How many layers or ‘plys’ make up your flat roof? A three- or four-ply interlining (under the roof coating) is generally better than two. Expect a multi-layered flat roof to last 15 to 18 years.

If you can paint, you can probably seal your flat roof DIY-style, but even if you have to hire someone, it’s not a terribly expensive job.

For Troy Gilchrist, hitting the roof is a positive thing. Owner of A1 Insulation and Coatings in Buffalo, Gilchrist brings 25 years of experience and top customer service to commercial clients who ...

Even the best traditional flat roofs only last a few decades ... the roof coatings you can buy at a hardware store that can help extend the life of your flat roof, which are applied like paint.