Renn Building Products

4.02 |11 Verified Ratings
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Renn Building Products

4.02 | 11 Verified Ratings
Write a Review


2909 Manufactuer Road
Greensboro, NC 27406
Your use of our services is governed by our Terms & Conditions

Renn Building Products

Insulation, Gutters, Bath products and Customer Service

Renn Building Products in Greenboro, NC has over 28 years of experience servicing all of Greensboro and some surrounding counties. We are a one stop shop for insulation, gutters, fireplaces, bath products and shower doors. We take extreme pride in every project we install. There is no job to big nor to small that we can't handle and always guarantee our work. Give us a call today to schedule an appointment for a free estimate.


Service Area

  • Greensboro
  • Winston Salem
  • Clemmons
  • Summerfield
  • Colfax
  • Kernersville
  • Oak Ridge
  • Burlington
  • Lewisville
  • Elon
  • Advance
  • See All >

Services Offered

Glass & Mirrors
  • Mirrors Install or Replace
  • Glass Shower Door or Enclosure Install
  • Seamless Metal Gutter Install
  • Copper Gutter Install
  • Gutter Covers & Accessories Install
  • Batt, Rolled or Reflective Insulation Install
  • Blown-in Insulation Install
  • Spray Foam Insulation Install

Areas of Expertise

  • Insulation
  • Gutters
  • Mirrors
  • Shower Doors

Quick Facts

Business Hours
8:00 AM to 5:00 PM
8:00 AM to 5:00 PM
8:00 AM to 5:00 PM
8:00 AM to 5:00 PM
8:00 AM to 5:00 PM
(Please call to confirm)
  • Small Jobs Welcome
  • Free Estimates
  • Credit Cards Accepted
  • Bilingual


In Business Since: 1991
Memberships & Affiliations
  • BBB
Corporate Account. View Details

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Renn Building Products

My Work
1 Projects

Corporate Account

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Ratings & Reviews
Renn Building Products

Real feedback from real homeowners.
Learn more about this pro by reading the ratings and reviews below.
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Showing 1-10 of 11
  Page 1 of 2
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5.0   |  
Review by in Greensboro, NC
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4.0   |  
Excellent service. Cleaned up, 2 crews to do the attic and crawl space in a single day. Cannot say enough good about them
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1.0   |  
The only positive thing I can say about this company, is the price was very low. (450 vs. 1600 from other vendors). Unfortunately, that price was made up for in the lack of quality and professionalism received. When we hired this company, at my own mis-judgement, I paid in full since the amount of work was so low, assuming this simple project would be completed shortly. Lesson learned, I will never again pay in full for a job until it is completed with satisfaction. This company had our money for months before finally coming to our home to install the gutter guards we purchased. I followed up with our sales rep several times, each time met with an excuse of rain and being backed up. I'm not completely ignorant to construction services and I do understand being backed up. However, I don't understand or accept a lack of communication. The gutter guards were finally installed on a day when were having other work completed at the house. I emailed that week specifically to ask that I receive an advanced notice so that we could sort around the vendors coming to the house. Next thing I know, with no notice or discussion, the workers are installing the gutter guards. I discussed with both our vendors working at that time, and everyone was able to work simultaneously, so the work continued. I thought this was finally done and we could move on. However, I noticed in the corner of the house, the rain was gushing off of the roof and, through an upstairs window, was able to see the gutter guard was installed upside down. I contacted our sales rep who said he would open a ticket and resolve the issue. Another six weeks and several follow-ups passed before anyone came to the house. When someone did come to the house, it was not to correct the issue, but it was our sales rep to make sure I had not mistaken the installation. These are gutter guards people, they are either correct or they aren't. I stood and watched the sales rep attempt to reach the gutter level with a 6' ladder. Why? I don't know. But that attempt ended with zero progress. After further discussing, the sales rep still did not believe as made obvious by his discussion on why the rain my be coming quickly off the roof. So, at that point, I had to invite him into my home, take him upstairs and look through the window. It was only then that he agreed the gutter guards were upside down. I was told at this time, again, that a ticket would be opened. The next week, I saw someone accessing the roof through my bathroom window, again, with no advanced notice. I just shrugged it off and was thankful the work was being taken care of. However, when I checked, the gutter guards were STILL installed upside down. After another discussion, another rep and another week, the gutter guards were finally corrected. In the end, the gutter guards are correct and they work as they should. But the customer service and lack of communication through this company is unacceptable and will never recei
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4.0   |  
Review by in Clemmons, NC
Need to call the customer more to update and communicate on timing of the project. I had to call 4-5 times to get things rolling.
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4.5   |  
Review by in Browns Summit, NC
Project: Install or Upgrade Batt, Rolled or Reflective Insulation
New insulation and vapor barrier required quite a bit of cutting. I am pleased with the quality of the work done by Luke and Alesia. Renn was easy to work with; their quote was prompt and fair.
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2.5   |  
They were terrible at communicating. I had to call and follow up about 3 times to finally get the insulation work we wanted done scheduled. Then I had to follow up twice to find out what time the workers would come on the day we had picked. I was told 1pm, then they showed up at 9am and said they would come back later. They did not return later and I ended up having to reschedule for the following week. Once the work was actually done, it appeared good. But the poor communication was very frustrating and unprofessional.

1 of 1 users found this review helpful.

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4.0   |  
Great price! Fast installation.
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5.0   |  
Eric was excellent on follow up. The job was putting vapor barriers in crawl space and tack up the insulation There initially was a mix up on my request but it was quickly resolved. I had contractors call me and provide estimates but Reen was BY FAR the most economical. Would not hesitate to use again.
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4.0   |  
Review by
Project: Install or Upgrade Insulation
No Comment
4.0   |  
Review by
Project: Install or Replace Gutters
Eric was great but the crew could have been a little cleaner but all in all did well!
Showing 1-10 of 11
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