Heavy-Duty Limescale & Mortar Removal for Brick, Concrete & Stone
Extreme Wash 80 is a professional-strength brick acid cleaner designed to dissolve cement, mortar, and heavy limescale on masonry surfaces. Formulated with hydrochloric acid and boosted with powerful surfactants, it penetrates deep into porous materials to remove stubborn construction residue, mineral build-up, and contamination fast.
Ideal for post-construction clean-up, brick cleaning, and stone restoration, it’s trusted by contractors, facilities teams, and maintenance crews across the UK. Use it on brick walls, block paving, render, factory floors, and patios for a deep clean that restores natural finish and colour.
Industrial-Grade Brick Cleaning Acid for Heavy-Duty Use
- Dissolves mortar, cement residue, and thick limescale
- Strips stains, efflorescence, and ingrained grime
- Restores surface condition on brick, stone, and concrete
- Blended with surfactants for deeper cleaning action
- Used in heavy industry, construction, and refurbishment
Where to Use This Powerful Brick Acid Cleaner
- Brick and stone walls, patios, and paved areas
- Post-builder cleans on residential or commercial properties
- Render cleaning and refurbishing external masonry
- Industrial sites, loading bays, and commercial yards
- Construction clean-up after brickwork, pointing, or rendering
Why Choose Extreme Wash 80 Over Standard Brick Cleaning Acid
Unlike basic or bleach-based products, Extreme Wash 80 is engineered for professional industrial applications. Its concentrated hydrochloric acid formula is enhanced with surfactants to improve surface penetration and efficiency - saving time on large-scale cleaning jobs and delivering superior results with fewer applications.
Important
- Causes severe skin burns and eye damage.
- May cause respiratory irritation.
- Do not breathe mist, spray.
- Use only outdoors or in a well-ventilated area.
- Wear protective gloves, eye protection, face protection.


1️⃣ Dilute Based on Soiling Level: For general limescale or mortar stain removal, dilute Extreme Wash 80 at 1:50 with clean water. For heavy soiling, cement splashes, or deep-set stains, increase the concentration up to 1:15 for maximum cleaning power.
2️⃣ Apply to Affected Area: Use a brush, sprayer, or watering can to apply the brick acid cleaner evenly to the surface. Agitate with a stiff brush to lift stubborn deposits on brick, stone, or concrete.
3️⃣ Contact Time & Ventilation: Allow the product to dwell for 10 minutes to penetrate and dissolve residues. Ensure the area is well-ventilated during application to allow safe use of this industrial-strength cleaner.
4️⃣ Rinse Thoroughly: Rinse the treated surface thoroughly with clean water to neutralize the acid and flush away all loosened dirt and grime. Avoid contact with sensitive materials or vegetation.
How do you use Extreme Wash 80 brick cleaner?
Extreme Wash 80 is typically diluted with water and applied to brick or masonry surfaces using a brush or sprayer. The solution should be allowed to react briefly with the cement or mortar residue before rinsing thoroughly with clean water. This process helps dissolve construction contamination and restore the appearance of the brick surface.
What surfaces can Extreme Wash 80 be used on?
Extreme Wash 80 is designed for brick, masonry, and similar mineral building materials. It is commonly used on brick walls, blockwork, stone surfaces, and exterior masonry where cement splashes, mortar residue, or construction staining needs to be removed following building or renovation work.
Where is Extreme Wash 80 commonly used?
Extreme Wash 80 is widely used in construction, building maintenance, and exterior cleaning industries. Contractors, builders, and professional cleaners apply it to newly built brickwork, renovated buildings, and masonry structures where cement residue and mortar stains must be removed after construction work.
How quickly does Extreme Wash 80 work?
Extreme Wash 80 begins reacting with cement and mortar residue shortly after application. The acid formulation dissolves alkaline construction deposits, loosening them from the brick surface so they can be rinsed away. Visible results are often achieved quickly once the product has been allowed to dwell and the surface is thoroughly washed.
How do you remove cement from bricks?
Cement and mortar residue can be removed from brickwork using a specialist brick acid cleaner. Extreme Wash 80 is formulated to dissolve cement splashes, mortar stains, and construction residue from brick and masonry surfaces. It is commonly used after building work or repointing to restore the natural appearance of bricks without aggressive mechanical scrubbing.
Best cleaner for cement stains on brickwork?
The best cleaner for cement stains on brickwork is a professional brick acid cleaner designed to dissolve alkaline construction residue. Extreme Wash 80 penetrates and breaks down cement, mortar smears, and builders’ residue left on brick and stone surfaces, helping restore a clean and uniform finish after construction or renovation work.
How do professionals clean new brickwork after building?
Professional builders and exterior cleaning specialists often use brick acid cleaners to remove mortar stains and construction residue from new brickwork. Extreme Wash 80 works by dissolving cement-based contamination so it can be rinsed away easily. This process helps reveal the natural colour and finish of bricks following construction or repointing work.
What removes mortar stains from brick and masonry?
