Sealing pavers immediately after installation is generally not recommended. Most experts advise waiting for a specific period to allow the pavers to cure, settle, and release any excess moisture or efflorescence. The waiting period can vary depending on the type of paver material, climate conditions, and manufacturer recommendations. This article explores the best practices for sealing pavers, including optimal timing, preparation methods, and the impact on long-term durability.
What Are the Recommended Timeframes for Sealing Different Types of Pavers?
The curing time before sealing varies based on the paver material:
- Concrete Pavers: 14 days to 3 months
- Brick Pavers: 1-3 months
- Natural Stone Pavers: 1-3 months
These timeframes allow for proper settling and the appearance of any efflorescence, which should be cleaned before sealing.
How Should Pavers Be Prepared for Sealing?
Proper preparation is crucial for effective sealing:
- Clean the surface thoroughly
- Remove dirt, oil, grease, and paint
- Eliminate any efflorescence
- Ensure sand joints are filled
- Keep sand at least 1/8 inch below the paver surface
Use a pressure washer or broom and blower for cleaning.
What Types of Sealants Are Available for Pavers?
Two main categories of sealants are used for pavers:
- Topical Sealers
- Water-based polyurethane
- Solvent-based acrylic
-
Provide a glossy finish
-
Penetrating Sealers
- Fluoropolymers (for concrete)
- Silane siloxane-based (for brick)
- Offer a natural look
How Should Sealant Be Applied to Pavers?
The application process depends on the type of sealer:
Topical Sealers
- Use a compressed air hand pump garden-type sprayer or roller
- Apply 2-3 thin, even coats
- Flood joints for maximum penetration
Penetrating Sealers
- Apply one liberal coat with a sprayer or roller
- Ensure no excess sealer dries on the surface
What Environmental Conditions Are Ideal for Sealing Pavers?
Optimal conditions for sealing pavers include:
- Dry weather (avoid rain or high humidity)
- Temperature between 50°F and 90°F (10°C and 32°C)
- Avoid direct sunlight
- Surface temperature below 100°F (38°C)
How Does Immediate Sealing Affect Paver Durability?
Sealing pavers immediately after installation can have both benefits and drawbacks:
Benefits
- Protection from stains and fading
- Stabilization of joint sand
- Enhanced appearance
- Easier maintenance
Potential Challenges
- Poor sealer adhesion if pavers are not fully dry
- Trapped moisture leading to efflorescence
- Reduced sealer effectiveness
What Are the Cost Implications of Sealing Pavers?
The cost of sealing pavers varies based on the type of sealer:
| Sealer Type | Cost per Square Foot |
|---|---|
| Water-based Polyurethane | $0.25 – $0.50 |
| Penetrating Sealers | $0.15 – $0.30 |
On average, one gallon of sealer covers 100-200 square feet, depending on paver porosity and desired finish.
What Are the Key Takeaways for Sealing Pavers?
- Wait for the recommended curing time before sealing
- Properly clean and prepare the surface
- Choose the appropriate sealer for your paver type
- Apply sealer under optimal environmental conditions
- Consider the long-term impact on durability
- Factor in the cost and coverage of different sealers
By following these guidelines, you can ensure the best results when sealing your pavers, enhancing their appearance and longevity.
References:
1. Glaze ‘N Seal: How to Seal & Maintain Concrete Interlocking Pavers & Brick
2. CoverTec Products: How To Seal Pavers To Keep Them Clean and Beautiful For Longer
3. Betz Works: How to Seal Pavers: A Complete Guide