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MoistureShield, a division of Oldcastle APG, a CRH Company, has for more than 30 years helped families create beautiful outdoor environment that last for years to come. Go beyond the expected with MoistureShield® wood composite decking, the industry leader for protection and innovation. Our offering provides beautiful options for every project, so you can create bold and inspired outdoor living spaces that stand up to the effects of weather and wear. All our products are protected to the core for unbeatable performance in virtually any environment — from underwater to above the ground — so you can rest assured knowing your investment will last a lifetime. Excel Through Innovation From our Solid Core to our exclusive wood composite caps, our MoistureShield composite decking boards are designed to defy the elements and inspire better living for years to come. That’s why we keep a constant focus on innovation to ensure guaranteed performance and zero structural field failures. We’ve kept our promise for more than 30 years. Defy the Elements Engineered to last a lifetime, our products stand strong under virtually every condition. Our innovative boards provide unparalleled protection from extreme weather, impact and pests. We help create a worry-free outdoor living space that’s covered with a comprehensive warranty. Inspire Better Living Extend your living space with a more enjoyable outdoor environment. Our composite decking products help create inspired spaces for every lifestyle. Our offering includes curated colors, gorgeous finishes and exclusive performance benefits to meet any design need.