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Beautiful Designs. Amazing Performance.

Infinity from Marvin fiberglass patio doors are made from Ultrex® fiberglass, which is so strong less of it is needed in the door frames. This means you get bigger views and more daylight. Our sliding doors are engineered to provide effortless operation and reliable performance.

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BEAUTIFUL DESIGNS AMAZING VIEWS

Infinity from Marvin fiberglass patio doors are made from Ultrex® fiberglass, which is so strong less of it is needed in the door frames. This means you get bigger views and more daylight. Our sliding doors are engineered to provide effortless operation and reliable performance.

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Design

BUILT FOR
HIGH ALTITUDE

Ultrex fiberglass is an ultimate performer. It’s beautiful. It’s 8X stronger than vinyl, expands 87% less than vinyl, and expands 75% less than Fibrex.

REVIEWS WHAT OUR CLIENTS SAY

I had lifetime install new Infinity by Marvin windows and they are beautiful! I needed a small adjustment with my patio doors and called for service. Joy was great in finding a time that worked with my schedule. The service tech, Darian, called me prior to the appointment to let me know he was on his way. Once there, he was able to make the adjustment very quickly. He was very professional and I would definitely recommend Lifetime Windows and Siding.
aaron richardville
aaron richardville
17:35 22 Nov 21
Lifetime Windows and Siding did a fantastic job installing my Infinity Windows by Marvin. Their post installation service is also outstanding! Darian Manzanares came today for a minor service call. He was on-time, professional, and had my repair completed quickly. Highly recommend Lifetime before, during, and after purchase of our windows. Will definitely use them when replace our doors! Thanks, Lifetime!
Mark Wilcop
Mark Wilcop
16:51 18 Nov 21
Dave Thomas was very helpful in designing the James Hardy layout for a mountain modern look! We loved the crew that installed the siding and we had no issues- product was available and the crew was responsive to our questions about the process! Marty, the job site manager was very responsive! Overall very, very happy with our results: new siding, new gutters, and we topped it off with new lighting and garage door!
Brad Halloran
Brad Halloran
16:50 10 Nov 21
Had an issue with the screen and they came out to replace it very quickly.
Dan Marvel
Dan Marvel
16:48 10 Nov 21
The Lifetime team was incredible from start to end. We are super pleased with the James Hardie siding, and the work that Kevin and his team did for us. Throughout the siding installation, we were well informed, they addressed our questions/concerns, and asked questions to be certain. The work area was kept tidy and clean each day. The team worked tirelessly and diligently throughout the project, and installation completed on time.Notably, Sean addressed a sloping issue that we had with our old gutters; and made the necessary adjustment to ensure our new gutters would function properly.We are grateful for Dave Thomas, Mitchell Fletcher, Kevin McBride; Walter, Delvis and team; Sean and team. Their professionalism and workmanship clearly lead to the success of our siding project.
Susan Izuo
Susan Izuo
05:19 08 Nov 21
We had a great experience with Lifetime Windows and Siding! We replaced our siding with James Hardy siding and installed new gutters. This was a big project and took several days. Jason, the project manager was clear with the timeline and it stayed the same. He was very professional and always available. The crew, AZ Construction was amazing. Their work was detail orientated and they cleaned everything up, even using a metal detector to find any small pieces. Mr. Youn and his crew did the gutters and you can tell he knew exactly what he was doing. Lifetime is big on customer service and even though it was higher bid than other companies it was beyond worth it!!!
Jeannette Larson
Jeannette Larson
19:08 13 Oct 21
We had most of our old wood windows replace by Lifetime. They did a very professional job, the team were efficient and the team leader was extremely particular, ensuring that everything was installed exactly right and finished well. I would strongly recommend. One window arrived with some sort of residue on the glass that they could not remove, so replacement glazing units were immediately ordered. Our service technician, Darian Manzanares, swapped the units over this week. I asked if he could also look at a door lock that was proving sticky and also pointed out one window screen that was slightly damaged. He happily fixed both issues while he was here, even though they weren't on his original order. Very pleased.
