In a shingle over if some of the decking has buckled and warped over the years it likely isn t going to be noticed and fixed.
Shingle over rolled roofing.
Rolled roofing is very adaptable and can be cut into 12 inch by 36 inch strips to act as hips and ridges or 9 inch strips for eaves and rakes.
Not to mention that the prices of roof shingles may vary based on the material.
However asphalt shingles also offer several advantages.
The malarkey know your roof blog is an educational resource for homeowners and roofing industry professionals.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
In most cases rolled roofing is much cheaper and easier to install.
It differs from other types of roofing which typically come as shingles in that it is one piece of material.
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Rolled roofing is generally more affordable and budget friendly than roof shingles.
To cover a 36 x 36 foot section you may need 1 296 individual shingles.
Of course the production costs for rolled roofing is significantly lower because it requires less effort to put asphalt on a large roll than making individual roof shingles.
Roll roofing is a lightweight comparatively inexpensive roofing material that s sold in a large roll.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Things you ll need rolled roofing razor knife trowel brush hose measuring tape ladder roofing cement 1 inch 2 5 cm long roofing nails hammer chalk.
This can lead to increased rot mold and decrease the structural integrity of your home.
Leak around a dormer which the homeowner never knew about long term effects of shingling over shingles.
12 standard rolls of rolled roofing can cover the same area.
If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
One shingle typically covers one square foot.