Or if all the sheathing will be replaced.
Muдequitos in a bundle of roofing.
The roof joists beams etc.
The roof will not be entirely flat as you will need to plan for rain water drainage via water drains placed strategically within the roof surface.
Cr tests only asphalt shingles but below we also offer information about faux slate and composite tile.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
A metal roof can last 50 years while slate roofs can last more than 100 with diligent upkeep.
One of my builders loads the roofs but stacks them like dominoes hard to grab shingles since i have to bend over for every bundle.
One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof.
No permit is required for a job where you roof over an existing layer or replace only part of the roof sheathing second cold process application of modified bitumen roofing is best done in warm dry weather.
The system includes all the.
If installing a new roof on a bare roof deck cut 6 inches off the first starter course shingle and apply the rest of it on the lower corner of the roof overlapping the rakes and eaves by 1 2 inch.
A look at different roof installation methods.
On laminated shingles this nail spacing is not as immediately apparent as it is on three tab shingles where the nails are placed above the cutouts.
How to install a roof over an existing roof.
Could have been.
I have roof top delivery for every roof except a small multi layer steep tear off every now and then.
Roof coverings are addressed in chapter 15 of the ibc and chapter 9 of the irc.
The other builder i load so i usually make three stacks for a 30 35 sq house.
The standard nailing for asphalt shingles is a four nail pattern with nails placed 1 inch from each end of each shingle and then two nails placed 12 inches in from the end nails.
However there are some things that you will want to check out before doing it this way.
1 bundle of arcs in a little over a minute with a feeder of course my feeder at the time was my right hand man he kept supplied with shingles faster than i ever could by myself.
