@tuffdeckbuildersseattle: Algae and moss make boards slick, especially on shaded stairs. Sweep often and rinse gently after long wet stretches. 🌿 Tufdek is a waterproof vinyl surface for porches, decks and balconies. Trim shade and check the damp corners regularly. Tuff Deck Builders Seattle helps local homeowners plan deck, porch and patio projects. Request a free estimate. Call 206-202-3943 or visit tuffdeckbuildersseattle.com. #tuffdeckbuildersseattle #deckbuildersseattle #deckbuildingcompany