Extreme Climate Brick Sealer | Professional Water Seal  

Why Homeowners Choose Extreme Climate Brick Sealer

A Proven Track Record Waterproof Sealant

When standard waterproof sealants have failed you repeatedly, choose the clear waterproof sealant with an almost unanimous record of customer success.

One-Coat Simplicity

Save time and money. While cheaper water sealants require multiple coats and frequent reapplication, this premium paint-on water sealer delivers complete protection in a single application.

Superior Penetration

Advanced spirit-based formula drives this waterproof sealant for brickwork deeper into masonry than water-based alternatives. Better penetration means longer-lasting results from your brick water sealer, especially on older or weathered walls.

Outstanding Customer Feedback

"Customer feedback is almost unanimous—Extreme Climate has saved many times its cost compared to wasted money on cheaper alternatives."

Perfect for Your Most Challenging Brick Waterproofing Problems

Heritage & Period Properties

• Compatible with lime mortar: This clear, waterproof sealant protects new pointing without interfering with the natural curing process
• Limestone sealing: No darkening effect that ruins the appearance of natural stone
• Invisible protection: This clear water-resistant sealant preserves your home's original character
• Breathable technology: Won't trap moisture inside old walls like inferior waterproof sealants

Coastal & Exposed Properties

• Salt spray resistance: Proven external waterproof sealant performance in Britain's harshest coastal conditions
• Driving rain protection: This outdoor waterproof sealant shields walls that take the brunt of severe weather
• Highland performance: Handles freeze/thaw cycles and extreme temperature swings
• Long-term durability: Formulated specifically as the ultimate exterior waterproof sealant for the UK's challenging climates

Problem Areas That Keep Coming Back

• Failed previous treatments: This waterproof brick sealer succeeds where other water sealants have let you down
• Chimney damp: Handles the complex brick waterproofing problems that cause damp patches and mould growth
• New build salt staining: Stops unsightly white marks on fresh brickwork
• Porous sandstone: Finally stops leaks in problem stone walls
• Window areas: Eliminates damp around lintels and reveals with targeted water sealant for brickwork application

Advanced Waterproof Sealant Technology

Premium chemistry for lasting results.

Extreme Climate uses cutting-edge hydrophobic technology that lines the microscopic pores in your masonry rather than simply coating the surface. This paint on waterproof sealer's specialised spirit-based formula ensures deep penetration while maintaining your walls' natural ability to breathe.

The result? Superior waterproof sealant for brickwork performance that outperforms cheaper water-resistant sealants while preserving your property's original appearance and character.

Versatile Water Sealant Applications Around Your Home

Structural Protection

• Multi-surface compatibility: Works as a waterproof concrete sealer, brick water sealer, and stone treatment
• Clear protection: This clear waterproof sealant preserves the freshly repointed mortar's appearance
• Stops lateral penetrating damp: Superior water sealant performance at the source
• Below-ground applications: Effective concrete seal waterproofing for basements and foundations

Preventive Benefits

• Keeps walls cleaner: This external waterproof sealant prevents dirt and pollution from penetrating the surface
• Reduces organic growth: Less moisture means less moss and mould
• Improves thermal comfort: Slightly warmer walls reduce condensation problems
• Lower maintenance costs: Sealed surfaces treated with this outdoor waterproof sealant stay in better condition longer

Specialist Situations

• Exposed gable ends: This exterior waterproof sealant protects walls that face the worst weather
• Garden walls: Prevent deterioration from constant moisture exposure with reliable brick waterproofing
• Outbuildings: Ideal waterproof concrete sealer for garages, workshops, and storage buildings
• Problem chimneys: Handles the unique challenges of chimney damp with targeted water sealant application

Simple Paint-On Water Sealer Application Process

Preparation Steps

1. Clean thoroughly: Remove loose debris, moss, and mould with a wire brush
2. Deep clean if needed: Pressure wash sound walls or use a specialist cleaner for salt stains
3. Remove organic growth: Apply Bio-Wash to stop moss and mould returning
4. Repair pointing: Fix any cracked or loose mortar joints before applying this waterproof sealant for brickwork

Paint On Waterproof Sealer Application

• Ready to use: This water sealant requires no mixing or dilution
• One coat coverage: Apply this waterproof brick sealer thoroughly until the surface won't absorb any more
• Work systematically: Start at the top and work your way down with this paint on water sealer
• Simple tools: Use a good-quality brush or garden sprayer for this clear, water-resistant sealant

