Coo-Var ProSeal High Performance Primer - 2-Pack Epoxy Primer for Porous Floors & Tricky Surfaces

• Prime clean, dry porous floors and tricky surfaces like power-floated floors and glossy tiles for ultimate adhesion

• Achieve rock-solid adhesion on clean, dry tiles (glossy and ceramic), power-floated concrete, and porous surfaces

• Use high-performance 2-pack epoxy primer that prolongs floor life and prevents peeling of topcoats

• Prime before applying epoxy floor paints (Profloor, Profloor Plus, Progrip) or water-based floor paints (Acrylic Floor Paint)

• Apply water-based low-odour primer (< 10 g/L VOC) safe for occupied commercial and industrial spaces

• Use professional-grade primer from Coo-Var (115+ years British coating expertise, trusted by flooring contractors)

• Prime clean, dry surfaces without oil or damp contamination for optimal adhesion

• Prolong floor life and ensure ultimate adhesion for epoxy and acrylic floor systems

• Prime oil or damp contaminated surfaces (use Coo-Var Dampshield Primer for damp or oily surfaces instead)

• Apply to wet, damp, or saturated surfaces (surface must be clean and dry before application)

• Use as a standalone floor coating (this is a primer—apply topcoat after minimum 16 hours)

• Achieve instant full cure (full cure requires 5–7 days—plan for curing time)

• Apply topcoat immediately (minimum 16 hours cure time required before topcoat application)

• Apply topcoat after 7 days (maximum recoat window is 7 days for optimal inter-coat adhesion)

• Use single pack simplicity (this is 2-pack epoxy requiring mixing Part A + Part B with 1.5–2 hour pot life)

• Apply in temperatures below 10°C (minimum application temperature 10°C for proper cure)

Coo-Var ProSeal High Performance Primer is a water-based 2-pack epoxy primer designed for porous floors and tricky surfaces like power-floated floors and glossy tiles when not contaminated with oil or damp. Unlike standard primers that fail on difficult surfaces, this high-performance 2-pack epoxy formulation creates rock-solid adhesion on clean, dry tricky surfaces, prolonging floor life and ensuring ultimate adhesion for epoxy and acrylic floor paints.

Developed by Coo-Var with over 115 years of British coating expertise, ProSeal is the professional solution for priming clean, dry porous floors and tricky surfaces before applying epoxy floor paints (Profloor, Profloor Plus, Progrip) or water-based floor paints (Acrylic Floor Paint). The 2-pack epoxy chemistry creates a molecular bond with difficult surfaces, preventing peeling and delamination whilst providing a stable foundation for topcoats.

When porous concrete, power-floated floors, and glossy tiles need floor coatings, standard primers fail to provide adequate adhesion on these tricky surfaces, leading to peeling, delamination, and coating failure. Coo-Var ProSeal's high-performance 2-pack epoxy formulation penetrates porous surfaces and bonds to tricky surfaces like power-floated concrete and glossy tiles, creating rock-solid adhesion that prolongs floor life and ensures long-lasting floor systems.

The water-based solvent-free formulation is low odour (< 10 g/L VOC) and safe for occupied spaces, whilst the 2-pack epoxy chemistry provides professional-grade adhesion. The semi-gloss finish dries clear or light grey, providing a stable foundation for epoxy and acrylic topcoats. Coverage of 35–50 m² per 5kg unit makes it cost-effective for large floor areas.

Suitable for clean, dry porous concrete, power-floated concrete, glossy tiles (ceramic), screed, and tricky surfaces requiring high-performance adhesion. Not suitable for oil or damp contaminated surfaces – use Coo-Var Dampshield Primer for damp or oily surfaces. Apply 1 coat of ProSeal to clean, dry surfaces, allow to cure for minimum 16 hours, then apply epoxy or acrylic topcoat within 7 days for optimal inter-coat adhesion.

