How do you make waterproof space under a deck?

The dominant solution for waterproofing areas below decks is to drape plastic membranes within joist spaces below decking to form troughs. The Trex RainEscape deck waterproofing system, shown below, is an example of a membrane-and-downspout system.

Should I put gravel under my deck?

Adding a layer of gravel prevents ponding and controls the flow of water to ensure proper drainage. This not only keeps bugs and mud at bay, but also reduces issues with soil erosion and mold under and around the deck.

What can I use instead of lattice under a deck?

Alternatives to Using Traditional Lattice Under a Deck

  • Create a Room for Storage, Entertainment, or Relaxation.
  • Skirt with modern wood slats.
  • Install shiplap.
  • Create a patterned look.
  • Go for vertical lines.
  • Complement a Craftsman.
  • Go for durability.
  • Plant shrubs or plants.

Should I put plastic under my deck?

No, putting plastic under a deck is not good for the deck. Plastic under the deck will trap moisture, increase rot and attract insects to your deck. Never put plastic under a deck except if its part of a dry deck system drainage system. In which the liner is installed to collect water and divert it away from the deck.

What is under your deck?

Sand, soil, and mulch are options; stone is better. The best gravel for use under a deck is crushed stone. It prevents erosion, weeds, keeps moisture away from the underside of the deck, and looks much better than mud or weeds. Hopefully, you have a better understanding of why you should put gravel under your deck and why it is the better choice.

What is a dry deck system?

A dry deck system entails adding certain waterproofing materials and building techniques that facilitate a dry space. This also keeps moisture away from your existing home and your deck’s sub-structure.

What is a deck drainage system?

What is a Deck Drainage System? A deck drainage system is installed under the deck boards of a second-story deck. It uses a network of troughs and downspouts to divert water away from the deck and into a gutter system keeping the space below the deck dry and useable.

What is a waterproof deck?

A waterproof deck is a wooden deck that has been treated with a coating so that water does not seep into the wood. Having a waterproof deck means having a deck that is more likely to stand the test of time. When a deck is not treated, water will seep into the wood and cause rotting and erosion, which can cause the deck to fall apart over time.