Putting Metal Roof On Top Of Shingles

Here are some pros and cons.

Putting metal roof on top of shingles.

By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida. A metal roof can be installed over a shingle roof but you ll need to make sure the plywood under your shingle roof is in good enough shape to handle a new metal roof over top.

Most codes now allow no more than two layers of roofing before. Need a new roof. These systems aren t attached to a frame but instead install directly on the old roof. Things to know about metal over shingle roof problems.

Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. Put the steel down directly on a vapor barrier.

It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Can you put metal roof over shingles. After all you ll be making a significant and long term investment. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.

Metal roof over shingles condensation. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Let s take a look at the most common types of metal roofs for houses. Can you put metal roof over shingles.

Covering your existing asphalt shingles with metal roofing might be worth the expense. Consequently they don t have the same ventilation advantages.