Manufactured in the UK to rigorous standards and trusted by flooring contractors, facilities managers, industrial maintenance teams, and professional decorators for high-performance adhesion on clean, dry tricky surfaces.

Key Benefits:

• High-Performance Adhesion on Tricky Surfaces – 2-pack epoxy formulation creates rock-solid adhesion on porous floors and tricky surfaces like power-floated concrete and glossy tiles. Prevents peeling and delamination. Prolongs floor life and ensures ultimate adhesion.

• Primes Glossy Tiles & Ceramic – Specifically designed to prime glossy tiles and ceramic surfaces that are too smooth for standard primers. Creates molecular bond with tricky tile surfaces. Ensures epoxy and acrylic topcoats adhere correctly.

• Primes Porous & Power-Floated Concrete – Penetrates porous concrete and power-floated concrete to create stable foundation. Seals porous surfaces for consistent adhesion. Provides professional-grade adhesion on clean, dry floors.

• Works with Epoxy & Acrylic Paints – Compatible with epoxy floor paints (Profloor, Profloor Plus, Progrip) and water-based floor paints (Acrylic Floor Paint). Versatile primer for multiple topcoat systems. Prolongs floor life regardless of topcoat choice.

• Water-Based Low Odour Formula – Water-based solvent-free formulation is low odour (< 10 g/L VOC) and safe for occupied spaces. Ideal for commercial and industrial environments. Easy cleanup with water.

• Fast Turnaround – Touch dry 2–3 hours, hard dry 16 hours. Apply topcoat after minimum 16 hours. Quick return to service for minimal downtime. Full cure 5–7 days.

• Clean Dry Surfaces Only – Designed for clean, dry surfaces without oil or damp contamination. Clean with Oil Remover or Universal Degreaser before priming. For damp or oily surfaces, use Coo-Var Dampshield Primer instead.

• Coo-Var Heritage – Over 115 years of British coating expertise. Trusted by flooring contractors and industrial maintenance teams for high-performance adhesion on tricky surfaces.

Prolong floor life with high-performance 2-pack epoxy primer. Add to basket now and ensure ultimate adhesion.

Coo-Var ProSeal High Performance Primer is the perfect choice for priming clean, dry tricky surfaces before floor coating in a variety of applications:

• Glossy Tiles & Ceramic – Ideal for priming clean, dry glossy tiles and ceramic surfaces before floor coating. Creates rock-solid adhesion on smooth tile surfaces. Eliminates need for mechanical abrasion. Perfect for showrooms, retail spaces, and commercial areas with existing tile floors requiring upgrade.

• Power-Floated Concrete – Great for priming clean, dry power-floated concrete which is too smooth and dense for standard primers. Penetrates and bonds to dense concrete. Creates stable foundation for topcoats. Perfect for warehouses, factories, and industrial facilities with power-floated floors.

• Porous Concrete Floors – Perfect for priming clean, dry porous concrete before floor coating. Seals porous surface and creates consistent adhesion. Prevents paint absorption and ensures uniform finish. Ideal for workshops, garages, and commercial spaces with porous concrete floors.

• Screed & Tricky Surfaces – Suitable for priming clean, dry screed and other tricky surfaces requiring high-performance adhesion. Creates molecular bond with challenging substrates. Ensures topcoats adhere correctly. Ideal for commercial and industrial environments with mixed floor surfaces.

• Epoxy Floor Systems – A must-have for creating ultimate epoxy floor systems when combined with Profloor, Profloor Plus, or Progrip topcoats. Provides professional-grade adhesion foundation. Prevents peeling and delamination. Prolongs floor life significantly.

• Acrylic Floor Systems – Ideal for creating durable acrylic floor systems when combined with Coo-Var Acrylic Floor Paint. Ensures water-based floor paints adhere correctly to tricky surfaces. Prolongs floor life and prevents coating failure. Perfect for light traffic areas requiring low-odour systems.

