3 ways to ensure your deck stays high and dry

by | Jul 1, 2023 | Home and Living

Because they are exposed to the elements, decks and their supporting substructures are highly susceptible to water penetration. Without proper protection, rain, dew and snow melt can seep into screw holes and sit on boards, joists and beams causing them to rot, decay and deteriorate over time, posing serious safety issues. Here are three easy ways to protect your deck from moisture damage:

  1. Seal the substructure
    One of the simplest ways to prevent premature deterioration of a deck’s substructure is to apply protective tape to the joists and beams of the foundation. Butyl-based tapes are best and are available in easy peel-and-stick options that apply as a “cap” to the tops of wood joinery. This creates a moisture barrier and also helps hold deck screws and fasteners strongly in place for longer. And don’t forget the ledger board. This key connection point where the deck attaches to a house is especially vulnerable to moisture, but it can be fully sealed with a wider flashing tape.
  2. Consider composite decking over wood
    Made from a blend of plastic and wood fibres, composite decking won’t absorb water like treated lumber. It also won’t crack, warp or splinter in colder climates and will hold up to humidity and precipitation. High-performance composite decking is extremely durable and easy to maintain, so there’s no need to spend time and money every year sanding and painting or staining your deck. Instead, simply give it an occasional cleaning with warm soapy water and get back to enjoying your space.
  3. Divert water with a deck drainage system
    For an elevated deck, consider adding a deck drainage system, such as the Trex RainEscape system, to protect your deck’s substructure from moisture while also creating dry, usable space beneath the deck. This innovative system installs over joists and beams to completely shield foundational components from moisture. The added bonus is that homeowners can safely add furnishings as well as gas lines and electrical wiring to accommodate lighting, ceiling fans, appliances and entertainment centres to create an outdoor oasis under the deck.

Find more information to protect and extend the life of your deck at ca.trex.com

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