Interlux Fiberglass Bottomkote NT

  • Dual-Resin Technology Offers Benefits of Ablative and Hard Antifouling Paints
  • Fast Drying and Durable, Polishing Mechanism Keeps Hull Clean and Smooth


  • Finish: Matte
  • Coverage: 400 sq. ft/gal.
  • Number of Coats: 2 minimum
  • VOC: 449 g/lt - maximum
  • Pack Size: 1 US Gallon
  • Colors Available: YBB349 Red, YBB359 Green, YBB369 Blue, YBB379 Black

*Receive a manufacturer’s mail-in-rebate for up to 2 gallons or 2 quarts of Interlux products


Fiberglass Bottomkote NT (New Technology) is formulated with a unique, Dual Resin Technology that allows a boat owner to benefit from the advantages in both ablative and hard antifouling paints. Fiberglass Bottomkote NT is a very durable coating, preventing premature wear-through, yet it has a slow polishing effect that keeps the hull clean & smooth without the heavy paint build-up you can get year after year with a traditional hard antifouling. With its fast drying properties, you can paint and launch the boat the same day! Fiberglass Bottomkote NT is a universal product for most substrates (excluding aluminum) and it's an affordable choice. NT,INT NT,Interlux NT,YBB349,YBB559,YBB369,YBB379N, YBB349G,YBB359G,YBB369G,YBB379G. NOTE:Type: Dual-resin, hybrid hard/ablative Recommended Usage: Low to moderate fouling waters Biocide: 25% Cuprous oxide Additives: None Number of Coats Recommended: 2 (3 on bare wood) Coverage: 400sq.ft./gal. Drying Time: To overcoat: 2 hrs.; To launch: 4 hrs. Thinner: Special Thinner 216, or Brush-Ease 433

Key Features

  • For fresh-, salt- and brackish waters
  • Durable finish resists wear through 
  • Dries quickly for paint and launch on the same-day
  • For fiberglass, wood and steel hulls
  • Slow polishing action reduces need for sanding at haulout

Physical Data

  • Type: Dual-resin, hybrid hard/ablative
  • Finish: Matte
  • Available colors: Red, Blue, Black, Green
  • Components: 1
  • Curing mechanism: Solvent Release
  • Solids by weight (Theoretical): 52 +/- 2%
  • Solids by Volume (Theoretical): 50 +/- 2%
  • Coverage: 400sq.ft. /gal.
  • VOC: 449 grams/liter (Max) (as supplied and applied)
  • Active ingredients: 25% Cuprous oxide
  • Flash point: None


  • Application Method: Brush, roller, airless, or conventional spray
  • Number of coats recommended: 2 (3 on bare wood)
  • Dry Film Thickness: 2 mils
  • Wet Film Thickness: 4.3 mils 
  • Applicator: High-quality short nap roller (maximum 3/8” nap)
  • Application temperature: Min. /Max. Range: 50° F. Min/95°F. Max
  • Thinner: Special Thinner 216 or Brush-Ease 433
  • Drying times 


Drying @50°F @77°F @95°F
To touch 3 hr. 1 hr. 30 min.
To recoat 6 hr. 2 hr. 3 hr.
To launch 12 hr. 6 hr. 3 hr.


*The above dry times are minimums. May be recorded after the minimum time shown. There is no maximum dry time before launching.

Available colors (4)

Although every effort has been made to ensure the colors on screen are as close as possible to actual paint colors, we cannot guarantee an exact color match. Paint swatch colors will vary depending on your screen settings and resolution. The manufacturer cannot be responsible for slight variations.



Interlux® Spring Mail-In Rebate Program

Receive a manufacturer’s mail-in-rebate for up to 2 gallons or 2 quarts of Interlux products.

To receive your rebate: 

1. Purchase up to two gallons of eligible Interlux antifouling paint or up to two quarts of Cetol Marine and VC 17m Extra between February 3, 2020 and May 29, 2020.

2. Eligible products:

$20 rebate per gallon: Micron® 66®, Micron® Extra, Micron® CF, Micron® CSC, Micron WA* $10 rebate per gallon: ACT*, Aqua-One*, Fiberglass Bottomkote® Aqua*, Fiberglass Bottomkote® NT $5 rebate per quart: VC®17m Extra*, Cetol® Marine, Cetol® Marine Light, Cetol® Marine Natural Teak and Cetol® Marine Gloss

3. Complete in full this form (handwriting must be legible for your submission to be processed), include the original dated sales receipt with purchase price circled and fill in the UPC number for each product redemption.

4. Rebate request must be postmarked no later than June 30, 2020.

5. Keep a copy of this rebate form and sales receipt for your records.

6. Mail all items to: Interlux MIR (Offer 42277) P.O. Box 6068 Douglas, AZ 85655-6068 Customer Service Number: 1-800-293-6778 / Customer Service Web Site:

Download form

English Rebate Form 2020


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