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Interlux Antifouling FAQ


Question: What do I do if I want to change the type of antifouling paint I am using?

Answer:
1.
Check for compatibility with old antifouling. If you know the current antifouling, you can quickly determine whether your Interlux paint choice is compatible by referring to the Boat Painting Guide (or on the Interlux color card).

2. Apply Primocon YPA984 primer and paint. If you don't know the current antifouling, we've a simple solution. Apply Primocon primer, our universal "tie coat" primer. It will overcoat any antifouling and establish a great foundation for your new Interlux antifouling choice. After the Primocon dries, simply apply your new antifouling.

3. Remove old antifouling. If you would prefer to remove the old antifouling, Interlux Interstrip 299E is a great solution. Gelcoat safe, Interstrip will remove several coats of paint in one application. After stripping, you are ready to prime and paint your newly cleaned hull! It's as easy as 1-2-3 . . .!

Question: Does my fiberglass boat need special antifouling?

Answer: No. All Interlux antifouling are suitable for application to fiberglass hulls. When painting over existing antifouling paint with a different antifouling paint it is recommended to confirm compatibility of the existing paint using the Interlux Compatibility Chart in the Boat Painting Guide.

Question: Can I use a copper oxide based antifouling on my steel hull?

Answer: Yes, for your steel hull, if you are not over coating an existing antifouling, you will need to apply the necessary Interlux primer. For a one part system, we recommend that you use Primocon. For a two-part system, use Interprotect system. For details of the number of coats you will need, the estimated project time and other details, you should refer to the quick reference Handy Specifications tables in the Boat Painting Guide.

Question: How do I paint my new fiberglass or previously unpainted hull?

Answer: Interlux has several complete systems for application of antifouling paint to new fiberglass hulls or previously unpainted hulls as well. For complete guide refer to Technical bulletin 200A "bare fiberglass bottom paint guide

Question: What type of Antifouling Paint should I use on Aluminum?

Answer: Trilux 33 with Biolux is specifically developed for use all surfaces including aluminum boats, outdrives, and outboards. Trilux 33 with Biolux, unlike other antifouling paints, does not use cuprous oxide. Trilux 33 uses Cuprous Thiocyanate. Cuprous Thiocyanate is safer to use then Cuprous Oxide. The biocides work together to fight shell fouling such as barnacles and zebra mussels while the Biolux blocks slime and algae. This blend of resins and biocides, when properly applied over primer, offer excellent antifouling protection. While Trilux 33 has been specifically developed for use on primed aluminum, it can also be applied to fiberglass, wood and other underwater metals on boats. Trilux 33 is for use below waterline in fresh, salt and brackish water. If you are in Canada use Tri-Lux II

Question: How can I check for compatibility between old and new antifoulings?

Answer: Interlux publishes an antifouling compatibility chart in its printed Boat Painting Guide (available from Interlux retailers) and also in the online version at yachtpaint.com. For more detailed analysis of your requirements you can also talk to our experts toll-free on 1-800 468 7589 who will be happy to advise you.

Question: What should I use to paint the bottom of my boat?

Answer: That depends on the answers to several questions. Such as - What type of boat do you have? How do you use your boat? How often do you use your boat? Where do you keep your boat? What type of material is the hull made of? Is the bottom currently painted? If so with what? As you can tell this is not the easiest question to answer because every boat and boat owner is different and expects different things from their boat and their antifouling paint. This question is best answered on an individual basis. For more information look in the Antifouling section of the Boat Painting Guide and use the Interspec Paint System Advisor.

Question: Can I thin antifouling paint?

Answer: Antifouling paint performance in general terms is dependent upon the film thickness applied at application time. Interlux antifoulings are formulated to the optimum viscosity, or thickness, for their designed application thickness. Thinning can significantly affect the application properties of an antifouling. When painting bare wood thin the 1st coat and apply the second coat full strength.

Question: How much antifouling paint do I need?

Answer: It is important to apply the correct amount of antifouling paint to ensure sufficient biocide content to protect the hull for the season. The quantity required depends upon the shape and size of the hull. Most antifouling paints will cover 350- 400 square feet per gallon. Use the Paint Selector tool on this site to determine the quantity and also the correct antifouling for your needs. The formula for calculating the quantity can also be found in a quicker-reference table in the Interlux Boat Painting Guide.

Question: Can I apply Interlux antifouling paint to my transducer?

Answer: Yes, it is recommended that you use a hard antifouling paint that does not contain Keytones. Keytones are found in Vinyl based antifouling paints like Baltaplate and VC Offshore. A good antifouling paint to use is Fiberglass Bottomkote or Fiberglass Bottomkote Aqua.

Question: What is Biolux®?

Answer: Biolux® is an exclusive Interlux technology for keeping the bottoms of boats clean by eliminating the collection of slime. The unique Biolux® delivery system incorporates organic boosting biocides with powerful anti-fouling agents such as cuprous oxide. Biolux® Technology is used in Micron® Extra, Ultra®, Trilux® 33, Trilux® Prop & Drive, Micron® Optima, VC®17m Extra and new Micron®66. This system is over 240 times more effective against algae than copper. These new bottom paints therefore offer the strongest protection ever developed against the full spectrum of fouling shells, weeds and slime.

Question: Last year I painted the hull with Interprotect 2000E followed by an antifouling. When lifting the boat most of the antifouling had detached. What has happened?

Answer: Interprotect 2000E and Interprotect 3000 cure to a very hard film very quickly and the over coating times for an antifouling are very short. If you wait too long to apply the antifouling, the epoxy will be so hard that the antifouling won't chemically adhere to it. Therefore, when the boat is put in the water the paint will start to detach. By following the recommended over coating times as shown on the label or using the "thumbprint" test you can easily avoid this problem.




To learn more about interlux paint visit www.yachtpaint.com





BOAT PAINTING GUIDE
Bottom                          Antifouling
     Blister Repair & Prevention

Interlux Antifouling Basics
How Antifouling Paint Works
Interlux Antifoulant Selection Guide
Painting Bare Fiberglass Bottoms
Antifouling Paint Systems for Various Substrates
Handy Specifications
How To Paint Previously Painted Bottoms
Interlux Applying Antifouling Advice
Antifouling Paint Calculator
Antifoulant on Aluminum Hulls
Interlux Antifoulant on Metal Outdrives, Keels and Centerboards
Hints for the Perfect Bottom Finish
Interlux Antifoulant FAQ
 
What is Osmosis Gelcoat Blistering
How to Recognize and Treat Osmosis Gelcoat Blisters
Protect Against Gelcoat Blisters with Interlux Interprotect
Interlux Gelcoat Blister Repair FAQ
 
 



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