Dexerdry® Weatherproofing Insert – Flexible rolls

Starting at: $ 135.00

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.

  • Azek, TimberTech
  • Clubhouse
  • Deckorators Eovations
  • Deckorators wood composites
  • Fiberon Paramount PVC
  • Fiberon wood composites
  • Wolf
  • 50 LF
  • 240 LF


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, but no fasteners will be necessary for inserts.

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 decking. The inserts are installed in the grooves of grooved decking, and fastened with face screws or the Cortex plug system.

Additional information

Weight N/A
Dimensions N/A
Compatible decking

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

Roll Length

50 LF, 240 LF


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