For over 40 years, NAPCO by Plygem has manufactured high quality vinyl siding and exterior design products. NAPCO siding is subject to the toughest scrutiny: our own. We test the quality and performance of every product to assure that it will look great on and protect your home. Then, we back it with a NAPCO Limited Lifetime Transferable Warranty. Learn about insulated vinyl siding or request a NAPCO siding quote online.
American Essence™, with it's tough, three layer InsulCore™ Design, will ensure the best performance and give your home a quiet contentment.
Panel locking systems ensure siding panels fit snug against exterior walls.
Colors: NAPCO siding has 10 standard colors to complement any home and four dark premium Signature Series colors with extra UV and sun protection for a fade resistance finish.