"Works well"
FREE Shipping on orders over $150 (Weight Restrictions Apply)
Optimum Gelcoat Restorer (GCR) brings heavily oxidised and faded gelcoat back to a factory fresh gloss without polishing, sanding or compounds. Engineered for boats, yachts, jet skis and RVs, GCR soaks into porous, sun damaged gelcoat and rebuilds it from the inside, restoring colour and adding UV protection that lasts 2 to 3 years. One 946ml bottle covers up to four coats on a 40ft boat.
Detailing Shed is the Australian Master Distributor for Optimum Polymer Technologies. Genuine product, authorised supply, full local support.
Yes. GCR works on both clear and coloured gelcoat, provided the surface is sufficiently oxidised and porous to absorb the product. It restores the original colour by re saturating the pigment.
Polishes and compounds remove gelcoat. They grind the oxidised top layer away to expose fresher material underneath, and each pass takes a tiny bit of your finite gelcoat thickness with it. GCR works the opposite way. It absorbs into the porous oxidised layer and rebuilds it from the inside, preserving the gelcoat thickness while restoring gloss and adding UV protection.
2 to 3 years on most surfaces, provided you maintain it by washing with Optimum No Rinse and applying Optimum Car Wax every 6 months.
No. New gelcoat isn't porous enough to accept GCR, so the product won't absorb properly. GCR is specifically engineered for old, sun damaged, oxidised gelcoat. For newer surfaces, use a maintenance wax or marine sealant instead.
Anywhere from 1 to 5 coats depending on the level of oxidation. Light oxidation may only need 2 to 3 coats. Heavily oxidised, chalky gelcoat typically needs 4 to 5 thin coats. Gloss really starts to develop on layers 4 and 5.
Yes. Unlike most polishes and waxes that need shade and a cool surface, GCR can be applied in bright sunlight, which makes it practical for marina and outdoor application where shade isn't always available.
Streaking usually means too much product was applied. To remove it, polish with Optimum Hyper Polish and an orange foam polishing pad. For stubborn streaks, step up to Optimum Intensive Polish.
Yes. As the Australian Master Distributor for Optimum, we ship GCR Australia wide with free shipping on orders over $150 (weight restrictions apply). Click and collect is also available from our Caringbah, NSW location.
Please allow extra time for delivery to regional and remote areas.
Free Shipping on orders over $150 excluding remote areas and certain weight restrictions apply for free shipping in each state. Trade accounts $250 minimum for free shipping.
The following qualifies for free shipping:
For orders with free shipping, we determine whether to use a courier service or Australia Post based on the address. If you prefer your order to be shipped via Australia Post, please select the "Parcel Post" option at checkout.
Note: We do not ship to PO Boxes or Parcel Lockers with free shipping.
If your parcel is returned to us, the following conditions outline when additional shipping costs may apply:
*We will not be held responsible for delays or late delivery of Australia Post or courier services.
*If a parcel does not arrive as anticipated, please allow 5-7 working days for Australia Post or couriers to complete process of tracking and locating as in most cases it turns up after 3-7 days of expected delivery. We cannot refund or send another item until this process is completed.
*We don't take responsibility for orders that are lost or stolen once the parcel has been delivered to the correct delivery address.
*Items that are over 21kg may require to pay extra freight costs if in regional or remote areas - we will contact you if this is the case.
All of our prices are in Australian dollars (AUD) and include GST (Goods and services tax)
At Detailing Shed, we're a family-owned business that genuinely wants you to be happy with your purchase.
If something isn't right, please contact us before returning anything. In many cases, we can help resolve the issue with product advice, troubleshooting, or support from our team.
This policy explains how returns, refunds and warranty-related claims are handled while respecting your rights under Australian Consumer Law.
Nothing in this policy limits or replaces your rights under Australian Consumer Law.
If a product has a major or minor failure, you may be entitled to a remedy under Australian Consumer Law. The terms below primarily apply to change-of-mind purchases and circumstances not covered by consumer guarantees.
We may accept approved change-of-mind returns subject to the following conditions:
To request a return, email info@detailingshed.com.au with:
Due to safety, hygiene, freight and manufacturer restrictions, the following products are not eligible for change-of-mind returns:
These products cannot be returned for change of mind unless required under Australian Consumer Law.
With prior approval, we may accept returns on unused and unopened items such as:
Please contact us before sending anything back.
If you believe a product isn't performing correctly, please contact us before returning it.
To help us assess the issue, please provide:
In some cases, we may ask you to return the product for inspection.
If testing shows the product is operating as intended, the matter may be treated as a change-of-mind return and the standard conditions above may apply.
Products excluded from change-of-mind returns remain ineligible for return where no fault is found.
For orders shipped to New Zealand, customers are responsible for return shipping costs when sending back:
This applies to inspections, repairs and warranty-related claims.
Due to the high cost of international freight, we are unable to cover these return shipping costs.
If you've ordered the wrong item, you're welcome to return eligible products under this policy and place a new order for the correct item.
If you're unsure which product is right for you, our team is happy to help.
Orders can be cancelled before they have been processed or dispatched.
Approved cancellations will be refunded to the original payment method less a 3% payment processing fee.
Once an order has been processed or shipped, it can no longer be cancelled. However, eligible items may still be returned under our Change of Mind Returns policy.
If your order arrives damaged, incorrect or faulty, please contact us within 10 days of delivery.
Email info@detailingshed.com.au and include:
We'll work with you to assess the issue and determine an appropriate resolution.
If your parcel appears to be missing, we'll work with the carrier to investigate.
Please allow 7-15 business days for the investigation to be completed before a resolution can be finalised.
Manufacturers occasionally update packaging, labels and colours without notice.
As a result, the product you receive may vary slightly from the images shown on our website. This alone does not constitute a fault provided the correct product has been supplied.
Discount codes must be applied during checkout.
Unfortunately, discounts cannot be applied retrospectively and we cannot refund the difference after an order has been placed.
If you're experiencing issues with a discount code, please contact us before completing your purchase.
We're always happy to help.
Email: info@detailingshed.com.auinfo@detailingshed.com.au
When contacting us, please include:
Our team will do their best to resolve your enquiry quickly and fairly.
We're here to help
If you need to contact us for advice on any of the products, please email us at info@detailingshed.com.au
Please include description of the product you are interested. Some info of you car, and also what you are trying to achieve.
We may also review our blogs for product recommendations.
Overall rating: 5.0 / 5 from 3 reviews.
Review topics: [].
"Works well"
"This product is way beyond others on the market. My boat was so badly oxidised that there was no way of polishing it to a reasonable shine. All the polishing produced a patchy finish of low gloss. Optimum Gelcoat Restorer does what it says. It produces a great finish with no polishing required. After the surface is cleaned, simply wipe on with a damp applicator and apply it in really thin coats, the thinner the better result."
"The best I’ve used"