Adrian Saunders
Adrian Saunders
16:50 08 Oct 21
Appreciate them supporting the zoo!
Alyssa Martinez
Alyssa Martinez
19:34 03 Oct 21
I appreciate you supporting the zoo.
Emily Richardson
Emily Richardson
16:27 03 Oct 21
We appreciate the support for the Denver zoo! Great company.
Ashley Pitman
Ashley Pitman
16:13 03 Oct 21
Derian was a pleasure to have in our home. Polite, professional and competent. So glad we chose Lifetime for our windows and doors!
Lauren Miller
Lauren Miller
17:29 29 Sep 21
Darian replaced my screens in a timely manner and was very professional. Lifetime Windows and Siding has done everything they promised to do and I would recommend them to anyone looking for new windows. Thank you!
Amy Van Kirk
Amy Van Kirk
19:41 22 Sep 21
My windows were in desperate need of repair. My windows were foggy with condensation and white streaks inside the rotted-out double pane panels. The Marvin window looks fantastic! It's easy to operate, energy-efficient and beautiful with custom frame color options.I had a few questions about the quality of my installation on one window after the initial work was performed and the technicians came back twice more until I was pleased with the craftsmanship. Darian M. took the time to walk through the final steps of the project to make sure that everything was great. This is an example of the great customer service that they offer, and the contract was not closed until we agreed that the craftsmanship was top-notch.I would definitely recommend Lifetime Windows and the Marvin branded window specifically for a premium home upgrade. The improvement in the temperature control alone makes it worth it let alone the fact that I can see through the crystal clear E-glass much better than before.
jed glass
jed glass
21:35 13 Sep 21
Great all around experience. Sam and his crew replaced all the windows in my home in 1 day. They worked hard and had answers to all my questions. This company is not the cheapest, but they provide high quality products with exceptional service.
Jack Kneubuhl
Jack Kneubuhl
05:19 11 Sep 21
I had several windows and two patio doors replaced by Lifetime Windows and Siding. For the two patio doors, I also asked them to replace the frames inside the house too. The original crew didn't do a good job on the wood work. Anthony Esposito from Lifetime Windows came over. He not only adjusted my screen doors and patio door locks but also fixed two door frames. He worked very hard to make sure everything is right. I highly recommend Anthony to anyone who may have any issues. The company needs this type of guys with right working attitude.
Jielun Sun
Jielun Sun
22:16 30 Aug 21
Couldn't be happier with the Marvin windows we just had installed. The Lifetime Window team from Bill Kinsella in Sales all the way down to Roberto's install team made the whole process so easy. We wish we had done our windows 10 years ago had we known how easy it would be. Thank you to the Lifetime Windows team, we appreciate all that you did for us! Sincere thanks, Gerrit and Gretchen
Gerrit Higashi
Gerrit Higashi
20:07 21 Aug 21
I had my windows replaced by lifetime in 2012. Now it need some work done on them like caulking, resealing, new weather stripping,and a broken glass fixed. I thought there was lifetime warranty in my windows. At least on problems like broken seals.I've called they sent someone out, and haven't heard from them since, and this was back in June. Now late August. I have called every week and left messages. I finally got a call back from Reabecca and nothing since. Called a Manager , he was mad because someone gave me his number. Haven't heard back from him either yet.What has happened to customer service now days. I thought they could at least get back with me tell me when they can get to me if at all, so at least if they couldn't I can find someone who can. Larry, the Manager is now working with me and trying to get it going. Frustrated Candi
candi holtz
candi holtz
01:40 20 Aug 21
They put new siding on my house and I’m so happy with their service and the quality of their work. The entire experience was very positive and I highly recommend them!
Amy Skinner
Amy Skinner
22:31 18 Aug 21
Paco and his crew arrived at 9am and left by about 4:30pm. They installed a patio door and 6 windows. They were very friendly and respectful of my home and time. They made sure I was happy with everything before they left. They even taught me a few things about installing windows. The project manager, Luis, stopped by once during the day to check on every thing.
Santana Sanchez
Santana Sanchez
18:42 12 Aug 21
Nice windows at the Denver zoo!!
Ris Piaggio
Ris Piaggio
17:50 07 Aug 21

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