As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Metal roof over garage.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
Start at the highest point and the furthest point from the trash container and take off all the old.
Though metal roofing sizes can vary based on the material the panels are made from both metals are formed into two basic types of roofing panels.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
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Steel roofing can be costly but it is a lifetime investment.
If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.
Corrugated or standing seam.
3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.
This is by far the most common way to install a metal roof.
Exposed fastener galvanized steel roof panel in evergreen model 0410117176 33 07 33 07.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Corrugated panels alternate ridges and valleys and are installed with ridges and valleys overlapped at seams.
Metal roofing is galvanized steel or aluminum.
Classic rib steel roof panel in charcoal model 2313417 39 84 39 84.
Can you add metal roofing over shingles.
In most cases metal roofing and installation is more expensive than asphalt.
Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing.
Noise is usually not a factor if you are installing a steel roof over asphalt.
However there are expensive architectural shingles that cost more than lower cost metals like aluminum.
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Is metal more expensive than asphalt to install on a roof.