If you need further advice on using Coo-Var ProSeal High Performance Primer for your project, contact our experts now via the live chat for personalised guidance!

Coverage: Approx. 35–50 m² per 5kg mixed unit @ 45 µm DFT

Per Unit Coverage (Single Coat):
• 5kg mixed unit: Covers approx. 35–50 m²

Recommended Application: 1 coat primer before topcoat application

Example Calculations:

Small Floor or Room (25 m² floor area):
• Total area: 25 m² × 1 coat = 25 m² coverage needed
• Primer required: Approx. 0.6 units total
• Recommended: One 5kg unit (£140.00) will cover with material left over

Medium Floor or Workshop (50 m² floor area):
• Total area: 50 m² × 1 coat = 50 m² coverage needed
• Primer required: Approx. 1.2 units total
• Recommended: Two 5kg units (£280.00)

Large Floor or Warehouse (100 m² floor area):
• Total area: 100 m² × 1 coat = 100 m² coverage needed
• Primer required: Approx. 2.4 units total
• Recommended: Three 5kg units (£420.00)

Coverage may vary depending on surface porosity and texture. Porous or rough surfaces may require more primer. For accurate project planning, we recommend ordering 10–15% extra to account for surface variation and mixing wastage.

Important: Mix only what you can apply within pot life (1.5–2 hours at 20°C). Apply topcoat after minimum 16 hours, maximum 7 days for optimal inter-coat adhesion. Full cure 5–7 days.

Recommended System Products:
• Coo-Var Oil Remover for eliminating ingrained oils
• Coo-Var Universal Degreaser for cutting through grease
• Coo-Var Acid Etch for chemically preparing concrete
• Epoxy Floor Paints (Profloor, Profloor Plus, Progrip)
• Water-Based Floor Paints (Acrylic Floor Paint)
• Application Tools (brushes, rollers, extension poles)

Surface Preparation:

IMPORTANT: ProSeal is for clean, dry surfaces only. Not suitable for oil or damp contaminated surfaces. Use Coo-Var Dampshield Primer for damp or oily surfaces.

Glossy Tiles & Ceramic:
• Clean tiles thoroughly with Coo-Var Universal Degreaser to remove grease, dirt, and contamination
• Ensure tiles are sound and well-adhered
• Lightly abrade glossy tile surface to improve adhesion (optional with ProSeal)
• Remove all loose material and dust
• Surface must be clean, dry, and free from oil or damp contamination

Porous Concrete & Power-Floated Concrete:
• Clean surface with Coo-Var Universal Degreaser to remove oil, grease, and contamination
• For ingrained oils, use Coo-Var Oil Remover to eliminate oils completely
• For smooth power-floated concrete, chemically abrade with Coo-Var Acid Etch
• Repair cracks and damaged areas with suitable epoxy repair compound
• Ensure surface is clean, dry, and free from oil or damp contamination

Screed & Tricky Surfaces:
• Clean surface thoroughly to remove contamination
• Remove loose material and dust
• Surface must be clean, dry, and free from oil or damp contamination

Mixing 2-Pack Epoxy Primer:

IMPORTANT: Read TDS before mixing. Pot life is 1.5–2 hours at 20°C. Mix only what you can apply.

• Ensure Part A (Base) and Part B (Hardener) are at room temperature (10–25°C)
• Mix both parts individually before mixing Part A and Part B together in 1:1 ratio by volume
• Stir thoroughly for 2–3 minutes using slow-speed drill with mixing paddle
• Scrape sides and bottom of container to ensure complete mixing
• Can add up to 10% clean water if required for easier application
• Mixed primer will begin to cure immediately - pot life 1.5–2 hours at 20°C
• Do not mix more than you can apply within pot life
• Warmer temperatures reduce pot life, cooler temperatures extend pot life

Application:

