Georgia-Pacific Vinyl Siding and Accessories are manufactured by Ply Gem. At Ply Gem, we have families, too, and we know the importance of getting good value for your money. We engineer products that are durable, long lasting and designed to hold up to life. To help protect your investment, we offer the most comprehensive warranties in the business. In short, Ply Gem stands behind every product, every day. If you have an issue, we want to know about it.