Important Information Regarding COVID-19 For the protection of customers and team members: • This Location is practicing social distancing (no handshaking, maintaining physical distance, approximately 6 feet) Due to COVID-19, Our Showroom will be open by appointment only. Call (515) 986-3545 to schedule for Grimes, Iowa showroom - Call (641) 424-4717 to schedule for Mason City, Iowa showroom. We are accepting in home appointments. Your safety is very important to us, Our Design Consultants are protected with mask, gloves and disinfectant wipes/spray for in home demonstrations and we offer free virtual in home consultations.
Van & Bonnie Radio

Mason City: (641) 715-9007 Grimes: (515) 305-2241

As a premier Altoona window and door replacement company since 1958, Midwest Construction is dedicated to quality products, quality installation—just as our motto suggests.

After more than half-a-century in the business, we've helped thousands of families execute exterior remodeling projects – large and small – on-time and on-budget. We replace:

  • Windows
  • Doors
  • Siding
  • Sun Rooms
  • Gutters

We also install and repair sun rooms! And, of course, our entire team is factory trained – in fact, all of our production managers are VSI-certified, so you know your project is being handled according to installation best practices!

Call today for your free consultation and no-obligation quote!

Altoona Window and Door Company

Before you make a decision on which company you're going to select to perform your Altoona exterior remodeling, swing by our showrooms in Mason City or Grimes and see what the professionals at Midwest Construction have to offer...

We guarantee that your remodeling project will be completed on-time and on-budget – just as it should be. We also promise to replace your window, doors, vinyl siding and gutter with the best-quality materials and products.

Our pros will guide you through every step of the project – answering all of your questions along the way...

Call us today for a free, no-obligation consultation. You'll be glad you did!


Midwest Construction Reviews

Everyone we dealt with was knowledgeable and informative. Our sunroom was completed in only 3 days. We love our new room!