• Apply in temperatures between 10°C and 25°C for optimal cure
• Ensure good ventilation during application and curing
• Use Application Tools (brushes, short-pile rollers) suitable for epoxy
• Pour mixed primer onto floor and spread evenly with roller
• Work quickly within pot life (1.5–2 hours at 20°C)
• Apply at 45 µm DFT for optimal adhesion (35–50 m² per 5kg unit)
• Allow to cure for minimum 16 hours before applying topcoat
• Apply epoxy or acrylic topcoat within 7 days for optimal inter-coat adhesion
• Avoid application in damp, humid, or freezing conditions
• Dispose of tools after use (epoxy cannot be cleaned once cured)

Drying & Curing Times (at 20°C):

• Touch dry: 2–3 hours
• Hard dry: 16 hours
• Recoat time (minimum): 16 hours
• Recoat time (maximum): 7 days
• Full cure: 5–7 days

Curing times may be extended in cooler temperatures or high humidity. Warmer temperatures accelerate cure.

Recommended System Products:
• Coo-Var Oil Remover – Eliminate ingrained oils
• Coo-Var Universal Degreaser – Cut through grease
• Coo-Var Acid Etch – Chemically prepare concrete
• Epoxy Floor Paints – Profloor, Profloor Plus, Progrip
• Water-Based Floor Paints – Acrylic Floor Paint
• Application Tools – Disposable brushes, rollers, extension poles

What is Coo-Var ProSeal High Performance Primer and when should I use it?

Coo-Var ProSeal is a water-based 2-pack epoxy primer designed for clean, dry porous floors and tricky surfaces like power-floated floors and glossy tiles. Use it when you need rock-solid adhesion on clean, dry difficult surfaces before applying epoxy or acrylic floor paints to prolong floor life and ensure ultimate adhesion.

Can I use ProSeal on oil or damp contaminated surfaces?

No, ProSeal is designed for clean, dry surfaces only. It is not suitable for oil or damp contaminated surfaces. For damp or oily surfaces, use Coo-Var Dampshield Primer instead. Clean surfaces with Oil Remover or Universal Degreaser before applying ProSeal to ensure surface is oil-free.

Why do I need ProSeal before applying floor paint?

ProSeal creates rock-solid adhesion on clean, dry tricky surfaces like power-floated concrete and glossy tiles that standard primers cannot bond to effectively. It prolongs floor life and prevents peeling and delamination of topcoats, ensuring your floor system lasts for years.

Can I apply floor paint directly to glossy tiles without ProSeal?

No, glossy tiles are too smooth and non-porous for floor paints to adhere directly. ProSeal creates a molecular bond with clean, dry tile surfaces, providing the adhesion foundation that topcoats require. Without ProSeal, floor paints will peel and delaminate.

Can I apply ProSeal to power-floated concrete?

Yes, ProSeal is specifically designed for clean, dry power-floated concrete which is too smooth and dense for standard primers. The high-performance 2-pack epoxy formulation penetrates and bonds to power-floated concrete, creating stable foundation for topcoats without mechanical abrasion.

What is pot life and why is it important?

Pot life is the working time after mixing Part A and Part B before the primer becomes too thick to apply. ProSeal has 1.5–2 hour pot life at 20°C. Mix only what you can apply within this time. Warmer temperatures reduce pot life, cooler temperatures extend it. Plan your application to work within pot life.

How long do I need to wait before applying topcoat?

Wait minimum 16 hours after applying ProSeal before applying topcoat. Apply topcoat within 7 days for optimal inter-coat adhesion. This recoat window ensures ProSeal is cured enough for topcoat whilst maintaining chemical bond for maximum adhesion.

What floor paints can I use over ProSeal?

ProSeal is compatible with epoxy floor paints (Coo-Var Profloor, Profloor Plus, Progrip) and water-based floor paints (Coo-Var Acrylic Floor Paint). The high-performance adhesion ensures all topcoats adhere correctly for ultimate floor systems.

