JustTeak FAQs

What is the JustTeak Range? Does it Work and do I Need it?

Over time teak will lose its golden patina and turn grey. JustTeak™ is a marine-grade, 2 part teak cleaning and restoration system that quickly and easily restores, rejuvenates and protects your teak.

JustTeak has been manufactured for 10 years and is used on thousands of vessels every year, worldwide. With outstanding performance, worldwide support/customer service and unbeatable value for money, it has been proven to be the best way to protect your teak and keep it looking great!

JustTeak Teak Cleaner removes stains, greying and old coatings whilst being gentle on teak.

JustTeak Teak Brightener removes light stains, greying and brightens teak when used in combination with Teak Cleaner.

JustTeak Teak Sealer provides protection from sun, rain and stains, whilst maintaining a beautiful, natural finish.

Click here for our JustTeak Testimonials and see for yourself!

How long does the JustTeak Teak Sealer last? Can I Overcoat an existing layer of sealer?

Depending on environmental conditions and usage, you can expect between 6 to 8 months of beautiful surface colour and strong moisture + UV  protection.

Over time the sealer will start to lose its lustre and water beading capability. A fresh coat of JustTeak Teak Sealer should be applied to restore the finish.

For best results remove the Teak Sealer with JustTeak Cleaner and Brightener and reapply.

See our technical data sheet for more information

How can I buy the JustTeak Range?

You can buy from our online store and Amazon (United States), or visit your local distributor.

How long does it take to receive JustTeak in my area once I’ve purchased?

Australia: 1 – 4 Days

New Zealand: 3 Days

United States: 1 – 4 Days

Europe: 3 – 5 Days

All orders are processed within 1 business day.

For more information see our shipping FAQ.

If your country is not listed or for any further questions please email info@greencorpmarine.com

Will JustTeak Products affect the caulking on my teak decking?

There is no long term effect from Teak Cleaner, Brightener or Sealer on the caulking from all our extensive testing and many years selling. At times, the caulking can feel “sticky” once the JustTeak system is applied, this is because the 2 part cleaning and scrubbing process and to a lesser extent the sealer will remove the light oxidization layer that forms on the caulking. Usually revealing fresh caulking that is not sticky.

However, when the caulking gets really old it can become sticky even before you use anything on it, as it has already broken down from the years of environmental exposure and needs re-caulking.

How is JustTeak Teak Sealer different from Teak Oil and Varnish?

There are numerous differences between JustTeak Teak Sealer and Teak Oils, paints and varnishes.

JustTeak Teak Sealer incorporates much newer technology that penetrates the surface, bonding to and stabilising the teak; giving strong protection against the weathering effects of UV radiation, sunlight, pollution and salt water, JustTeak Teak Sealer does not need to be reapplied as often as oil. Once applied, JustTeak Teak Sealer will coat your teak without leaving a heavy continuous film on the wood surface like a varnish or paint. Varnishes and paints provide better protection compared to teak oil, but can be difficult to apply, maintain and disguises the natural textures of the teak surface.

By contrast, teak oil has been used on boats and teak wood furniture for 100’s of years but leaves an inferior surface finish and does not last anywhere near as long. Teak oils are usually made of linseed oil with extra additives mixed in, the oil soaks into the wood and accentuates the grain and colour but it is very high maintenance.

Further, teak oil does not protect the wood, but it merely recovers the rich appearance that teak wood can offer. This method requires multiple coats of oil and the finish does not last long, with sunlight and UV rays damaging the oils, turning the wood finish dark and grey over time.

Sealers are different from oils because they do not add more oils or resins. Instead, they seal in the natural oils and resins that the existing wood contains while at the same time preventing contaminants and moisture from invading and harming it.

How can I apply the JustTeak Range and how much do I need?

As part of the JustTeak Range, we have a selection of cleaning scourer pads and detailing sponges (ideal for spot cleaning any Teak Sealer!) available.

