Vinyl Replacement Windows

Best Window Installation Practices

Midwest Construction and Great Lakes Window have been partners since 1985.

We’ve grown together. The windows and doors improve with advanced technology and gain energy efficiency. We work as a team to use the best installation practices so our windows and doors perform and deliver energy savings, virtually no maintenance, safe and easy cleaning from the comfort of your home.

All of those benefits knowing the installation company, Midwest Construction followed all of the manufacturer’s specifications installing your Great Lakes EcoSmart Replacement windows. The best installation practices ensure your windows will save you energy!

Protecto Wrap high performance flashing tape eliminates any air and water infiltration.

Boss 336 Extreme Weather Foam provides: Minimal Expansion Gun Foam - Does Not Bend Window Frames - Exceptional thermal insulation

After the installation of an EcoSmart 3-Lite Casement Window: The windows are all capped off on the exterior to provide another layer of protection.

Best products, best installation practices. Like our Slogan Sates: Quality Products Quality Installation Since 1958!

When your home is ready for a replacement windows, replacement siding or an All season Sunroom, give Midwest Construction a call today!

Midwest Construction has been improving the exteriors of home since 1958! Family Owned and Operated delivering Quality Products and Quality Installation using the latest installation techniques along with air and water management systems to protect your biggest investment, your home!

With two locations Mason City, and Grimes, Iowa, stop into one of our showrooms. While you’re there you can operate full size window and siding displays, or step into one of our Oasis All season Sunrooms attached to our showrooms to give you a real life sunroom experience.

To schedule you’re free in home exact cost call us at 1-800-925-6664 or request a quote at https://www.mwcinc.com/quote/


2021-SE 44th Court - Grimes, Iowa 50111                                                                             1601-South Taft Avenue - Mason City, Iowa 50401