Mastic (Ply Gem) roofing, reviewed.
Is Mastic (Ply Gem) a good roof brand? Here's the honest rundown - real product lines, warranty, cost, and the pros and cons - plus vetted local pros who install it.
Written by Priya Sharma
Reviewed by Michael ThompsonMastic (Ply Gem) is a metal roofing brand (Founded 1938, Cary, NC). Mastic by Ply Gem is mainly a siding brand, part of Cornerstone Building Brands. It also makes metal roofing accents, soffit, fascia, and trim for the outside of a home. If you want a full shingle roof, Mastic is not a primary maker. Mastic metal roof accents and trim vary widely; a full metal roof from a true roofing maker runs about $14,000-$40,000 installed in 2026. HomeMatchup matches you with a few vetted local pros who install Mastic (Ply Gem) roofs - so you get a fair price and a right install. It's free, with no spam.
Popular Mastic (Ply Gem) product lines.
Mastic Vinyl Siding
Its core product, not roofing
Metal Roofing & Trim
Metal panels, soffit, and fascia for accents and porches
Aluminum Soffit & Fascia
Trim that finishes off the roof edge and eaves
Mastic (Ply Gem) pros and cons.
We call it straight - where Mastic (Ply Gem) shines, and where it doesn't.
What's good
- Backed by a large parent company (Cornerstone Building Brands)
- Strong choice for siding, soffit, and fascia
- Lifetime limited warranties on many products
- Good for finishing roof edges and small accent areas
What to watch
- Not a primary maker of full shingle or metal roofs
- Best known for siding, so roofers may steer you elsewhere
- Roofing product range is limited compared to true roofing brands
Best for: The homeowner doing a full exterior project who wants matching siding, trim, and metal accents from one brand.
What does a Mastic (Ply Gem) roof cost?
Mastic metal roof accents and trim vary widely; a full metal roof from a true roofing maker runs about $14,000-$40,000 installed in 2026. Your real price depends on your roof size, pitch, and ZIP. The smartest way to get a fair Mastic (Ply Gem) price is to compare a few written quotes from vetted local pros. See the full roofing cost guide →
Mastic (Ply Gem) roofing questions
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