Pro-Trim is the perfect complement to all vinyl exterior products. It is easy to clean and work with. Bendable and cuttable on any brake. Many shapes can now be bent that would be impossible using aluminum.

KOMA Trimboards won't swell, rot, split, delaminate, or cup under harsh conditions.

Performance, low maintenance, workmanship and peace of mind are what homeowners have come to expect from Mastic's variety of traditional vinyl, aluminum or insulated siding products.

Enhance you home with window, door and gable decorative accents.

From lap styles to shingles and shakes to insulated siding and designer accents, there are Ply Gem siding products in the style, color and price range you need.