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Cement & Asphalt

1. How long must I stay off my new cement?

Most cement will cure to the touch in a matter of hours, however it will not be properly cured for any significant weight for approximately 30 days. While this does not mean you need to completely stay off your cement for a month, it does mean you should limit the amount and type of traffic to the area.

2. Why do I see minor hairline cracks in my cement?

There are a few causes for hairline cracks in cement:

  1. Improper base including lack of or insufficient wire lath and rebar
  2. Lack of or insufficient amount of expansion joints
  3. Vehicle traffic prior to the 30 day cure time
  4. Improper drying process, it is crucial to follow installer’s directions
  5. Incorrect concrete strength (PSI) for the installation application

3. How long must I stay off my new asphalt driveway?

There should be no foot traffic on the new asphalt for 24 hours. Vehicles should remain completely off the driveway for a minimum of 7 days. During summer months, it is important not to leave objects with weight on the new asphalt or sinking may occur due to the asphalt softening from the heat.

4. How do I clean asphalt and emulsified asphalt?

Chill with ice (if warm outside), scrape away and scrub the surface with scouring or abrasive powder. You could also scrape off carefully with a trowel or Flat head screwdriver. Rinse with water. We also sell all sorts of cleaning products for this.

5. How do I clean cutback asphalt and roofing tar?

Use a poultice made with talc or diatomaceous earth. Mix with kerosene, scrub, let dry and brush off. Repeat as needed. We also sell all sorts of cleaning products for this.

6. How do I clean chewing gum off of my asphalt, cement or brick?

Same as caulking, or scrub with naphtha. We also have products available here at our store.

7. What is efflorescence?

Efflorescence is whitish, powder like deposit that may sometimes appear on the surface of the paving stones. It may appear immediately or within a short time after installation. Left alone, normal wear and exposure to the elements will dissipate the efflorescence. Efflorescence is a normal occurrence in all cement-based products, because it is a natural reaction to the proper hydration of concrete. Nicolock accepts no responsibility or liability for replacement. If there is a need to remove the efflorescence before it naturally wears away, best results are obtained by using a proprietary efflorescence remover which is available from most mason supply dealers, including our store as well.

8. How do I clean efflorescence?

Efflorescence Remover and General Cleaner are a superior overall cleaner and provides uniformity of color throughout the pavement surface. Used as the final step in cleaning pavers and prior to sealing. We also have products available here at our store.

9. How long will efflorescence last?

On an average it can take 12 months to 24 months to disappear. BUT it is impossible to predict because there are very important factors such as climate, location and conditions.

Home & Garden Center

Hewlynn Home & Garden Center has it all. Stop by our Garden Center to see our huge product selection and our indoor/outdoor displays. Let us make your house a home with our dedicated design team.


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