What s involved in how to install metal roofing.
How to lay metal roofing over shingles.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Here are some pros and cons.
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.
How to install a metal roof over shingles what to consider when putting a steel roof over asphalt shingles.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Can i install a new metal roof over shingles.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
Metal roofing is also available in the form of shingles.
Otherwise you will need to remove the shingles.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Covering your existing asphalt shingles with metal roofing might be worth the expense.
Yes you can install a metal roof over shingles.
Need a new roof.
Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.
Remove the old roofing.
However you ll want to check with your local building department before you make any decisions.
Anatomy of a steel roof.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
We get asked this question all the time.
Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
This is by far the most common way to install a metal roof.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.