I N C E P T I O N A I

Top 5 Primers and Sealers in Canada for 2025 β€” Expert-Tested Picks for Durable, Low-VOC Finishes and Hassle-Free Painting

Primers and sealers prepare surfaces for painting, ensuring better adhesion and durability of topcoats. They are essential for home improvement projects that require a smooth and lasting finish on various materials. In Canada, consumer demand for primers and sealers is shaped by a mix of DIY renovation growth, professional contracting needs, and regional climate challenges such as high humidity, cold winters and variable indoor environments. Buyers typically prioritize low-VOC formulations, multi-surface compatibility (drywall, wood, metal, masonry), fast-dry performance for shorter project windows, and stain- or odor-blocking properties. These preferences reflect a desire for reliable results that reduce the number of coats required, limit ongoing maintenance, and meet provincial and national environmental guidelines.

Top Picks Summary

  1. Benjamin Moore Fresh Start High-Hiding All Purpose Primer
  2. SICO Masonry Primer
  3. Zinsser Bulls Eye 1-2-3 Primer
  4. Sherwin-Williams ProBlock Interior/Exterior Latex Primer
  5. Olympic Maximum Clear Waterproofing Sealant
1
BEST BONDING PRIMERS

Benjamin Moore Fresh Start High-Hiding All Purpose Primer

Benjamin Moore

Benjamin Moore Fresh Start High-Hiding All Purpose Primer is lauded for its exceptional hiding capabilities, ideal for use on porous surfaces. Its premium quality formulation ensures superior adhesion and smooth finish, marking it as a top choice among high-end contractors. Offering excellent coverage and ease of application, this primer competes fiercely with others by delivering an optimal starting point for flawless finishes.

4.8
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  • Superior hiding

  • Easy to apply

  • Superior hiding

  • Easy to apply

Review Summary

94.1%

"Benjamin Moore Fresh Start Primer is highly regarded for its superior hiding power and smooth finish, making it a favorite among professionals."

  • For the picky painters

  • High-hiding formula

  • For the picky painters

  • High-hiding formula

Time-Saving Convenience

Aesthetic & Personal Appeal

Benjamin Moore Fresh Start High-Hiding All Purpose Primer is lauded for its exceptional hiding capabilities, ideal for use on porous surfaces. Its premium quality formulation ensures superior adhesion and smooth finish, marking it as a top choice among high-end contractors. Offering excellent coverage and ease of application, this primer competes fiercely with others by delivering an optimal starting point for flawless finishes.

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$60-70 CAD

2
BEST MASONRY PRIMERS

SICO Masonry Primer

Sudsty
🏠 Local Product

SICO Masonry Primer stands out for its robust adhesion and strong resistance to water and moisture, making it an ideal choice for challenging masonry surfaces. Its formulation is specifically engineered to prevent efflorescence, a common issue in masonry projects. Compared to competitors, SICO offers superior coverage, ensuring fewer coats are needed, which can translate into significant cost savings and quicker project completion.

4.5
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  • Seals like a champ

  • Dries in a flash

  • Seals like a champ

  • Dries in a flash

Review Summary

92.5%

"SICO Masonry Primer receives high praise for its excellent adhesion and coverage, making it a favorite among DIYers and professionals."

  • Fight stains like a warrior

  • Excellent adhesion

  • Fight stains like a warrior

  • Excellent adhesion

Time-Saving Convenience

Aesthetic & Personal Appeal

SICO Masonry Primer stands out for its robust adhesion and strong resistance to water and moisture, making it an ideal choice for challenging masonry surfaces. Its formulation is specifically engineered to prevent efflorescence, a common issue in masonry projects. Compared to competitors, SICO offers superior coverage, ensuring fewer coats are needed, which can translate into significant cost savings and quicker project completion.

Technical Specifications

General

Weight
3.78L
Dry To Touch
30 minutes
Colors
White, Gray
Finish
Matte
Clean Up
Soap and water
Coverage
200-400 sq ft per gallon
Application Method
Brush, Roller, Spray
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From 63.28$
3
BEST MULTI SURFACE PRIMERS

Zinsser Bulls Eye 1-2-3 Primer

Rust-Oleum

The Zinsser Bulls Eye 1-2-3 Primer is renowned for its versatility and quick-drying formula, making it a favorite among both professionals and DIY enthusiasts. Its stain-blocking capabilities outperform many competitors, providing superior adhesion to a variety of surfaces, which makes it ideal for tricky application scenarios. Unlike some other primers, its water-based formula allows for easy cleanup while maintaining excellent performance.

4.7
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  • Seals like magic

  • Sticks to anything

  • Seals like magic

  • Sticks to anything

Review Summary

92.5%

"The Zinsser Bulls Eye 1-2-3 Primer is highly praised for its versatility and ability to adhere to a variety of surfaces, making it a favorite among DIYers and professionals alike."

