Mastic T-lok Barkwood is the best-selling vinyl siding in America. Now, Barkwood is thicker, stronger and more durable than ever, offering a lifetime of enduring beauty that adds value to your home.

Over 30 years of proven performance and customer satisfaction.

Thicker is Better: T-lok Barkwood features .048" thickness with rich wood grain texture, making it tougher, more durable and longer lasting. As the seasons change, it stays straighter by resisting the expansion and contraction effects of changing weather and temperatures. Barkwood holds its shape so well, it can conceal minor imperfections in the sidewalls of your home. This rigid thickness ensures clean, crisp lines to enhance the classic beauty of your home.

Color Clear Through: The Duranyl^® formula offers high-impact resistance, resists scratches and nicks, and possesses superior weatherability for colors that last.

VIP Limited Lifetime Warranty: The quality of Mastic siding means durability--backed by the strongest warranty in the industry.

Fade Resistance: The added high-performance polymer, GELOY^®, manufactured by GE Plastics, makes even dark colors more fade-resistant.