Can you roof over existing shingles?

Can You Lay New Roof Shingles Over Old? | Networx

Palau Roofing Contractors | Palau Roofers | Commercial Repair and ...
The answer is yes, you can lay new roof shingles over old ones. ... You can't do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition. Otherwise you're just putting lipstick on a pig.

Which is better light or dark roof shingles?

How to Choose a Roof Color: Seven Things to Consider

Different Types of Roofing Materials |
Light shingles deflect sunlight and help keep temperatures down in hotter climates, while dark shingles absorb heat and help homes stay warm in colder climates. Dark shingles also help snow and ice on your roof melt faster.Jun 3, 2016
Residential Metal Roofing – Benefits And Incentives | The Home ...

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