Install Tin Roof Over Existing Shingles

Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Install tin roof over existing shingles.

Start putting the metal panels. Step by step guide step 1. Use 1 1 4 inch. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

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. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Getting an accurate measurement will help you determine the.

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

Install the metal edging. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Install your metal edging around the perimeter of your roof. Get a precise measurement of your roof surface.

Make a slat board base on top of the 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. 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. 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.

Your goal with the roofing felt is to make sure everything is as.