Dexerdry® Weatherproofing Insert – Flexible rolls

$ 4.50$ 540.00

Thermoplastic inserts placed between grooved deck boards to weatherproof the deck surface.

We highly recommend the BoWrench for tightening decking seams to create the best seal, which you can buy here: BoWrench (link)

Decking grooves are different sizes, so please select Dexerdry® size accordingly.

25-year limited warranty,

  • Clubhouse
  • Deckorators Eovations
  • Deckorators wood composites
  • Fiberon Paramount PVC
  • Fiberon wood composites
  • TimberTech and Azek
  • Wolf
  • 12 inch sample
  • 50 foot roll
  • 240 foot roll
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Dexerdry® lets you select the decking you like, while efficiently installing your decking and dry-deck at the same time.

One large roll generally covers 100+ sq ft.

One small roll generally covers 20+ sq ft.

Decking will need to be fastened with face screws, and deck surface will need to be sloped 1/8″ every foot.

See installation instructions here.

Framing and decking layout details here.

Router bit use and details here.


Usually ships same or next business day



Dexerdry is a manufacturer of thermoplastic inserts for weatherproofing your deck surface. The inserts are cleverly installed in the grooves of grooved decking, to provide a water-shedding system that allows for more utilization underneath the deck, and a cleaner deck surface above.

Additional information


Clubhouse, Deckorators Eovations, Deckorators wood composites, Fiberon Paramount PVC, Fiberon wood composites, TimberTech and Azek, Wolf


12 inch sample, 50 foot roll, 240 foot roll


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