Mastic & CertainTeed Vinyl Siding

Contractors and homeowners all over America know Mastic as the premium vinyl siding ... the brand that's proven itself with products that perform better and keep their beautiful looks longer. Since producing the first vinyl siding, Mastic has lead with innovative design and engineering. Mastic developed Duranyl®, a superior formulation for exceptional durability and invented the T-lok® panel locking system which set the industry standard. And there's more behind the Mastic brand. Each product is backed by Alcoa, a name that inspires confidence with its reputation for leadership and quality.

That's why Mastic has been the choice of Contractors and homeowners for nearly 70 years ... the premium vinyl siding. Trusted For Generations™.