Can I use ProSeal outdoors?

Yes, ProSeal is suitable for interior and exterior floors. The water-based 2-pack epoxy formulation is weather-resistant. Ensure surface is clean and dry before application and avoid application if rain is expected within 16 hours.

How much coverage can I expect from ProSeal?

ProSeal provides approximately 35–50 m² per 5kg mixed unit at 45 µm DFT. Coverage varies depending on surface porosity. Porous concrete may require more primer than tiles. We recommend ordering 10–15% extra for surface variation and mixing wastage.

Is ProSeal low odour?

Yes, ProSeal is water-based solvent-free with VOC < 10 g/L, making it low odour and safe for occupied commercial and industrial spaces. Unlike solvent-based primers, ProSeal allows work to continue during application and curing.

What's the difference between ProSeal and Dampshield Primer?

ProSeal is for clean, dry surfaces without oil or damp contamination. Dampshield Primer is for damp or oily surfaces where ProSeal cannot be used. Use ProSeal for clean, dry porous floors and tricky surfaces. Use Dampshield for damp or oily surfaces.

What products do I need to complete my floor system?

We recommend using Coo-Var Oil Remover for eliminating oils, Coo-Var Universal Degreaser for cutting through grease, Coo-Var Acid Etch for preparing concrete (optional with ProSeal), ProSeal as primer for clean dry surfaces, then your choice of topcoat (epoxy or acrylic floor paints), and disposable Application Tools. This complete system ensures maximum adhesion and prolongs floor life.

Technical Data Sheet

Safety Data Sheet Hardener

Safety Data Sheet Base

Complete Your High-Performance Floor System:

• Coo-Var Oil Remover – Eliminates ingrained oils and grease that prevent coatings from bonding, ensuring your epoxy adheres correctly from the very first coat

• Coo-Var Universal Degreaser – Rapidly cuts through oil, grease, and traffic film, leaving a spotless surface that helps your epoxy coating achieve maximum durability

• Coo-Var Acid Etch – Chemically prepares concrete and power-floated floors by opening the surface and creating a rough, porous key that epoxy can properly grip

• Application Tools – High-quality brushes, rollers, and extension poles for smooth, efficient application

• Epoxy Floor Paints – Coo-Var Profloor, Profloor Plus, Progrip for ultimate floor protection

• Water-Based Floor Paints – Coo-Var Acrylic Floor Paint for light traffic areas

Need help choosing the right products? Contact our experts via live chat for personalised advice!

Fast, Reliable & Fully Tracked UK Delivery

Every order is dispatched from our warehouse using a fully tracked DX or FedEx service, so you always know when your paint will arrive.

Delivery Options

• FREE Standard Delivery (orders over £75) Arrives in 2–3 working days
• Standard Delivery – £7.95 Arrives in 2–3 working days
• Express Delivery – £13.95 Next working day delivery when you order before 12:00 noon (Mon–Thu)
• Spending £75+? Select Express Upgrade at checkout and only pay the difference

Dispatch & Delivery Times (What Happens After You Order)

• Express delivery (order before 12:00 Mon–Thu) Dispatched same day, delivered next working day
• Standard delivery (Mon–Wed orders) Dispatched next working day, delivered 2–3 working days later
• Orders placed Thursday (standard delivery) Dispatched Friday for Monday delivery
• We do not dispatch or deliver on weekends or UK bank holidays

What to Expect on Delivery

Please provide a contact telephone number at checkout. This allows the courier to share tracking updates or contact you if there are any delivery issues.

Most orders require a signature on delivery. If you may not be available during the day, we recommend delivery to a workplace, business address, or another location where someone can sign.

Outside the UK Mainland?

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For the Highlands, Islands, Northern Ireland, or non-mainland addresses, please contact us for a quick personalised quote via live chat, by calling 01482 222 421, or emailing info@specialistpaintsonline.co.uk.

Bottom Line

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