Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Can you put a metal roof on a flat roof house.
Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run.
Here are some pros and cons.
Steel roofs can be noisy and unattractive in residential settings.
Let s take a look at the most common types of metal roofs for houses.
The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing.
Consider asking friends to help or hire day workers.
How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
Traditionally metal roofs have been built out of terne which is tin steel alloy or copper.
Here how they can make the job easier on you.
Metal metal has been used on flat roofs for many decades and it has proven that it is durable and can last about 35 years.
Do a perimeter check.
Once the roof is clean laying a new roof is not difficult.
A crew swoops in to rip off your roof and put it back together.
Ask the driver dropping off the debris container to protect your asphalt driveway by placing wood blocks like scraps of 2 6s under the wheels to distribute the weight.
Much past the 35 year mark though and you ll start to see problems with the roof.
The most difficult part of the project is removing the old roof and scraping the roof clean of debris.
Although it is durable it will produce a little noise if rain or wind occur.
Plus it has the added advantage of reflecting heat from the sun which keeps energy costs down.
Often the material used is not actually tin but galvanized steel or aluminum.
Installing a metal roof on a mobile home can be a do it yourself project saving you a lot of money.
However if the steel roof is installed over an existing asphalt roof noise shouldn t be a problem.
Can metal roofing be used on a low slope pitch roof.
Flat metal roofs can last for almost 35 years in ideal conditions.
Metal is one of the most popular materials used for flat roof replacement.