How to Seal a Garage
Sealing a garage floor will protect it from the salt used on roads, eliminate concrete dust and make it easier to sweep and remove stains. In addition, if you want to paint the garage floor, you'll need to seal it first. Concrete sealers are readily available and easy to work with. They work by blocking the pores in the concrete to cut down on any absorption, and they form an protective layer on your floor. Follow these steps to seal a garage floor.
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Things You'll Need
- Broom
- Concrete cleaner
- Concrete sealer
- Paint brush
- Paint roller
- Paint tray
Instructions
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How to Seal a Garage
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1
Purchase professional-grade concrete cleaner and a concrete waterproofing sealer. Popular brands include Quikrete, Rustoleum and Thompson's. These items are available at any local hardware store or online.
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2
Clean your garage floor. With a hose and stiff bristle broom, scrub the floor with cleaner. If there are grease and oil stains, use a degreaser such as Thompson's WaterSeal Concrete Care Cleaner & Degreaser, closely following all of the manufacturer's instructions. Let the cleaner soak in for a half an hour, then repeat as needed for deep and dark stains.
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3
Pour your sealer into in a large paint tray. Cut in the corners with a paintbrush and then roll the remainder of the garage floor with a paint roller. For ease of use, try a roller attached to a long handle. Be sure to start in the back of the garage and work your way out.
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4
Clean up brush, roller and tray quickly with warm soapy water, as the sealer will permanently damage tools if not washed out. Do not apply a second coat.
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Tips & Warnings
Don't walk or drive on the garage floor for at least one day after sealing.
