Two Guys and a Hammer, LLC

7757 Flint Valley CT, Columbus, OH 43085(614) 579-6430

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Answers from contractors near Columbus, OH

What can I do about concrete driveway cracking 6 weeks after it was poured?

Bryan Sowder of Greater Dayton Construction ^PRO answered:

Aug 14, 2017

Check the frequency and depths of the control joints/sawcuts they installed for your driveway. They all are subject to industry standards. A driveway that is 4" thick should have control joint/sawcu ... read more

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black spots on the roof. can you tell me what is the cause of this? have lived in this house 12 years and have had no problems. what can you do to clean this?

Lynna Mullins of Allstate Exteriors, Inc. ^PRO answered:

Oct 13, 2014

Using the information you have provided and not visually inspecting the roof, the black spots on your roof are more than likely algae. Most shingle manufacturers use copper or zinc coated granules t ... read more

Last edited Oct 13, 2014 3:27pm