Interlux InterProtect Watertite Epoxy Filler
Interlux Interlux
  • Interlux InterProtect Watertite Epoxy Filler

Interlux InterProtect Watertite Epoxy Filler

Interlux InterProtect Watertite Epoxy Filler (YAV135) is a two-part, easy to use, fast drying epoxy compound for filling holes and repairing scratches in gelcoat and fiberglass. Interprotect Watertite YAV135 is strongly recommended for filling gelcoat blisters below the waterline. It is recommended for use with the Interprotect Epoxy Barrier System or VC Tar2.
 
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Tech Spec Product Info User Generated Content

Interprotect Watertite YAV135 is an excellent fairing compound due to its unique two-phase cure, which gives a long easy-to-sand window. Interprotect Watertite YAV135 can be applied to a thickness of 3/4" without sagging and its superior spreadability makes it an ideal glazing compound for filling small nicks and scratches.

What is Gelcoat Blistering?

Osmosis is caused by a chemical reaction between water and unreacted substances remaining in the manufactured hull. Water breaches the exterior gelcoat and reacts with the chemical components creating acidic substances. These substances create pressure behind the gelcoat which causes blisters and eventually cracking. Once the gelcoat is breached in this manner, the underlying laminate is capable of absorbing water like a sponge.

Use the Interlux Interprotect system to treat and help prevent this insidious problem.

BRAND: Interlux
Material: Epoxy
Number Of Parts: Two Part
Rate Of Cure: Fast
Type: Fillers
4.8 9

REVIEW SNAPSHOT®

by PowerReviews
Interlux InterProtect Watertite Epoxy Filler
 
4.8

(based on 9 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (8)
  • Protects well (6)
  • Visually pleasing (4)
  • Weather proof (4)

Cons

    Best Uses

    • Quick fix (4)
    • Outdoors (3)
      • Reviewer Profile:
      • Recreational (4)
      • Was this a gift?:
      • No (5)

    Reviewed by 9 customers

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    Displaying reviews 1-9

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    5.0

    Repair/build, almost anything.

    By Brother Freight

    from Maryville Tn.

    About Me Professional

    Pros

    • Can Use As A Primer Coat
    • Easy to Use
    • Fix Loose Bolt Holes
    • Good For Skim Coating
    • I Love The Working Time
    • It Don't Come No Better
    • Protects Well
    • Repair Engine Parts
    • Repairs Cracks In Motors
    • Sticks To Anything
    • Very Strong And Hard
    • Visually Pleasing
    • WATER PROOF
    • Weather Proof
    • You Won't Be Sorry

    Cons

    • Hard To Sand When Cured
    • Very Hard To Clean Of Too

    Best Uses

    • Build-up
    • Engine
    • Indoor
    • Outdoor
    • Quick Fix
    • Shape Into Anything
    • Skim Coats
    • Tranisitons
    • Wood Trim

    Comments about Interlux InterProtect Watertite Epoxy Filler:

    It's great to fix holes, and imperfections in whatever your working on. Great for a skim coat before painting. Repair cracks in water jackets, manifolds, anything that leaks. Frozen, busted engine parts. Loose bolt holes. Any loose fit, fills gaps well. Sticks to anything, and paint sticks to it well, great for a primer skim coat on bottom of boat, makes it strong, and water tight. Fills in holes, mistakes. etc..It costs a lot, but you won't be sorry.

    • Was this a gift?:
    • No
     
    5.0

    I love this stuff; its great!

    By Don

    from Panama City, Fl

    About Me Casual/ Recreational

    Pros

    • Easy to Use
    • Easy To Work With And Fix
    • Protects Well
    • Visually Pleasing
    • Weather Proof

    Cons

      Best Uses

      • Bottom Scrapes
      • Gell Coat Fixes
      • Outdoor
      • Quick Fix
      • Wood Trim

      Comments about Interlux InterProtect Watertite Epoxy Filler:

      I have used this product for blister repairs to the bottom prior to new bottom paint as well as bottom scrapes and dock abrasions not to mention gell coat repairs and wood hatch slide cracks and items too numberous to mention. Beats the the heck outof bonso and many other products that I have tried. This is a good structural strength product. I have been a certified aircraft mechanic for over 50 years and now I work on my sail boats.

