Re Roof New Osb Deck Over Wood Shake Shingle Roofing




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Re-roof: new OSB deck over wood shake/shingle Roofing

Jun 14, 2011· My question here is, again, is there anything that absolutely prohibits the installation of OSB sheathing on top of wood shingles or shakes. In that case, the subsequent layer of asphalt shingles would not be a direct installation over the wood shake/shingle.

Asphalt shingle re-roofing guidelines: how to do a roof

Notice that in re-roofing the starter strip is an inch less in width than when installing new shingles over a fresh roof-deck, shown in our asphalt shingle roofing guide at ASPHALT SHINGLE STARTER COURSE INSTALLATION That's to avoid a raised ridge and to let the new full shingle course lay flat atop the original shingles.

Shake & Wood Shingle Replacement | Wood Shakes

A new shake roof cannot be installed on top of an existing shake roof as the surface is too irregular. It must be torn off down to the roof deck. However a new shake roof or wood shingle roof can be installed on top of an existing wood shingle roof. This is referred to as an “overlay.”

Why Do We Need to Re-sheet Over the Existing Shiplap on

If you’re wondering why the roofers can’t just install new shingles and roofing accessories over your existing roof deck, this article will guide you through one of the most common reasons: your roof deck may be shiplap. If you’re replacing your cedar shakes roof, check out our discussion of re-sheeting over

Wood Roof Sheathing & Underlayment Requirements

This article discusses the requirements specifications for roof sheathing nailers or plywood or osb and underlayment roofing felt for wood shingle wood shake roofs, including Roof decking needed under wood shingles/shakes: roof sheathing requirements, Underlayment roofing felt requirements under wood shingles shakes, Using a shingle course felt interlayment on wood roofs, Using...

Can You Lay New Roof Shingles Over Old? | Networx

Installing new roof shingles over old effectively doubles the weight of the roofing, so you have to make sure your roof structure can handle the extra load. That's also why building codes commonly limit re-roofing to no more than two layers.

2nd Layer Of Plywood Over Original Shingles Roofing

Jul 29, 2008· No. Under that sheathing was a 2 layer shingle roof on top of the original decking, which was covered up by the gutter apron drip edge metal in the areas we set up the ladder to do our inspection and base our estimate on.... a pile of shingles, a pile of OSB... We have seen this a few times and new decking over old layers and old decking...

Asphalt shingles over wood shingles Exterior Inspections

Apr 10, 2008· Real important is that depending on jurisdiction, they may not allow re-installation of wood shingles or shakes. Most roof covering materials require a solid roof deck. That may mean ripping off spaced sheathing usually boards and replacement with OSB or plywood.

Reroofing Over Asphalt Shingles HomeAdvisor

Reroofing Over Asphalt Shingles As a roofing contractor doing business in my hometown for more than 20 years, I consider it my obligation to give customers the best value for their money. When their asphalt shingle roof has reached the end of its life, most people assume their only option is to strip the roof to bare sheathing before a new roof...

Roof Decking—How to know if it's needed—Bill West Roofing

Aug 21, 2018· In the first half of the 20th Century, roofs in Missouri were built with wood shingles over planks spaced about 1 ½” apart. Wood Shingle are expensive so when these roofs need to be torn off and replaced, it is cheaper to resheath the entire roof and go over it with asphalt shingles than to go over with new wood shingles.

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Re-roofing or Roof-Overs with Wood Roof Shingles & Shakes

Re-roofing with Wood Roof Shingles or wood Shakes How & when to re-roof or re-cover a roof with wood shingles or shakes Best practices for replacing a wood shingle or wood shake roof Best practices for roofing over an asphalt shingle or existing wood shingle/shake roof with new wood shingles or shakes. Questions & answers about roofing over an existing roof using wood shingles or shakes

Asphalt shingle re-roofing guidelines: how to do a roof

Notice that in re-roofing the starter strip is an inch less in width than when installing new shingles over a fresh roof-deck, shown in our asphalt shingle roofing guide at ASPHALT SHINGLE STARTER COURSE INSTALLATION That's to avoid a raised ridge and to let the new full shingle course lay flat atop the original shingles.

