Paver washing and sealing NJ

How To Seal Pavers

How To Seal Pavers: Step By Step Guide

Read our step by step guide on how to seal pavers. Or call Turbo-Wash today! We are NJ’s best paver washing, sanding and sealing company! You may also enjoy our blog post: should you seal pavers after pressure washing. It will give you some good information!

Paver sealing is one of the best ways to protect your investment and keep your patio, driveway, walkway, or pool deck looking beautiful for years. While pavers are built to withstand heavy foot traffic and changing weather conditions, they can still fade, stain, and deteriorate over time without proper maintenance.

Whether your pavers are made of concrete, brick, or natural stone, sealing them after a thorough cleaning helps preserve their appearance while making future maintenance much easier.

If you’re considering sealing your own pavers, here’s a step-by-step guide to the process.

Step 1: Inspect Your Pavers

Before beginning, carefully inspect the entire paved surface.

Look for:

  • Loose or damaged pavers
  • Cracked stones
  • Missing joint sand
  • Weed growth
  • Moss or algae
  • Oil or rust stains
  • Areas with drainage issues

Addressing these problems before sealing ensures better results and helps prevent moisture from becoming trapped beneath the sealer.

Step 2: Pressure Wash the Surface

Paver cleaning and power washing is the most important part of the entire process.

Pressure washing removes:

  • Dirt
  • Mold
  • Mildew
  • Algae
  • Moss
  • Weeds
  • Pollen
  • Oil stains
  • Built-up grime

A clean surface allows the sealer to properly bond with the pavers.

Use the appropriate pressure settings to avoid damaging the pavers or washing away excessive joint sand.

For heavily stained surfaces, a professional-grade cleaner may be necessary before pressure washing.

Step 3: Allow the Pavers to Dry Completely

Never apply sealer to wet pavers.

Even though the surface may appear dry, moisture can remain inside the pavers and joints.

Depending on weather conditions, allow at least 24 to 48 hours of dry weather after pressure washing before sealing.

Humidity, shade, and cooler temperatures may require additional drying time.

Step 4: Replace Joint Sand

Pressure washing often removes some of the sand between the pavers.

Once the surface is completely dry, sweep fresh polymeric or joint sand into the gaps.

Work the sand into every joint using a push broom.

Properly filled joints help:

  • Prevent weeds
  • Reduce insect activity
  • Improve stability
  • Minimize shifting

If using polymeric sand, follow the manufacturer’s instructions carefully before applying sealer.

Step 5: Protect Surrounding Areas

Before opening the sealer, protect nearby landscaping and surfaces.

Cover:

  • Grass
  • Flower beds
  • Outdoor furniture
  • Decorative stone
  • Pools
  • Siding
  • Garage doors
  • Windows

Although many sealers are clear, accidental overspray can leave unwanted residue.

Painter’s tape and plastic sheeting work well for protecting nearby surfaces.

Step 6: Choose the Right Sealer

Not all sealers are the same.

Some provide a natural finish, while others create a darker “wet look.”

Common options include:

  • Penetrating sealers
  • Film-forming sealers
  • Matte finishes
  • Satin finishes
  • Gloss finishes

The best choice depends on your paver material, desired appearance, and expected traffic.

Professional contractors often recommend high-quality commercial sealers that provide longer-lasting protection than many consumer products.

Step 7: Check the Weather Forecast

Weather plays a major role in successful sealing.

Choose a period with:

  • No rain expected for at least 24 hours
  • Moderate temperatures
  • Low humidity
  • Minimal wind

Avoid sealing during extremely hot afternoons, as the sealer may dry too quickly and leave streaks.

Step 8: Apply the Sealer Evenly

Using a sprayer or roller, apply a thin, even coat across the pavers.

Avoid overapplying.

Too much sealer can result in:

  • Cloudiness
  • Bubbling
  • Uneven gloss
  • Peeling

Work in small sections while maintaining a wet edge to avoid visible overlap lines.

Some sealers require a second coat after the first has partially cured.

Always follow the manufacturer’s application guidelines.

Step 9: Allow Proper Curing Time

After sealing, avoid walking or driving on the surface until the sealer has fully cured.

Typical curing times include:

  • Light foot traffic: 24 hours
  • Patio furniture: 24–48 hours
  • Vehicle traffic: 48–72 hours

Cooler temperatures or high humidity may extend curing times.

Step 10: Maintain Your Sealed Pavers

Once sealed, routine maintenance becomes much easier.

To keep your pavers looking their best:

  • Sweep regularly
  • Rinse dirt and pollen away periodically
  • Clean spills promptly
  • Remove weeds as they appear
  • Schedule professional pressure washing when needed
  • Reseal every 3 to 5 years, depending on wear

Proper maintenance helps maximize the lifespan of both the pavers and the protective sealer.

Common Mistakes to Avoid

Many DIY projects encounter problems because of a few avoidable mistakes.

Common errors include:

  • Sealing dirty pavers
  • Applying sealer before the surface is dry
  • Using too much product
  • Sealing in direct sunlight
  • Ignoring damaged joints
  • Applying sealer before replacing joint sand
  • Walking on the surface too soon

Avoiding these mistakes can significantly improve the appearance and longevity of the finished project.

When to Hire a Professional

Although sealing pavers may seem straightforward, achieving professional-quality results requires experience, proper equipment, and attention to detail. Professionals know how to adjust pressure washing techniques for different paver materials, select the right type of sealer, and apply it evenly without leaving streaks or blotchy areas.

For homeowners in Bergen County, NJ, hiring a professional power washing company can save time while ensuring your pavers receive the proper preparation and protection. From thorough cleaning and joint sand replacement to expert sealer application, professional service helps maximize the life of your patio, driveway, pool deck, or walkway while keeping it looking its best.

Whether your goal is to restore faded pavers or protect a newly installed hardscape, sealing is one of the most effective maintenance steps you can take. With the right preparation and proper application, your pavers can remain clean, vibrant, and protected from New Jersey’s changing weather for years to come.

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