Mon-Ray, Inc.

Manufacturer of DeVAC aluminum windows & Mon-Ray secondary windows: high-performance replacements & storms for existing windows; operating & fixed; for historical residential & commercial projects.

Since its beginning in 1947, our business has only been involved in manufacturing high performance, value-added aluminum window and door products. Over the past 6 decades we have never wavered in our Mission to provide only products and services that meet our Company’s Philosophy of Lowest Life Cycle Costing.

We have designed our website for all our different types of Customers, as well as, architects, consultants, engineers and other professionals interested in learning more About Us and our Products.

Commercial building owners, architects, window/door dealers or contractors and homeowners outside the Twin Cities area, pleas visit our Gallery to find a wide selection of photos of some of the tens of thousands of installations of our DeVAC windows, Mon-Ray storm windows and doors and Glasswalls porch enclosures.

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Perma-Chink products

Perma-Chink

Perma-Chink Systems Products is the building industry’s trusted partner for the tightest, greenest, and most impeccably finished wood homes in the world. It is premier provider of cutting-edge premium wood stains and finishes, log home sealants, and maintenance and wood restoration products.