles are "nice and smooth," providing a relatively even surface for reroofing; and (3) the beams and boards of the roof structure are in good enough shape to hold a nail. Wood damage. Hank Jaworowski, owner of Contemporary ...

Plywood Roof Sheathing | Don't put new roof sheathing over old ...26 Aug 2001 ... can new plywood be installed on a 40-year-old roof without removing the old? Roy Gingrich of Ellicott City has a 40-year-old house with an asphalt shingle roof surface. The existing asphalt shingles need replacement, so he plans to do a tear-off and re-shingle. Because the plywood roof sheathing under the shingles has become brittle and weak, he plans to install new plywood as well as new shingles. But can he simply install new plywood over the old plywood ...

code compliance - Can you skin over an existing roof deck that is ...It hard to say without seeing the structure but it sounds like the decking was under engineered for the weight of asphalt shingles to begin with. 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 leaving extra ... except 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.

roofing - Roof Decking: Plywood/OSB over skip sheathing (decking ...OSB or plywood over skip sheathing makes for a much stiffer roof deck, resists problems with expansion better, and obviously doesn't require all the hassle of removing it. After you strip ... What I found, was that the sheathing was not a consistent thickness which made laying osb or plywood on top quite difficult. Granted, these ... Additionally, what will you do if you find that one or two (or a dozen) of the existing planks are not sound and need to be replaced? Finding a ...

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