Best Exterior Wood Filler For Decks

DAP Products Premium Wood Filler White 16 FL OZ

  • Accepts majority of stains and pigments to create the perfect color.
  • Grain filler that leaves a smooth, table top finish.
  • A unique water-based, quick drying formula.
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1/2 x 6” 25-Piece Black Lag Bolts Rustproof 4-Layer Ceramic BLAKOTE 2X Protection of Galvanized Lag Screws for Decks Pergolas by Makers Bolt

  • Secure Exterior Structural Wood - Ideal for deck wood, exterior plywood, and other marine grade plywoods, our heavy-duty lag screws make wood-to-wood fastening a breeze. Each pack comes with 25pcs of ½” diameter hex screws..
  • 2x Corrosion Protection - These lag bolts for wood are made of an exterior grade 4-layer black ceramic coating called Blakote. With twice the protection of standard galvanized wood screws, they won’t tarnish after exposure to highly corrosive environments..
  • Better for Outdoor Applications - Our structural screws have a black matte finish. They’re tougher for outdoor wood projects than our black oxide finish..
  • Comes in Different Lengths - Use these construction wood screws on decks, gazebos, trusses, and other wood connections. Our lag bolts are available in 1/2" diameter and in lengths up to 8”..
  • Uniform Heads and Precise Threading - Makers Bolt screw sets are specially manufactured under tight tolerance, ensuring precision and uniformity in production..
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Thompson's Water Seal TH.074871-16 3 in 1 Wood Cleaner, 1 Gallon

  • Great for use on redwood, cedar, highly extractive wood.
  • Removes stains from dirt, mildew, ALGAE and fungus.
  • Eliminates TANNIN, rust stains and mill glaze on new wood.
  • Brightens and restores wood’s Natural beauty.
  • Use before waterproofing: decks, fences, outdoor furniture and other exterior wood surfaces.
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Mold Armor House Wash, 1-Gallon (2)

  • Powerful formula cleans exterior mildew, mold and algae stains with no scrubbing.
  • Ideal for vinyl, aluminum and wood siding, brick stucco, concrete, trim and painted decks, fences and more.
  • For heavy stains and soil as well as typical stains and dirt.
  • Cleans exterior mildew, mold and algae stains.
  • Safe for landscaping applications if used as directed.
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Rust-Oleum 312283 Deck Start Wood Primer, 1 Gallon, Clear

  • Works on weathered, worn or previously coated exterior wood including wood decks, fences, docks and furniture, use under a solid exterior stain, paint or other solid topcoat.
  • Eliminates the need to sand or strip away old coatings, features innovative adhesion chemistry that provides superior grip between the existing surface and new top coat.
  • Dries to touch in 1 hour and covers up to 450 sq. ft. in just one coat, allow 1 to 2 hours dry time before applying solid color top coat.
  • No sanding or stripping needed and the ability to apply to damp wood means less time spent on projects.
  • Low-VOC, water-based formula with minimal odor applies milky white and dries clear.
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THOMPSONS WATERSEAL TH.042851-16 Semi-Transparent Waterproofing Stain, Woodland Cedar

  • Prevents water damage, applies to freshly cleaned damp or dry wood.
  • Use on decks and fences, outdoor furniture, exterior wood.
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Thompsons Waterseal 43811 1 Gl Solid Harvest Gold WaterSeal® Waterproofing Stain

  • Prevents water damage, applies to freshly cleaned damp or dry wood.
  • Use on decks and fences, outdoor furniture, exterior wood.
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Thompson's Water Seal Semi-Transparent Wood Sealer, Desert Tan, 1 Gallon

  • Prevents water damage, applies to freshly cleaned damp or dry wood.
  • Use on decks and fences, outdoor furniture, exterior wood.
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Daly s SeaFin Ship n Shore Sealer 1 Quart

  • Deeply penetrating wood waterproofing sealer for interior or exterior use.
  • Excellent conditioner for siding, decks, handrails, cabins, hulls, ladders and masts.
  • Leaves no surface film to chip, crack or blister.
  • Fully compatible with urethane varnishes and practically all stain products.
  • Practically colorless, odorless and non-toxic.
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