Table of Contents
Does Exposed aggregate concrete need to be sealed?
Does exposed aggregate need to be sealed? Yes. These sealers—typically film-forming acrylic resins—can help protect against spalling, dusting, efflorescence, freeze-thaw damage, stains, deicing salts, and abrasion. A sealer will also enhance the color of the aggregate, accentuating its depth and richness.
What do you seal exposed aggregate concrete with?
Sealing Exposed Aggregate Apply a Solvent Based Acrylic Sealer. These sealer types can be used on exposed aggregate with excellent results. Using a 1/2″ roller, start applying the sealer at the far end making sure to not step in the sealer. The sealer should be applied at the manufacturer’s spread rate.
How do you clean and seal exposed aggregate concrete?
Pressure wash the dirt and grime off the surface, use rust remover to remove rust and a cleaner/degreaser to tackle tough oil spills. After cleaning the concrete, allow a day to dry. Once the concrete is dry, begin the sealing process. Using a ½-inch roller and a pump-up sprayer, start applying the sealer.
When should exposed aggregate be sealed?
A concrete sealer or exposed aggregate sealer is essential for protecting surfaces from the elements, stains from dirt, oil and other contaminants, and much more. So, if you’ve just installed new concrete, whatever kind, make sure it gets sealed before it gets unsightly marks or stains that are permanent.
What happens if you dont seal exposed aggregate?
What happens if I don’t seal my concrete? Concrete is a porous material that readily absorbs liquids. In freeze-thaw climates, the expansion of frozen liquids can destroy the surface of unsealed concrete. Oil, salt, fertilizer, and other household chemicals can discolor and damage unsealed concrete.
How long should you leave concrete before sealing?
Allow new concrete to cure completely (at least 28 days or as recommended). Most sealers must be applied under dry conditions. Applying to damp concrete could cause haziness or loss of adhesion. Air temperatures should be above 50°F during sealer application and for at least 24 hours after.
How long does it take for aggregate sealer to dry?
It is recommended to allow 24 hours for concrete surface to completely dry after pressure washing (may take longer to dry if humid environmental conditions exist or if the substrate is indoors).
Can you use aggregate sealer on concrete?
Exposed Aggregate Concrete Sealers Sealing aggregate concrete will further enhance its beauty and help protect it from the harsh elements and deicing salts. An exposed aggregate sealer will also reduce mold and mildew problems, stabilize the surface, protect color retention, and protect against freeze/thaw damage.
Can you sealcoat over concrete?
Well, the answer is yes! It is safe to pave asphalt over concrete. Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above. In fact, many miles of concrete roads are paved over with asphalt every year.
Can you pressure wash exposed aggregate?
Steps to Clean Exposed Aggregate Step 1 – Saturate the surface with a cleaner leaving it to absorb into the concrete. Step 3 – Use a hose with a nozzle or ideally a high power pressure washer to sequentially move from the high end of the concrete slab to the lower drain area.
What is the best cleaner for exposed aggregate?
Oil & Grease Stains The best way to clean oil and grease stains from your exposed aggregate driveway is to apply a driveway cleaning solution that will break down the oil. Luckily, you can make this mixture using household products like dishwashing liquid or baking soda.
How do you acid wash exposed aggregate concrete?
An acid-wash treatment (1 hydrochloric acid to between 10 and 20 parts water) is usually necessary to brighten up the stones by removing the fine cement film from the surface. The surface should first be thoroughly wetted to prevent acid soaking into the concrete and weakening the bond to the exposed aggregates.
Can you stain exposed aggregate?
Exposed aggregate can be stained or dyed to shift or change the color upon completion. We use this finish to show the natural beauty of the stone in the concrete without having to add additional coatings or color. It is also a cost effective method of getting a decorative concrete finish.
Can I put driveway sealer on concrete?
Driveway sealing can also be considered if you live in an area where winter road salt can eat away at the concrete. Applying a concrete sealer can be an easy project for a DIYer, and it will keep your concrete slabs looking good and potentially lasting longer.
How long does Exposed aggregate last?
But how long will exposed aggregate last? With the right care, you’re looking at over 10 to 20 years of life. One of the most attractive benefits of using exposed aggregate is its longevity. At Concept Concrete, we offer up to a 78-month warranty on your exposed concrete driveways, patios, and more.
Is sealed exposed aggregate slippery?
Sealed surface may be slippery when wet. For additional slip resistance, use Glaze ‘N Seal Grip ‘N Seal additive. Product coverage will be 100 – 400 square feet per gallon for the first coat depending on surface porosity. Second coat will go up to 50% further.
Does Exposed aggregate require maintenance?
When it comes to maintaining exposed aggregate, regular cleaning is of utmost importance. Ideally, you want to sweep your patio or driveway at least once a day to keep it free from dust, dirt, or debris. (You can also use a leaf blower to speed up the process).
