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Interlux Refinishing NonSkid


Painting A Non-Skid Deck

What products can you use?

There is no single, universally proven deck surface that will prevent people from slipping on a boat deck. There are an almost infinite number of variables that affect non-skid performance, no matter how high-tech or famous the footwear, no matter the ingenious technology of the boat builder's deck molding. There's no such thing as non-skid. A low-cost, slip-resistant, alias non-skid or non-slip, finish can be created (or recreated) by first priming the surface, then applying a one or two part polyurethane mixed with a non-skid additive like Interlux's Polymeric No skid Compound.

A deck demands a tough coating to protect it from the damaging effects of foot traffic, anchors and other gear that descend upon it. Two-part urethane paint is your best choice for the job. It provides the most durable, abrasion-resistant, longest-lasting finish. Contrary to popular opinion, two-part paints are not beyond a novice's skills to apply. Working times are manageable (6- to 8-hour pot life), and you can attain a highly satisfactory finish with a brush.


Interlux Interthane Plus is especially well suited for deck refinishing. It's a two-part linear urethane developed for brush application using the roll-and-tip method. After rolling, the roller stipple and roller marks level out with a high quality natural bristle brush. It's easy to apply on decks where the non-skid pattern is already present or one is created with the addition of a non-skid additive. Interlux's Polymeric Noskid Compound is a manmade plastic sphere additive for transforming decks into a non-skid surface. Its regular shape diminishes the tendency to collect dirt and has excellent non-slip properties. Polymeric Noskid Compound is available in two grit sizes, regular 2398 and extra coarse 2399.

You are also not limited to just using a two-part paint you can also use a one-part paint like Brightside Polyurethane. Brightside provides a hard, high gloss finish with Teflon® for easy cleaning and resistance to staining and added abrasion resistance and is very simple and easy to use. If you do not want to have to add non-skid additives to Brightside you can use Interlux's Interdeck. Interdeck is one-part polyurethane that already has the Polymeric Noskid Compound added to the paint so all you have to do is open the can mix and apply. But for the sake of this project we will be using Interthane Plus with the Shake 'N Bake method of applying the Polymeric Noskid Compound.

Preparation

Interthane Plus can be applied to gelcoat or to a properly prepared epoxy substrate primed with Interlux 404/414 Epoxy Barrier-Kote. As a general rule, two-part paints cannot be applied over single-part paints. Such paints may not provide a stable substrate, single-part paints should be removed or primed with 2100 Multithane Primer. This provides a tie coat between the two-part and one-part paint. For best results, remove any questionable coatings down to a sound substrate.

Surface preparation is 75% of the job so take extra care to properly prepare the deck for painting. Read and follow all application instructions carefully. Mix only what you will use in a 4-hour period. If you want a low gloss finish you can add a flattening agent. You will also need to thin the paint during the application process to maintain a working viscosity. Now is the time to mask off your area that you do not want paint on. Make sure to use a good tape like 3M Fine Line tape. You can also coat hardware with petroleum jelly to make removal of paint drips or splatters easier.

Start painting mid-morning as soon as the dew has completely dried from the surface. If the deck was prepped the day before, wipe down the bare gelcoat with 2333N solvent to remove any contamination that may be present. Optimal temperatures for deck coating are from 50 degrees F to 85 degrees F, avoid painting if the nighttime temperatures will fall below 50 degrees F. When working outdoors, cover coated areas at night to keep the dew from flattening the surface.

There are two different refinishing methods depending on your deck type: those with a molded, non-skid pattern, those with a non-skid pattern that needs to be created or pattern is worn away.

Application:

Molded Gelcoat Non-skid

Step 1

Clean the deck area that you are going to paint with medium or coarse bronze wool and wipe down with 202 Fiberglass Solvent Wash. Work a small area at a time, scrubbing in different directions and wiping up the solvent residue before it evaporates.

Step 2

Apply one very thin coat of Interthane Plus, thinned 25% to 35% with 2333N solvent, using a short-nap foam roller with a solvent resistant core and tipped off with a good quality natural bristle brush.

Step 3

Allow to dry at least 2 hours, no more than 8 hours at 70 degrees F, or until the paint is no longer sticky to the touch. If the maximum overcoat time is exceed, sand again with fine bronze wool.

Step 4

Carefully apply a second coat of Interthane Plus, thinned 25% to 35% with 2333N solvent, to the tack-free surface. Don't overwork the paint or the solvents may resolvate the first coat. Take care to tip this coat without over brushing.

Application:

Shake 'N Bake Method Adding a Non-skid texture to an old deck

Step 1

Clean the deck area that you are going to paint with medium or coarse bronze wool and wipe down with 202 Fiberglass Solvent Wash. Work a small area at a time, scrubbing in different directions and wiping up the solvent residue before it evaporates. Sand with 80 to 120-grit sandpaper to a matte finish. Repair any damaged areas with Interfill fairing compound as per instruction on can.

Step 2

If the deck is in poor condition apply a coat of Epoxy Barrier-Kote primer thinned 20% with 2333N. When fully cured sand with 220-grit sandpaper. Remember to change paper frequently to create a good sanding pattern.

Step 3

Apply one very thin coat of Interthane Plus, thinned 25% to 35% with 2333N solvent, using a short-nap foam roller with a solvent resistant core and tipped off with a good quality natural bristle brush. Using a saltshaker, shake on a heavy layer of 2398 or 2399 Non-Skid Compound.

Often the non-skid is added directly into the paint, a procedure outlined on the label instructions. This is a acceptable application method, especially in small areas.

Step 4

Allow to dry at least 2 hours, no more than 8 hours at 70 degrees F, or until the paint is no longer sticky to the touch. Then you can carefully move around the boat to apply the second coat.

Step 5

Carefully vacuum up all the excess non-skid additive that did not adhere to the first coat.

Step 6

Carefully apply a second coat of Interthane Plus, thinned 25% to 35% with 2333N solvent, to the tack-free surface. Don't overwork the paint or the solvents may resolvate the first coat. Take care to tip this coat without over brushing.

At this point you are done. Allow to dry for a few days before allowing heavy traffic use.







BOAT PAINTING GUIDE
Topsides        Decks        Bilges        Cabins

Topside Paint FAQ
Refinishing NonSkid
Three Options to Painting Non-Skid
Topside Paint Selector
Two-Part Perfection Preparation Scheme
One-Part Paint Preparation Scheme
Preparation and Priming for Topside Paint
Applying Gloss Finish
Fill Holes, Voids and Nicks
Painting with Toplac
Painting with Two-Part Perfection
Tips on Applying Perfection
Painting Bilges
Do's and Don'ts for Paint Finishes
 



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