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PENWIN Windows & Doors

Penwin offers premium windows, doors, and siding, installed by licensed professionals, and covered by one of the most comprehensive product, service, and installation warranties in the industry.

Penwin has been serving the metropolitan area, and all of Maryland. We pay very close attention to detail and will be the best choice you can make when it comes to getting new windows, doors and siding on your home.

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What is this?

We display two types of written homeowner feedback on GuildQuality member profile pages: Comments and Reviews.

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In response to our customer satisfaction surveys, homeowners share lots of comments about construction quality, communication, or any other question asked in the survey. Guildmembers can selectively publish these comments here on their profile page.

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Reviews are different than comments. These are star ratings that homeowners ask us to publish, and they come with a written description of the type of experience they had working with their contractor. We publish all of the reviews we receive: positive and negative alike.

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Answers from contractors near Clinton, MD

What kind of siding should I install? Hardie Board, or Vinyl with foam backing?
Jun 3, 2014
Dan, Both Hardie Plank and a 3/4" and 1.5" insulating foam board are good options. There is also the choice of using Insulated Siding that is a custom contoured foam backer. It fits to the specificati ... read more
What's the best way to test out if my roof is leaking before it rains?
One easy way is to simply go into the attic space and look around and see if there is any staining on the underside of the ply wood.  The most common areas are around pipe and chimney penetrations, in ... read more

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