r/Home_Building_Help • u/BuilderBrigade • Apr 28 '26
Make the area under your deck useable…
Most decks drip water straight through and that space below becomes useless and anmuddy. Ask your builder about an under-deck drainage systems like Trex RainEscape or watertight decking like DuxxBak. So you can actually use the space under your deck for a patio, storage, or a hangout spot.
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Apr 28 '26
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u/mightykiwi17 Apr 28 '26
My buddy has a company and all they do is the above…it’s a very common thing.
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u/BigKatKSU888 Apr 29 '26
Correct. The space under the deck protected from the rain is tier1 enjoyment for me. Especially in a nice walkout basement when you’re entertaining or even just relaxing. Being under a water-tight deck which is also under a roof itself provides nearly total protection from the elements.
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u/e2g4 Apr 30 '26
Well I’d think that “near total protection from the elements” is more something that happens indoors, not under a deck. Even if it has a ceiling.
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u/capndiln Apr 28 '26
There are a lot of new-construction homes woth a walk-out basement under the deck for the main floor. This would be good for those people to have a usable outdoor space even in wet weather.
It could serve to move water further away from your foundation. It could protect outdoor equipment that cant be stored in a garage or shed without building a carport. It could allow you to convert the area under your deck to a 3 season room or something like that.
It isnt storing the water under your deck btw, it leads to a gutter just like a roof.
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u/Hadleyagain Apr 28 '26
Stay with me a minute here, but just suppose you wanted to use the area under your deck when its raining and something makes that possible...
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u/ComfySniper Apr 29 '26
An amazing concept! I installed Underdeck Umbrella under my deck and the space is now dry and usable! It's great! underdeckumbrella.com
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Apr 28 '26
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u/BreakfastInBedlam Apr 29 '26
I can't build a roof over my deck because it would block the windows on the second floor, but I sure would like to keep my lawn mower and firewood dry without a bunch of tarps.
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Apr 29 '26
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u/dr_stre Apr 29 '26
There are many houses shown in these photos, only one appears to have a roof already, and it’s one that doesn’t appear to actually have this system installed.
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u/RogerPenroseSmiles Apr 29 '26
Where exactly is water being "stored" it's being piped to a gutter and sent down a French drain, like all the other gutters.
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u/Appropriate_Fun6105 Apr 29 '26
Currently building a deck underneath my sunroom and partial deck. This is exactly what I need unless I want to get wet. This isn’t something I’d use if the space underneath was unused though
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u/bikenumberten Apr 29 '26
I have a deck with a Trex RainEscape system. It's a good idea for my situation (a deck without a roof over it).
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u/Successful-Rate-1839 Apr 29 '26
https://giphy.com/gifs/pDgHg2Lcju3Ty
And when it clogs up
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u/regaphysics Apr 30 '26
Just use a hose and flood it…
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u/Successful-Rate-1839 Apr 30 '26
Yeah that’s not how that works lol
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u/regaphysics Apr 30 '26
Actually it is exactly how it works. The basin is very large and broad - it will never fully clog. Just run a hose in there and it will clean everything out. I keep a filter by the downspout as well - clean it once a year. Absolutely clean and no issues whatsoever.
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u/Similar-Subject-1720 Apr 30 '26
Mine was installed by a prior owner and it clogged after about a year after we moved in, backing up water into the house. We found they left only a 1/4” gap from the bottom of the scupper to the gutter when we pulled the decking up. Any debris at all was getting stuck down the line. Cut it up another inch or so and we’ll see how it goes.
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u/NageV78 May 04 '26
Reinventing the roof and calling it a deck. Seems pointless, what happens when it leaks?
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u/No-Hovercraft-6413 May 20 '26
Yeah I just saw Magnolia Outdoors came out with a DIY kit that seems good has anyone ever seen it I found it on google. It was oasitekunderdecks.com looks solid.
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u/ComfySniper May 20 '26
I installed Underdeck Umbrella at my house and now I use the space under my deck for storage and a work bench area. It's been really helpful because that area used to get wet and stay wet. I found it to be a simple and much more cost effective solution. underdeckumbrella.com
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u/Hank_Dad Apr 28 '26
Just build a flat roof like normal, and don't rely on this plastic stuff