Free Estimates Call Today (517) 285-2583
Triangle Exteriors BBB Business Review
We Offer Replacement Doors, Windows & More!
Therma Tru Entry Doors

 Therma Tru Certified Contractor

Here at Triangle Exteriors we pride ourselves on our professional installation of all our home service products. We use only the leading industry products to back our lifetime warranties that we offer. Replacement Entry doors will accent and beautify the exterior of your home, while adding security and thermal values that are needed in our climate here in Michigan. Do not let the local window companies who claim to sell Therma Tru doorways and who are not qualified to do entry doors sell you a product they are not qualified to do. Here at Triangle Exteriors we are a Certified Therma Tru Contractor with over 30 plus years of experience in installing our entry doors. The warranty on these products can only be engaged when done by a certified dealer such as ourselves. If you want the best, than call us for a free estimate today!

Door Styles

Triangle Exteriors offers a wide range of door styles, which is suited to every home. Whether you’re decking out a brand new house or you’re hoping to find something suitable for a more rustic home, you’re bound to find what you’re looking for at Triangle Exteriors. You can choose from a host of external door options, including:

  • Front and entry doors
  • Patio doors
  • French doors
  • Storm doors
  • Wood, steel and fiberglass doors

Triangle Exteriors prides itself on offering a comprehensive service, which takes care of every aspect of choosing, buying, installing and maintaining new and replacement doors.

Why Choose Triangle Exteriors

  • A+ BBB Rating
  • Licensed & Insured
  • Locally Owned & Operated
  • Satisfaction Guaranteed
  • Owner Is On All Job Sites
  • Lifetime Warranty On Labor & Materials

Your Satisfaction Is Guaranteed

At no point will you have to deal with salesmen, subcontractors, or separate distributors. We give fast, free in home quote for a demonstration or over the phone estimate with a few easy questions and cut out the middleman. We are here to guarantee your happiness with our quality craftsmanship and warrantied work, with a peace of mind you will have for years knowing you made the right choice.

What Our Clients Are Saying

“When Robert told me he could replace my door when the big box stores said it wasn’t possible, I was skeptical. But after the job was done, it looked like it was part of the factory door unit. He exceeded my expectations and all the while providing great service and friendly attitude. There were no surprises and no extra fees. Everything he said he would do he did and more. Highly recommended for any entry door needs.”

- Joe N | Replace Exterior Door |

“Robert work with me through this whole project. I’m out of state so I couldn’t be there. But he inform me everything he did then took pictures of the finish project. Price was lower than I expected. He replace the whole front door and 3 windows. What a great job!”

- Michele J | Replacement Windows |

“Robert was very professional and understanding of our wants from the very beginning. He showed up on time and finished in a timely manner. I would definitely hire him again.”

- Daniel W | Replace Sliding Doors |