What is the downside of sealing a concrete patio?

Author: Miss Alverta Johnson IV  |  Last update: Monday, November 17, 2025

Cons: The Downsides of Sealing the Concrete Patio Makes the Surface Slippery – Most sealers, especially high-gloss types, can be quite slippery when wet. However, there is a remedy to this. Some contractors add a fine type of abrasive to the sealer to add a bit of texture. This helps make the surface slip-resistant.

Is it worth it to seal a concrete patio?

Concrete Sealers are a must!

Sealing concrete helps to maintain and enrich the color of concrete, whether the color is integral, a stain, a dye, or from color hardener. Sealers can add sheen to the concrete, such as a high gloss, or no sheen at all, like a matte.

When not to seal concrete?

This might go against your instincts, but you shouldn't seal brand-new concrete! It needs to “cure” for a while first (at least a month) because it will be very vulnerable to damage otherwise. Sealing doesn't fix cracks. If you have cracks in your concrete, sealing won't do anything for those.

What are the disadvantages of concrete sealer?

Disadvantages of a Sealed Driveway
  • Sealant can make the surface slippery. Sealants tend to dry down with a glossy or semi-glossy sheen that can be quite slick, especially when wet. ...
  • It must be reapplied. ...
  • Sealant is an added expense. ...
  • Not all sealants are eco-friendly.

Does pressure washing remove concrete sealer?

Using the wrong nozzle can easily strip concrete sealant. Nozzles with a narrow spray angle concentrate the pressure, which can damage even tougher materials than concrete. Professional pressure washers know to use the appropriate nozzle for different surfaces to avoid such damage.

How Long Should You Wait Before Sealing Fresh Concrete

What is the best chemical to remove concrete sealer?

FastStrip Plus is a Solvent-Based concrete sealer remover that can be used to remove old sealers before repair or resurfacing. Most concrete slabs are not immediately ready to receive a new coating or overlay. Most have a pre-existing coating on them that must first be removed before any new product can be applied.

What happens if you don't seal concrete after pressure washing?

Sealing concrete after a professional pressure washing is a smart way to protect and enhance your concrete surfaces. Sealing can prevent cracking, spalling, and pitting caused by moisture, UV rays, and freeze-thaw cycles. It can also protect against staining and make cleanup easier.

What is the life expectancy of concrete sealer?

Moreover, general wear and tear, damage, and environmental factors can all shorten the lifespan of concrete sealers. Acrylic concrete sealers have the shortest lifespans; they typically last somewhere between 1-3 years. Epoxy and polyurethane concrete sealers generally last around 5-10 years.

What happens to concrete if you don't seal it?

Concrete pores out in the open are prone to moisture, air, heat, and stains. The main crook of a floor's beauty is moisture, and it will cause the concrete slabs to weaken. That condition will lead to corrosion due to the material crumbling quickly beneath the surface.

Is quikrete concrete sealer good?

Overall, the product is well-received for its effectiveness, though users recommend careful application techniques to achieve the best results.

How long do you have to stay off concrete after sealing?

Water-based sealers may be ready for light foot traffic within 24-48 hours, while solvent-based sealers may require up to 72 hours or longer to cure completely.

What are the negatives about sealing a driveway?

5 Disadvantages of Sealing Your Driveway
  • Extra Expense.
  • You Have to Do It Repeatedly. ...
  • Sealing Can't Be Done During Winter. ...
  • Doesn't Provide Complete Protection. ...
  • May Cause the Surface to Get Hotter in the Summer.

What is the best sealer to use on concrete?

Best Concrete Sealers: Our Top 7 Picks
  • Best Sealer Overall: TotalBoat Concrete Coating.
  • Best Acrylic Sealer: Foundation Armor Concrete Sealer.
  • Best Penetrating Sealer: Ghostshield Siloxa-Tek Concrete Sealer.
  • Best Glossy Sealer: Black Diamond Stoneworks Stone Sealer.
  • Best Sealer for Basements: RadonSeal Concrete Sealer.

How much does it cost to seal a concrete patio?

Sealer Cost: Everything You Need to Know. Sealing concrete sealing or “seal coating” costs between $1.20 – $1.75 per square foot. Factors that determine cost include project fees, quality of concrete, stamped vs regular, or if you opt to do it yourself.

What happens if you don't seal your patio?

The combination of stains, fading, weed growth, and water damage can deteriorate the pavers much faster than if they were sealed. This means you may have to replace or repair your patio sooner than expected, leading to additional expenses and effort.

How often should a concrete patio be sealed?

A safe bet is to reseal every two to three years; wait much longer and the seal will come undone, but resealing too often adds sealer where it's not needed and delaminates the surface.

What is the downside of sealing concrete?

The materials and labor required to seal a concrete driveway properly can be expensive. In addition, concrete driveways that are improperly sealed can trap moisture underneath the surface, which can lead to problems such as mold and mildew.

Does old concrete need sealing?

Regardless of the age or condition of your concrete floor, you always want to seal it once it's ready. Sealing the garage floor or basement floor will prevent further damage caused by water, chemicals, and pressure.

Will concrete crack if not sealed?

Sealing concrete can indeed help prevent cracking, but you should note that not all sealants are equally effective. Sealants act as waterproofing agents, repelling water and protecting the porous surface of the concrete from liquids that can expand and contract, leading to cracks.

What time of year is best to seal concrete?

After discussing the factors you need to look for and the regional location of the project, in broad terms, Spring is in fact the best time of year to seal concrete. With its moderate temperatures and humidity levels, it tends to provide ideal conditions for the application and curing of sealers.

Can you put too much sealer on concrete?

Another mistake to avoid is applying the sealer too thickly. Concrete sealer is supposed to dry quickly, but it won't if you put too much on, and this compromises its long-term effectiveness. It's better to apply it too thin and apply a second coat later.

What is the longest lasting driveway sealer?

Wrapping Up. So, if you're looking for the longest-lasting driveway sealer, Liquid Rubber Driveway Restore is the best choice. It offers a blend of longevity, versatility, and affordability that's hard to beat. Remember, the longevity of your driveway sealer isn't just about the product you use.

Can I seal concrete myself?

Sealing concrete is an excellent DIY project if you have the time available. Once you learn how to seal one type of concrete surface, you'll be confident tackling more areas around your home. You can roughly cut the project's cost in half by tackling it yourself instead of hiring a professional.

Can I pressure wash off concrete sealer?

The answer is yes. Typically, there's two ways of doing that. One way is by mechanical means, either sandblasting or grinding, or even using a high pressure washer to physically remove the sealer from the concrete.

What happens if it rains after sealing concrete?

Light rain 1-3 hours after sealing may not cause damage. Heavy rain within 12-16 hours can be problematic. For light rain, check for standing water and scrub away any solvent residue after the rain stops. Reapply sealer if needed after fully drying.

Previous article
Where do hinges go on a heavy door?
Next article
How do I know if my AC is leaking Freon?