Remodeling and Home Design
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Decks & Porches in St. Louis

install1-mdinstall2-mdphoto3-mdWhen choosing an underdecking system for your home, you want to choose a system that will perform flawlessly – and hold up year after year.  You deserve a system that will provide value and look amazing as a part of your outdoor space.  The RainTight Under Deck System is specifically designed to take the water, from rain or snow, and collect it after it falls through the slats of your deck - and divert it away from your house through a gutter system.  The RainTight Under Deck System provides a clean and upscale look, while functioning season after season.  RainTight Underdecking is engineered for complete water diversion for any style or size of deck.  RainTight panels and gutters provide a seamless design resulting in a completely RainTight Deck that stays dry underneath!

Local and Nationwide Availability


For our Missouri, Kansas, and Illinois Customers - Our professionally trained estimator will come to your home and measure your space. We will design the space and provide you with a detailed proposal for your system. RainTight manufactures all of the RainTight Under Deck components – to the exact size of your deck. You will not have to pay for any extra material from suppliers due to length or size restraints. We custom make each and every piece in order to minimize cost and installation time.


For customers across the U.S. – RainTight has designed and delivered the RainTight Underdeck system to customer from California to Maine!  We can design – produce – and deliver your under deck system with the same attention to quality and performance.  RainTight has provided affordable high-quality under deck systems to customers and contractors for installation.  Our individualized attention to each and every RainTight Under Deck System remains the core value for our success!