How Much You'll Need

4-6 square meters per litre, depending on how porous your walls are. Example: A typical house front (40 sq m) needs approximately 8 litres. Tip: Don't subtract windows and doors from your calculation, window reveals add more area than you think

Safety & Handling

Important Precautions

• Spirit-based product: Ensure good ventilation during application
• Protect surfaces: Cover windows and doors to avoid contamination
• Keep flames away: No smoking or ignition sources during use
• Indoor ventilation: Close air vents to prevent fumes from entering the house

Complete Documentation

• Full technical data sheets provided
• Safety information for home use
• Step-by-step application guides
• Troubleshooting advice for different situations

Technical Details

Product Type: Premium hydrophobic waterproof sealant for masonry
Technology: Ultra-premium water-resistant sealant concentrate in a spirit carrier system
Application: Paint on water sealer applied by brush or spray to the refusal (surface saturation)
Coverage: 4-6 sq m per litre (varies with porosity)
Coats Required: Single application waterproof brick sealer
Drying Time: Touch dry 2-4 hours, fully cured 48 hours
Finish: Completely invisible, clear, waterproof sealant, no surface change
Suitable For: Brick water sealer, waterproof concrete sealer, stone, render, lime mortar
Application Temperature: 5°C to 30°C
Available Sizes: 75ml tester, 5L, 20L bundle, 25L (x4) of this exterior waterproof sealant

Technical Advice

Not sure if Extreme Climate is right for your problem? Our technical team can assess your specific situation and recommend the best approach. We've seen every type of damp problem and can guide you to the right solution.

Application support: Get expert advice on preparation, application technique, and what to expect from the treatment.

Problem diagnosis: Help identify the root cause of your damp issues before you spend money on the wrong solution.

Contact us 

Order & Delivery

Homeowner Service

• Fast UK delivery: Usually next working day for stock items
• Try before you buy: 75ml tester available for just £4.94
• Great value bundles: 20L bundle offers significant savings for larger projects
• No minimum order: Buy exactly what you need
• Customer support: Help throughout your project

Easy Ordering

• Test first: 75ml tester for small area trials
• Home projects: 5L size covers most residential jobs
• Larger areas: 20L bundle offers excellent value
• Phone orders: Speak to our team for advice and ordering
• Local collection: Save on delivery costs

Phone Orders & Advice: 01229 869100

Opening Hours: Monday-Friday 08:30 - 16:30

Complete Your Damp Control System

Get the best results with our complementary products:

• Kingfisher Bio-Wash: Removes moss and mould permanently before sealing
• Kingfisher Pointing Solution: Waterproof additive for mortar repairs
• Eco Brick Cleaner: Safe removal of salt stains and efflorescence
• Weatherflex Masonry Paint: Long-term decorative protection for sealed walls

Two primary delivery options for smaller U.K MAINLAND orders (Typically under 100 Kg):

Standard 3-day service: £6.25 plus VAT (Note: Highlands Postcodes may be up to 5 working days)

Next Working Day*: £13.95 plus VAT (Not available to Highlands Postcodes)
*Excludes weekends and public holidays

Cut-off time for “Next Working Day” orders to be processed is 12:00 noon. Once your goods have been despatched, you will normally receive a confirmatory e-mail with tracking details so that you can check the progress of your order. Details

Yes, Extreme Climate is the preferred brick sealer for heritage and listed buildings. This brickwork sealer penetrates without altering the appearance and allows for natural breathability, essential for historic masonry.

Unlike conventional brick sealers, Extreme Climate requires only ONE coat and provides superior protection while maintaining breathability. This wall sealer outperforms damp paints and preserves the original texture.

Absolutely. Extreme Climate excels as a brickwork sealer in coastal environments, providing superior protection against salt damage and driving rain where other brick sealers fail.

Our advanced hydrophobic technology creates the ultimate brick sealer for extreme conditions. This brickwork sealer penetrates deeply while allowing moisture vapour transmission.

Yes, while designed for professionals, this brick sealer is DIY-friendly, with options for brush or spray application. Complete application guides ensure successful results with brickwork sealer.

This efficient brickwork sealer covers 4-6 square metres per litre. A typical 40 square metre wall requires approximately 8 litres of this professional water seal.