Deer Park Roofing Wood Shake Roof, Cedar Shakes

This is a before photo of a recent Cedar Shake Re-Roof project performed by Deer Park Roofing, Inc. The scope of work included removing the old shakes, installing Certi-Label Fire Treated Wood Shakes, and installing new half round copper gutters. The gutters are installed first so the straps can be fastened directly to the roof deck.

Cedar Shingles Roofing Contractor Talk

Jul 15, 2008· I'm doing a re-roof that has 3 layers of existing asphalt shingles over top of 1 layer of old cedar shake shingles. I tore off all of the asphalt shingles already and I will be doing a full re-deck of OSB. My question is can I put the new OSB sheathing over top of cedar shake shingles or do I have to tear them off and waste the time and money?

Can You Lay New Roof Shingles Over Old? | Networx

Installing new roof shingles over old effectively doubles the weight of the roofing, so you have to make sure your roof structure can handle the extra load. That's also why building codes commonly limit re-roofing to no more than two layers.

2nd Layer Of Plywood Over Original Shingles Roofing

Jul 29, 2008· No. Under that sheathing was a 2 layer shingle roof on top of the original decking, which was covered up by the gutter apron drip edge metal in the areas we set up the ladder to do our inspection and base our estimate on.... a pile of shingles, a pile of OSB... We have seen this a few times and new decking over old layers and old decking...

Shingle Roof Replacement | New Shingle Roofing

New OSB or plywood can be installed on top of the existing solid sheeting. Space sheeting is usually installed for a wood shingle, shake, and some tile roofs. Space or skip sheeting is 50% coverage of the rafters, the plane of the roof/board, space, board, space. A composition asphalt shingle roof has to have a

I had new roof put on in Jan. They put new plywood on over

I had new roof put on in Jan. They put new plywood on over the old. Now the shingles are popping up & moderate lumps. What's wrong? Is it ok to put new roof composition shingles over old shingles that were laid 25 years ago on new 3/4 plywood?

Roof Decking—How to know if it's needed—Bill West Roofing

Wood Shingle are expensive so when these roofs need to be torn off and replaced, it is cheaper to resheath the entire roof and go over it with asphalt shingles than to go over with new wood shingles. It is very important to examine this type of deck carefully. Splits can form in the planks, and they WILL get longer from the heat in the attic.

roofing Roof Decking: Plywood/OSB over skip sheathing

Then an asphalt shingle re-roof over that that makes 2 roofs in 60 years, thanks previous owners!. I have repairs and upgrades to make now and potentially would like to put a whole new roof on eventually. Can I just strip shingles and shake, then put new decking ON-TOP of the skip decking considering it is in good shape ?

OSB on top of cedar shake roof InspectionNews

Sep 22, 2009· If you install plyboard or OSB over the existing covering after removal of all 3 layers of composition shingle, you are still left with wood shake and as sometimes happens, you have a hurricane come through S Carolina and remove your roof, you will more than likely be buying the whole roof yourself with no insurance coverage due to an improper install.

How To Replace Shingles And Roofing Plywood | RoofCalc.org

Lets look at different issues that may arise when you install a roof over existing shingles and/or damaged plywood. 1) Roof will not be properly nailed. Most contractors use 1 1/4″ long nails on new construction projects. This meets the code, but isn’t good enough in my book. A 1 1/2″ or 1 3/4″ long Home Depot roofing nails hold much...

Wood shakes and wood shingles | Everybody Needs a Roof

Interlayment felts are required for pine shakes. Roof deck Wood roof systems may be applied over continuously or closely spaced wood decking or over a spaced, sometimes referred to as "skipped," sheathing. Solid roof decking or sheathing should be used in areas of the roof deck where an ice dam protection membrane is required.

Residential Roofing Photos by Caldwell's Roofing

The three homes featured above were re-roofed by Caldwell’s Roofing, with before and after pictures taken. Roof #1: Re-Deck & Re-Roof. The first roof in the slideshow of residential roofing photos was a good example of some rare cases where a second layer of decking is needed, in addition to changing out the shingles.