Deck Waterproofing for Porches

Easily Transform the Area Under Your Deck or Porch
Into Usable Outdoor Space

Porch or deck waterproofing has never been easier than by using an under deck drainage system. Whether you install it during initial construction or add it to your existing deck or porch, it ensures the area underneath stays dry.

And that means you can convert that space to usable outdoor living space.



You can use these systems with almost any elevated porch or deck to reclaim space for other purposes like a three season room, dry storage, or a covered patio area.

It is also especially ideal for those who live in older homes that may have a basement or crawl space beneath the porch.

Mary and I like the DEK Drain®, an innovative deck waterproofing system, because it installs easily with the proper pitch,no caulking seams, and you get to install a ceiling beneath if you so desire. We appreciate DEK Drain® allowing us to share their innovative product with you.

Dek Drain® water diversion system installed with new porch ceiling
DEK Drain® System installed with new porch ceiling under elevated deck

Dek Drain® water diversion system before and after
DEK Drain® System - finished elevated deck with beautiful ceiling below

Watch This Informative Video

Optimize Your Outdoor Living Space

Deck waterproofing allows you to maximize the use of the space beneath your elevated deck or porch. Who doesn't need extra storage? With DEK Drain® system you will be able to store the lawn mower, wheel barrow and other items from your garage under your deck and protected from the elements.

You would also be able to sit out on your new patio without water dripping on your furniture, your guests, or even your nachos.

Converting a damp or often times wet patio area below into a screen porch or beautiful three season porch reduces the overall cost as you'll already have the roof.



Deck Waterproofing Amenities

Typically, the underside of decks and porches are not aesthetically pleasing. A deck drainage system allows you to enclose the bottom of your deck while simultaneously giving you space for can lights, fans, and other amenities to make your outdoor time more enjoyable.

under deck ceiling with hanging chandeliers
Ceiling installed under deck complete with outdoor chandeliers
DEK Drain® is a concealed system so even if you don't install a ceiling, the drainage system is installed high up and between the joists so as to minimize its appearance.

What Exactly Does a Deck Drainage System Look Like?

DEK Drain® consists of high quality panels installed over your deck or porch joists. Panels are pre-cut to fit 12 inch, 16 inch, or 24 inch on center joist framing. A drainage trough is formed automatically as you install the product with basic tools; no caulking required unlike other deck drainage systems.

Dek drain® material laid over deck joists
Dek Drain's® protective panels attached to deck joists
Versatile, this deck waterproofing systems fits almost any deck or porch design. Cantilevered decks (joists extending beyond the beam, have reverse panels that drain water beyond the beam.

For new construction, DEK Drain®Topside® panels are used to cover the joists. For existing decks, underside panels are used which either fit up into the spaces between joists or are attached to the bottom of the joists.

See the Results

tongue and groove ceiling under deck
Beautiful ceiling over new patio area

white ceiling under deck
Large covered patio area for entertaining

spacious area of relaxing under deck
Added outdoor living area under deck

Watch This Informative Deck Drainage Video

We encourage you to compare DEK Drain® with other drainage systems. We believe you'll find as we did, that DEK Drain® is easier to install and an highly effective way to transform the area under your deck or porch.

Mary and I recommend you contact the folks at DEK Drain® to learn more about how you can acquire added outdoor living space for your home.


Dek Drain® logo DEK Drain®, owned by Cindy and Keith Risser, researched and developed a deck drainage system in response to deck builder's requests for a product to keep areas beneath decks dry.

The DEK Drain® system has been installed on decks and porches in all 50 states and 5 foreign countries making it a premier deck drainage product with wide acceptance within the building industry. DEK Drain® provides an industry-leading non-prorated, fully-transferable Lifetime Warranty, attesting to the superb quality of the rubber membrane substrate used to create the drainage system.

Contact them today.


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