Diy Metal Roof Over Shingles

Metal roof over shingles condensation.

Diy metal roof over shingles.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. 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. Let s take a look at the most common types of metal roofs for houses. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Can you put metal roof over shingles.

Most codes now allow no more than two layers of roofing before. Also don t go up on the roof if it s windy. Whether you choose to go the do it yourself route or decide to hire a pro installing a new metal roof can be a sound and worthwhile investment in your home. Consequently they don t have the same ventilation advantages.

Air pockets are indeed a great way to further insulate the roof. Covering your existing asphalt shingles with metal roofing might be worth the expense. Alternatively a metal shingles roof can be installed over the old asphalt shingles if you do not want to tear it off provided there is only one layer of existing shingles on the roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

Here are some pros and cons. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Provided the roof deck is in good shape installing an appropriate standing seam metal roofing such as batten seam over purlins is a viable way to install a new metal roof over the existing asphalt roof. Start at the highest point and the furthest point from the trash container and take off all the old.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. These systems aren t attached to a frame but instead install directly on the old roof. If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over. 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.

Otherwise you will need to remove the shingles. Need a new roof.