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"It was amazing, took all day to get the old insulation out, seal the holes, and refill with new insulation. Would recommend this company to anyone looking for a professional service to improve insulation and save money on heating and cooling costs."

"Great! Job was complete .... removal of existing 50+ year old insulation, air sealing attic, baffle installation, installed 18 inches new fiberglass blown insulation, and new whole-house fan. Job started and completed as proposed. Crew on-time, quietly performed their work, and left spaces clean when done. Definitely worth the cost as noticeable improvement in second floor temperature and humidity readings."

"The company did a good job replacing old insulation in our attic. There was a communication hick-up but the project manager we worked with - Jamie - was able to correct and resolve the issue."

Here at Koala Insulation of Washington DC, we pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service. We handle insulation work in Washington DC and the surrounding areas - Call today!\n\n

"Window & roof insulation quick, easy, & affordable!"

"This was the second time we hired ROI Construction LLC to work on our home and they did an excellent job both times. Originally our roof was replaced and ROI did a fantastic job, going above and beyond in making sure every detail was perfect. Recently we had the roof and skylights of an addition replaced. In both instances ROI charged less than the competitors and the workmanship was high grade. I highly recommend this company."

"There was a problem initially with the radiant barrier installation - the first crew of two were installing 30" wide rolls lengthwise along the roof end to end  instead of from ridge to eave as the manufacturer recommends and made a couple of other minor mistakes which were easily corrected. After talking to the manufacturer, the sales rep offered to take out what had been installed and re-install according to spec or continue as already done with sealing of all seams and a discount on the job. Done this way, the foil would not have the insulation properties per spec but would provide the radiant barrier I desired. I chose the letter option and the barrier work was continued by another crew on the 2nd day. On the 3rd day the crew finished up with the barrier then blew in the installation.

With the exception of the initial problem, the work was done neatly and professionally by courteous workmen who cleaned up completely after the job was done.

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"Isiah was very professional and efficient. He communicated the issues with my roof and placed new shingles and sealed the areas that required it."

"Ed with E&R Home Solutions was very easy to work with. All of the staff is professional. Inspection and proposal was completed in a timely manner. New roof was installed on date promised. They worked very hard to complete it within one-day, working into the late evening. Clean-up was okay, we do still find nails occasionally (work was completed approx. 2 months ago). I'm sure they did the best they could given the late time and poor lighting. Overall we are very happy with the work and will hire them again in the future if needed. We will also recommend to friends and family."

"Following the waterproofing of my basement, I decided to install a tile floor. I chose Sino-American Consulting because Mason, the General Manager and Owner, was by far the most knowledgeable of those who gave me an estimate for the job.  I purchased the materials for the job (tiles, grout, and sealer) from Home Depot. When I told Mason that they charge $ 75. for the delivery of the materials and leave them outside at the curb, he said that his men would pick up the materials and bring them into my house at no charge!
 The workmen began the job on Monday, April 13, and finished it on Thursday, April 23. They came every morning at around 8 am, and worked continuously till 4-5 pm every day. They were courteous and responsive, and clearly extremely proud of their workmanship. Mason is very proud of his men: when the job was done, he specifically brought to my attention the perfect circle that they had cut around the newly installed sump pump. Mason is like an artist who strives to create a perfect work of art. He suggested laying the tiles on the diagonal in order to create a more interesting design, and, with the beautiful new baseboard, the result is magnificent! I told him that I need to have a party now to show off my new basement! Throughout the process, Mason encouraged questions, and patiently addressed all my concerns. I highly recommend Mason and his crew, and would definitely call them again when necessary."