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Cornish Milk Mineral Paint

Extreme Lacquer & Stain Block (Discontinued)

Extreme Lacquer & Stain Block (Discontinued)

Regular price £12.95 GBP
Regular price £24.00 GBP Sale price £12.95 GBP
Sale Sold out
Shipping calculated at checkout.

Cornish Milk's Extreme Lacquer & Stain Blocker is our revolutionary eco, water-based interior and exterior lacquer for sealing painted surfaces for added extra 'tough' protection. 

Our lacquer is perfect for painted projects, which will be higher traffic areas such as chairs & table tops.

Extreme Lacquer has been designed to be used in areas of high moisture, such as kitchens, bathrooms and on all your exterior projects. Eco-Extreme is also a powerful stain and odour blocker, blocking all chemical and natural based stains, prior to painting and will also stop any stains coming through after painting. 


Our unique formula is easy to apply, using a brush or roller. Simply apply to the stained surface prior to painting, dry for one hour and then paint over using Cornish Milk Mineral Paint/ OR add the lacquer to the paint itself for your final coat for extra protection. Once dried you will be left with a fully-washable and extra tough sealed surface.

Available in 500ml Tins, in two finishes ''Flat Matt & Satin Sheen''

Extreme Lacquer is being discontinued and once sold out, will not be back in stock. New Product launching soon! 


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  • Shipping

    Cornish Milk Mineral Paint uses DPD Local as our main shipping provider. Please allow up to four working days for your parcel to arrive. All online orders are booked in for next working day delivery once fulfilled, but DPD Local are not always able to commit to this, due to Royal Mail strikes and delivery delays. All parcels are given a tracking consignment number which is emailed to you.

  • Returns

    Unhappy with your order? You can return any online order within fourteen working days. Simply email us at and we will arrange a Delivery service back to us. All you are required to do is pay for the return, print off the DPD Local shipping label and take your returning order to a DPD Local drop off site within your local area. All returning parcles are charged at £4.95.


Sustainability and being environmentally-friendly is always at the forefront of Cornish Milk Mineral Paint®.

Reece & Joe are passionate about protecting their Cornish heritage surroundings and the health of upcyclers across the United kingdom. 

All of Cornish Milk Mineral Paint’s products are proudly made using the highest quality plant-based ingredients, Bio-resins and organic earth pigments. Our preparation and finishing tools are proudly made using 100% plant-based ingredients only. No toxic chemicals, solvents or compounds will be found in Cornish Milk Mineral Paints and tools.