Mortar stains on brick and masonry can be removed using a specialised acid-based brick cleaner. Extreme Wash 80 is designed to break down dried mortar, cement splashes, and construction staining on brick surfaces. It is widely used in building maintenance and construction cleaning to restore brickwork appearance after installation.
Our maintenance team purchased this for the school to clean up the bricks and stone surfaces around the school. A little seemed to go a long way. Really impressed with the results.
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This brick acid cleaner is brilliant for patios, concrete and pretty much all outdoor surfaces!
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Cheers Cath - you really know your stuff! This brick acid cleaner really made a difference to the front of our house. I will repurchase next time we do a refurb project!
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Fast delivery and an even faster working product. Pleased with how well this came out in such a short space of time!
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The guys at APT really listened to my concerns and matched me with a product that is suited for the task. We used the brick acid cleaner to remove years worth of build-up on the front of our shop. Our clients even comment on the transformation!
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Strong product, but works really well if you stick to the directions of use. I got a bit carried away and started trying it on all our outside surfaces!
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Our patio area looked pretty wrecked after months of neglect, Ria suggested we try their brick acid cleaner and we have been really pleased with the results. Wish we could share photos on here to show the results!
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Brought up concrete patio area well removed ingrained black damp areas and helped clean up concrete on roof tiles which had been pointed. Thanks APT
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Results pretty much straight away. The brickwork outside our builders merchants was really looking naf. We used APT’s brick acid cleaner and found it worked really quickly with little elbow grease required.
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Cleaned all the outside walls of my workplace but it is strong stuff so make sure you are fully protected. Will be buying Extreme wash 80 again
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Sensational. Brilliant. Excellent. The only three words that come to mind when I speak of APT. Extreme wash 80 is exceptional.
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This is a strong acid brick cleaner that APT had provided me. I would advise the use of PPE kits as this is a strong product.
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This has been the best purchase of the year so far. Extreme wash 80 has cleaned the brick walls in my garden perfectly
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APT have given me so much help and support with making sure I find the best product for what I need band this Extreme wash 80 certainly did not disappoint.
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Could not have asked for a better product. This works miracles and has made life so much easier. APT you have done it again. Another brilliant deal.
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After using a variety of brick acid cleaners over the years. I am glad to have found APT’s Extreme wash 80. It makes all brick surfaces come up a dream and trust me I have never used one like this.
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Brilliant brick acid cleaner. I could not recommend APT enough.
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This cleaned my driveway perfectly. It is such a strong and well working product however I do suggest wearing PPE while using it for safety precautions. Extreme 80 will be reordered asap as it is now a must have for me.
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I have tried so many brick cleaners but Extreme wash 80 is by far he best I can not recommend APT enough.
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Extreme wash 80 is the best for cleaning dirty bricks. I have a wall outside my house which was full with scum and debris. This product worked great for that. It honestly does what it says on the bottle. I would definitely recommend APT for all your cleaning needs
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Shipping & Returns Information - APT Commercial Chemicals
At APT, we understand that timely delivery is essential to your operations. Below you'll find everything you need to know about our shipping and returns processes.
Delivery & Shipping DetailsOrders are shipped using our trusted courier partners: DHL, DPD, and Owens Group. Shipping fees depend on the order value, total weight, and delivery location within the UK.
Please note: Not all orders qualify for free delivery. Hazchem items and bulk shipments may carry additional charges.
LOCATION
ORDER VALUE
DELIVERY COST
UK Mainland
(1-3 days)
£100.00+
Free*
UK Mainland
(1-3 days)
Under £100.00
£8.45
Scottish Highlands
(3-7 days)
Any
From £23.11
Northern Ireland
(3-7 days)
Any
From £21.83
*Free delivery excludes hazchem items and orders over 100kg. Shipping is automatically calculated at checkout.
Hazchem Delivery
Certain products are classified as hazardous and must be shipped through the Hazchem Network. These items always incur a delivery fee due to strict handling and transport regulations.
Delivery costs for Hazchem products are calculated based on weight and delivery address, and will be shown clearly at checkout.
Returns & RefundsWe want you to be completely satisfied with your purchase. If you need to return an item, please read the following:
· As per our Terms & Conditions, all returns should be received by us no later than 14 days after they were dispatched. The goods must be returned to us unopened, unused and in their original packaging.
· Once we receive and inspect your return, we'll notify you of the outcome.
· Approved returns are refunded to your original payment method, minus a 25% restocking charge.
· Refund processing times may vary depending on your bank or payment provider.
Please Note: A 25% restocking fee applies to all returned items unless agreed otherwise in writing prior to return.
Damaged or Incorrect Items
Please inspect your order upon arrival. If your item is damaged, defective, or incorrect, contact customerservices@apt-icc.co.uk immediately so we can resolve the issue promptly.
Non-Returnable Items
We cannot accept returns for:
· Hazardous goods or flammable liquids
· Sale items
· If you're unsure whether your item is eligible for return, contact our support team at customerservices@apt-icc.co.uk or call 0800 0723 773.
Exchanges
Need a different item? Please contact customerservices@apt-icc.co.uk to arrange an exchange subject to T&C's.