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J.D. Rock Custom Home Improvements

Frederick, MD 21701(301) 788-8972
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Types of work

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Basement remodeling

Deck building & maintenance

Home remodeling

Interior painting

Contractors near Frederick, MD

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Augustine Homes

New home, Custom home, and Home for sale

Schroeder Design/Build

Basement remodeling, Design build remodel, Home remodeling, Aging in place, and Additions

New City Construction

Custom home, Home remodeling, Renovations, and Additions

Total Remodeling Systems / Bath Planet of Northwest Virginia

Roofing Nation - Greater Baltimore

Roofing Nation - Harrisburg

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Answers from contractors near Frederick, MD

Cost to upgrade New construction windows?

Edgar Li of Crystal Exteriors LLC PRO answered:

Apr 17, 2016
I suggest take a look at the ProVia Endure high grade vinyl window.  Triple pane is what I sell now and has very low U-factor and air infiltration. I love their low profile slim casement window, just ... read more
Last edited Apr 17, 2016 9:12pm
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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?

WoW Home Solutions answered:

Oct 18, 2014
This type of staining (algae as the other posters have said) will usually only happen on the North facing surface of the roof.  Same with condensation on your car glass.  Suprisingly, the North facing ... read more
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