This question may be a bit odd.
Shiplap roof sheathing.
84 lumber offers top of the line roofing materials and roofing supplies.
As roofing contractors in seattle we are often asked why do we need plywood over our old solid sheathing.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
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Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap.
Question says it all.
My house is from 1950.
Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.
84 lumber partners with some of the biggest name in windows.
If you have shiplap on your home the best thing you could do when reroofing to avoid a serious and expensive repair later on down the road is to insist on having your roofing contractor install new plywood sheathing decking.
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This is the most reliable and proven method of reroofing your home under today s roofing industry standards.
Take a look at this vide.
The keyword here is solid it used to be standard to use shiplap 1 boards tongue groove or other boards for the roof deck.
The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.
Sheathing is 1x8 shiplap boards actual dimensions x7 with x rabbets.
Roofing gutters and all waterproofing anywhere plywood sheathing vs.
Roof is 1 layer of 3 tab asphalt shingles that are in need of replacement it will be a full year off.
Knowing what to do and when to do it makes the job go easier.
I m building a solid patio roof and was planning on using 1 2.
Until the 1940s exterior grade plywood was not available.
The boards are not butted tightly.
Was your roof originally built with shiplap.
I have conflicting roofers telling me that i need to either a not worry at all about putting a new roof over shiplap or b i absolutely must re sheet the house with plywood over the shiplap before putting on a new roof.
There is probably about a gap on average.
