Install Tin Roof Over Existing Shingles

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.

Install tin roof over existing shingles.

Install the metal edging. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle 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. 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.

Step by step guide step 1. The low weight of metal roofing is one thing that encourages this. Yes you can install a metal roof over shingles. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Lay down roofing felt over the entire roof. Getting an accurate measurement will help you determine the. How to install a metal roof over shingles. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

However you ll want to check with your local building department before you make any decisions. Make a slat board base on top of the shingles. 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. Use 1 1 4 inch.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Start putting the metal panels. Get a precise measurement of your roof surface. Install your metal edging around the perimeter of your roof.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.