Double the Use of Your Deck
OUR PRODUCTS
All DEK Drain® under deck drainage products come with a fully transferable lifetime warranty, so you never have to worry about
your investment being washed away.
TOPSIDE®
Designed with new deck construction in mind, our patented Topside® panels are attached to the top of your deck’s joists before any deck boards are fastened to create dry, functional, and hospitable space below. Topside® captures rain that pours through the surface of your deck, while protecting the deck frame against moisture and deterioration. The DEK Drain panels are pre-cut to width and length (one panel for each bay) so there is no waste on your job. This provides the ultimate in deck drainage systems.




TOPSIDE®
Designed with new deck construction in mind, our patented Topside® panels are attached to the top of your deck’s joists before any deck boards are fastened to create dry, functional, and hospitable space below. Topside® captures rain that pours through the surface of your deck, while protecting the deck frame against moisture and deterioration. The DEK Drain panels are pre-cut to width and length (one panel for each bay) so there is no waste on your job.


UNDERSIDE®
Protective panels – custom fabricated from a long-lasting, thick rubber membrane material and pre-cut to match your deck’s specific measurements – are attached to the bottom of your deck’s joists, capturing water that slips through the surface boards. Intended for existing decks, our Underside under deck drainage systems are easy to install without the use of sealants or caulk.
UNDERSIDE® RECESSED
Fitted up and into the bays formed between joists, our Underside Recessed system allows users to install a finished ceiling with lighting, fans, and additional electrical accessories under their decks.






UNDERSIDE® RECESSED
Fitted up and into the bays formed between joists, our Underside Recessed system allows users to install a finished ceiling with lighting, fans, and additional electrical accessories under their decks.


DOG EAR JOIST FLASHING SYSTEM
Using the same materials as DEK Drain’s comprehensive Topside® and Underside® systems, our Dog Ear Joist Flashing System protects your deck’s frame against the elements, while allowing for simple and swift upgrades in the future. If you are not ready to install a full system at the moment, our Dog Ear Flashing System provides the proper flashing necessary to install an Underside system in the future. And without having to take up the deck boards!
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WHY DEK DRAIN?
Our proprietary deck drainage systems create dry, functional space below your deck that has virtually unlimited uses, while mitigating damage from precipitation and moisture.
- Whether you plan to use your under-deck area for storage or to expand your living space with furniture, a finished ceiling, and more – DEK Drain® ensures that you won’t have to strip everything bare in 20 years and start all over again.
- DEK Drain® is the only deck drainage system on the market offering a fully transferrable, limited lifetime warranty.
- DEK Drain systems have been successfully installed in all 50 states and 7 foreign countries, and not a single claim has been filed to date.
WHY DEK DRAIN?
Our proprietary deck drainage systems create dry, functional space below your deck that has virtually unlimited uses, while mitigating damage from precipitation and moisture.
- Whether you plan to use your under-deck area for storage or to expand your living space with furniture, a finished ceiling, and more – DEK Drain® ensures that you won’t have to strip everything bare in 20 years and start all over again.
- DEK Drain® is the only deck drainage system on the market offering a fully transferrable, limited lifetime warranty.
- DEK Drain systems have been successfully installed in all 50 states and 7 foreign countries, and not a single claim has been filed to date.
WE OFFER
- Affordable pricing
- Simple installation (no caulking, solvents, or glue required)
- Environmentally friendly and weather-resistant materials
- The best under deck drainage system on the market
TESTIMONIALS
GALLERIES
Excited to get started? We’ve assembled a series of photo and video galleries that demonstrate the benefits of using DEK Drain, from how the system works to installation to finished projects, and more.
HOW DEK DRAIN WORKS
INSTALLATION
FINISHED PROJECTS
FOR CONTRACTORS
Contractors who add DEK Drain to their service offerings not only benefit from system installs, but also subsequent enhancement deck drainage system projects, such as ceilings, lighting, fan installs, and much more.
Detailed instructions accompany each and every project. Should you have questions or concerns during the installation process, free, unlimited support courtesy of our knowledgeable staff is never more than a phone call or email away.
FOR CONTRACTORS
Detailed instructions accompany each and every project. Should you have questions or concerns during the installation process, free, unlimited support courtesy of our knowledgeable staff is never more than a phone call or email away.
BLOG
3 Eco-Friendly Features of Your Deck Drainage Solution
April 22 is Earth Day, an annual observation held in hopes of raising environmental awareness and protection. The movement began in 1970 and has grown to include global events and activities touching more than 190 countries and 1 billion individuals. This year’s...
3 Tips to Prep Your Outdoor Living Space for Seasonal Showers
We don’t know if March came in like a lion and is going out like a lamb or came in like a lamb and is going out like a lion – or is just chasing its tail until summer arrives. The bottom line is that the weather is doing weird things. Snow and rain one day, springtime...
Score a Touchdown with an Outdoor TV Room and other Underdeck Design Ideas
Homeowners who implement underdeck drainage systems from DEK Drain consistently enjoy improved, protected, and customizable space under their decks. But what to do with this newly functional, perpetually dry space? Here are just a handful of underdeck design ideas...
Reach Us
6030 Daybreak Circle
Suite A150.283
Clarksville, Maryland 21029
1-866-DEK-DRAIN
(866-335-3724)
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