Install Tin Roof Over Existing Shingles

The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof.

Install tin roof over existing shingles.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. 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. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Start putting the metal panels.

Step by step guide step 1. Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. Make a slat board base on top of the shingles. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

Install your metal edging around the perimeter of your roof. But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended. Install the metal edging.

Yes you can install a metal roof over shingles. The low weight of metal roofing is one thing that encourages this. However you ll want to check with your local building department before you make any decisions. Your goal with the roofing felt is to make sure everything is as.

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Use 1 1 4 inch. Lay down roofing felt over the entire roof. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

How to install a metal roof over shingles.