See below estimated coverage table:


Product Container size Chemical base Physical description Coverage (approximate)
Part 1: Teak Cleaner 1, 5 & 20 Litre Water Red translucent liquid 5 sqm/litre (54 sq ft), depending on absorbency of teak
Part 2: Teak Brightener 1, 5 & 20 Litre Water Green translucent liquid 5 sqm/litre (54 sq ft), depending on absorbency of teak
Teak Sealer 1 & 4 Litre Solvent Beige opaque fluid 5.5 sqm/litre (60 sq ft), depending on absorbency of teak

Application of the JustTeak system, for more info see our Technical Data Sheet.

Protect surfaces being cleaned that could be damaged, such as polished metal, especially aluminium. Ensure easy access to a water supply.

Part 1: Teak Cleaner

  1.  Hose down entire area with water. 2. Ensure the teak does not dry during the cleaning process. 3. Applying the Teak Cleaner with a soft polypropylene cleaning pad, gently scrub the product across the grain of the teak. The teak will tum dark brown and the cleaning pad will fill with dirt. 4. Apply to one area at a time then immediately rinse down entire area with water to remove the cleaner. Repeat if necessary.

Part 2: Teak Brightener

  1. Following the application of Part 1: Teak Cleaner.
  2. Hose down entire area with water.
  3. Ensure the teak does not dry during the cleaning process.
  4. Apply Teak Brightener with a soft polypropylene cleaning pad, gently scrubbing across the grain of the teak. The teak will immediately lighten in colour.
  5. Apply to one area at a time then immediately rinse down entire area with water to remove the Teak Brightener. Repeat if necessary.

Part 3: Teak Sealer


  1. For freshly sanded teak: Ensure teak is clean of dust and dirt before application.
  2. Weathered and previously coated teak: Clean with JustTeak Teak Cleaner and Teak Brightener to remove previous coatings, dirt and deposits that have turned teak grey, and restore natural colour.
  3. Allow teak to dry thoroughly before applying Teak Sealer.


  1. For best results apply in temperatures above 10°C (50°F) on a sunny, low humidity day, ensuring the teak is dry. Shake vigorously prior to use. This product must be shaken periodically whilst using to ensure even colouring.
  2. Apply the sealer by either brush, pad applicator or rag. Take note to apply sealer along the length of the board to ensure even coating and avoid line marks.
  3. Apply generously. Allow to dry, soak up any areas that may have not absorbed the sealer. When touch dry, apply 1-2 subsequent coats until the teak stops absorbing the sea


Can I use Just Teak on my teak decking at home?

JustTeak is great for protecting all teak, including outdoor furniture and decking.

Check out how JustTeak looks on outdoor furniture and decking here on JustTeak testimonials and see for yourself!

Are JustTeak Teak Cleaner, brightener and sealer safe for contact with fiberglass? Will it dull or stain?

Being a marine product, the products are safe for fibreglass when used as instructed. The most important thing with the Cleaner and Brightener is to not let it dry on the surface of the boat. For large areas you will need to do 1 section at a time.

The sealer will not damage fibreglass. However best to tape off any areas that may get sealer on them in order to make clean up easier.

How many coats of JustTeak Teak Sealer do I need to apply?

JustTeak Sealer – apply 2-3 coats. Saturate the surface and wipe off the excess. The first coat will penetrate, the next 2 coats will penetrate less.

Do I have to clean the caulking once JustTeak Teak Sealer is applied?

No, you do not need to clean the caulking once the JustTeak Teak sealer is applied. It will just leave a thin transparent coating, which will age evenly over time.

Is the JustTeak Cleaner and Brightener safe to rinse off into the ocean?

Yes. The JustTeak™ Cleaner and Brightener meets the 2018 Guidelines within Annex V of MARPOL (International Convention for the Prevention of Pollution from Ships): Cleaning agents and additives in deck and external surfaces wash water. Therefore, they are Non-hazardous to the marine environment.