Can you put steel roofing over asphalt.
How do you install a metal roof on a house.
Here are some pros and cons.
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.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Before you install metal roofing repair any damage to the wood under the shingles.
Let s take a look at the most common types of metal roofs for houses.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
If you choose to omit the plywood from a residential construction install a vapor barrier between the purlins and the metal roof or plan to spray closed cell foam insulation between the rafters to eliminate the temperature differential between the air in the building and the metal.