  • Dries faster than you thought

  • Sticks to all surfaces

  • Dries faster than you thought

  • Sticks to all surfaces

Time-Saving Convenience

Aesthetic & Personal Appeal

The Zinsser Bulls Eye 1-2-3 Primer is renowned for its versatility and quick-drying formula, making it a favorite among both professionals and DIY enthusiasts. Its stain-blocking capabilities outperform many competitors, providing superior adhesion to a variety of surfaces, which makes it ideal for tricky application scenarios. Unlike some other primers, its water-based formula allows for easy cleanup while maintaining excellent performance.

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From 20.98$
4
BEST STAIN BLOCKING PRIMERS

Sherwin-Williams ProBlock Interior/Exterior Latex Primer

Sherwin-Williams

Sherwin-Williams ProBlock Interior/Exterior Latex Primer is known for its outstanding stain-blocking properties that make it a preferred choice for heavy-duty applications. Its latex formulation allows for easy cleanup, and it dries quickly to a hard finish, providing a reliable base for paints. The primer offers a great balance of affordability and performance, ensuring it competes well against oil-based and other latex options in the market.

4.4
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  • Flexible formula

  • Prevents peeling paint

  • Flexible formula

  • Prevents peeling paint

Review Summary

89.4%

"Sherwin-Williams ProBlock Interior/Exterior Latex Primer receives accolades for its high-quality performance across various surfaces."

  • Makes surfaces shine

  • Latex formula for easy cleanup

  • Makes surfaces shine

  • Latex formula for easy cleanup

Increased Safety & Security

Aesthetic & Personal Appeal

Sherwin-Williams ProBlock Interior/Exterior Latex Primer is known for its outstanding stain-blocking properties that make it a preferred choice for heavy-duty applications. Its latex formulation allows for easy cleanup, and it dries quickly to a hard finish, providing a reliable base for paints. The primer offers a great balance of affordability and performance, ensuring it competes well against oil-based and other latex options in the market.

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$200-300 CAD

5
BEST WOOD SEALERS

Olympic Maximum Clear Waterproofing Sealant

OLYMPIC

Olympic Maximum Clear Waterproofing Sealant is distinguished by its enhanced water and mildew resistance, providing robust protection against the elements. Its unique formulation not only seals but also preserves the wood's natural appearance, making it a strong option in the market. What sets Olympic apart is its long-lasting durability that can withstand harsh weather, making it a contractor's choice for outdoor projects that require a reliable finish.

4.2
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  • Clear as day

  • Ultimate waterproofing

  • Clear as day

  • Ultimate waterproofing

Review Summary

86.2%

"Olympic Maximum Clear Waterproofing Sealant is favored for its robust water resistance and ease of use, helping customers protect their exterior wood effectively."

  • Seal like a champion!

  • Clear waterproofing finish

  • Seal like a champion!

  • Clear waterproofing finish

Eco-Friendly Living

Increased Safety & Security

Olympic Maximum Clear Waterproofing Sealant is distinguished by its enhanced water and mildew resistance, providing robust protection against the elements. Its unique formulation not only seals but also preserves the wood's natural appearance, making it a strong option in the market. What sets Olympic apart is its long-lasting durability that can withstand harsh weather, making it a contractor's choice for outdoor projects that require a reliable finish.

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From 72.97$

How Primers and Sealers Work β€” Evidence, Standards and Practical Benefits

Primers and sealers improve paint performance by creating a uniform surface, promoting adhesion between substrate and topcoat, blocking stains, and protecting underlying materials. Their benefits are supported by industry testing and recognized coating standards. Laboratory and field evaluations use adhesion, durability and mildew-resistance tests to demonstrate how the right primer extends the life of a paint system, reduces peeling and blistering, and minimizes the risk of bleed-through from knots, tannins or water stains. In Canada, buyers also consider certifications and VOC guidance to meet local indoor air quality and environmental expectations.

Adhesion and durability: Standard cross-cut and pull-off adhesion tests (industry methods such as ASTM-style adhesion testing) show primers significantly increase topcoat bonding, reducing paint failure over time.

Stain and tannin blocking: Formulated stain-blocking primers prevent common issues like water stains and tannin bleed, so fewer topcoats are needed for full coverage.

Moisture and mildew resistance: Mildew-resistant formulations and mold-inhibiting additives are tested for performance in humid environments, relevant to many Canadian homes.

VOC and indoor air quality: Low-VOC and eco-certified primers help meet provincial guidelines and are often certified through programs such as UL ECOLOGO or GREENGUARD, which support healthier indoor air during and after application.

Surface compatibility and multi-use testing: Manufacturers test primers across substrates (drywall, bare wood, metal, masonry) to verify adhesion, sealing performance and topcoat compatibility.

Across Canada, the right primer or sealer can save time, cut long-term maintenance costs, and deliver a professional-looking finish even in challenging climates. We hope this guide helped you narrow down options for your 2025 project. If you need a more specific recommendation, use the search or filters to refine by substrate, VOC level, drying time or certification.