      • Was this a gift?:
      • No
       
      5.0

      good stuff

      By Osprey J24

      from Blue Point NY

      About Me Beginner

      Pros

      • Easy to Use

      Cons

        Best Uses

          Comments about Interlux InterProtect Watertite Epoxy Filler:

          I mixed this is very small batches and used to fill scratches and chips on the bottom of my j-24. Easy to work with. Gets very hard after a few days, so be careful not to apply too much or wait too long to shape. Overall I am very satisfied

          • Was this a gift?:
          • No
           
          5.0

          Good stuff - I've used it before

          By Al the boat guy

          from New England

          About Me Casual/ Recreational

          Verified Reviewer

          Pros

          • Easy to Use
          • Protects Well
          • Visually Pleasing

          Cons

            Best Uses

            • Fairing the keel
            • Fairing thru hulls
            • Filling cracks

            Comments about Interlux InterProtect Watertite Epoxy Filler:

            I've used this product to fair my keel, around my thru hulls, and to fill the "smile" between the keel and the keel stub. It takes some elbow grease to sand it down fair. It's best to apply it smoothly in the first place.

            Watertite dries quickly, holds well to properly prepared surfaces, and lasts well. Sabre Yachts used it on my original boat, and I continue to use it for repairs.

            • Was this a gift?:
            • No
             
            4.0

            Good for many purposes

            By FrankN

            from Philadelphia, PA

            About Me Advanced

            Pros

            • Mixes sands easily

            Cons

            • Can't chisel it chips

            Best Uses

              Comments about Interlux InterProtect Watertite Epoxy Filler:

              Great product. Always keep some around the shop.

              • Was this a gift?:
              • No

              (2 of 2 customers found this review helpful)

               
              5.0

              Fantastic product!

              By Lakeboat

              from Wolfeboro, NH

              About Me Recreational

              Verified Reviewer

              Pros

              • Easy to Use
              • Protects Well

              Cons

                Best Uses

                • Below waterline

                Comments about Interlux InterProtect Watertite Epoxy Filler:

                I used the Watertite filler for a few dents & scrapes, and some faring on a Hacker-Craft mahogany runabout, below the water line. This is the easiest filler I've ever used. Since it is a 1:1 ratio, mixing can not be simpler. It trowels like butter, even upside down, and it's 100 times easier to tool than drywall mud (for comparison purposes only - DO NOT use drywall mud on your boat!). It cures quickly. Try to tool/trowel/level it while you are working it because that is much easier than trying to fix it later with sandpaper. It cures hard - which is what you want.

                (1 of 1 customers found this review helpful)

                 
                5.0

                Great product!

                By Cap'n Ronn

                from Oklahoma City, OK

                About Me Recreational

                Verified Reviewer

                Pros

                • Easy to Use
                • Protects Well

                Cons

                • Messy

                Best Uses

                • Quick Fix

                Comments about Interlux InterProtect Watertite Epoxy Filler:

                Great stuff! mix in small batches becouse it gets stiff real fast. Don't leave to much overlap becouse when it sets up it is hard as nails.
                -Ronn

                (1 of 1 customers found this review helpful)

                 
                5.0

                best product for gelcoat repairs

                By pegasus

                from Long Island NY

                About Me Recreational

                Verified Reviewer

                Pros

                • Easy to Use
                • Weather Proof

                Cons

                • Long time before sanding

                Best Uses

                  Comments about Interlux InterProtect Watertite Epoxy Filler:

                  I have tried to use Interlux's Interfill to repair blowouts in the gelcoat below the water line, but find it too stiff to be able to force it into the voids and still get most of the overfill off the surrounding gelcoat in order to reduce the sanding effort afterward. Working time is a bit short.

                  I have also tried Epiglass (without any filler added) and it runs like egg white -- does'nt stay put. Definitely needs filler for this application, which makes it much too expensive and even more complicated to mix.

                  Watertite, on the other hand, spreads like mayonnaise, is very easy to work with, and has a longer pot life than Interfill.

                  Oh yes, there is 3M's Marine Premium FIller. Don't try to mix more than a golf ball sized batch -- it gets to stiff to use in 10 minutes. I can't imagine why the directions on the can give proportions for up to 8 oz batches.

                  (4 of 4 customers found this review helpful)

                   
                  4.0

                  Used to restore my whaler's hull

                  By Daves Whaler

                  from Salem Ma

                  About Me Recreational

                  Verified Reviewer

                  Pros

                  • Easy to Use
                  • Protects Well
                  • Spreads well
                  • Visually Pleasing
                  • Weather Proof

                  Cons

                    Best Uses

                    • Outdoor
                    • Quick Fix

                    Comments about Interlux InterProtect Watertite Epoxy Filler:

                    I am 100% satisfied with this product.
                    Great for filling nicks,cracks,pits,ect.in gelcoat/hull areas.used on my whaler below waterline.Great way to fair and waterproof any fiberglass repair.Tuff durable product.
                    I definately recommend this product to anyone restoring a old classic or modern repair.
                    Thanks Interlux

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