Superior Stonework and Custom Masonry

More than two decades of experience in durable, natural, breathtaking masonry

Common Masonry Problems

Close-up of a red brick wall with mortar in between.

Deteriorating or missing mortar can be caused by excess moisture, wind erosion, or poor installation. Whatever the cause, we’re the cure.

Mortar Deterioration

Close-up of a textured wall with black paint peeling off, revealing a beige surface underneath.

It’s durable and long-lasting, but stone is eventually going to show its age. We can repair or replace the damage so your stone shines again.

Stone Erosion

A person pointing at a section of brick wall that has been partially removed, revealing underlying bricks and mortar. The wall is next to a light-colored painted wall, and there's a piece of broken concrete on the ledge above.

Caused by heaving, settling, or excess moisture, structural failures are a critical repair. We answer your questions, ease your fear and fix your failures.

Structural Failures

Our Masonry Services

Masonry & Stonework Inspection

Red brick stairs with an overgrown edge at the front and a stone wall on the left.

Stop your stonework problems before they become structural failures. Regular inspection can identify issues early.

Masonry & Stonework Repair

An old brick wall with weathered bricks and uneven mortar.

From tuckpointing to cracked and spalling stones to stair-step mortar cracks to efflorescence and erosion to full structural failures, we’ve seen it all — and fixed it all.

Masonry and Stonework Installation

Person laying stones for a patio or walkway on a construction site, with tools and construction materials around.

Whether backsplash, interior accent wall, 4′ veneer on your home’s exterior, or any other creative installation you can dream of, we’re ready to turn it into a reality.

“Proper mix design, placement, and curing of the concrete, as well as an experienced contractor are essential to prevent construction errors from occurring.”

-damsafty.org

The JM Inc. Home Maintenance Program

Close-up of the corner of a house with beige siding, white trim, and a window, against a clear blue sky.

When you need home repairs, the damage has already been done. Stop playing defense with your most valuable asset, and take a proactive approach to home protection with our maintenance program. Through regular inspections and a deep understanding of your property, we identify issues before they can grow and spread, saving you time, money, and headaches.

Hear From Happy Clients

Bob C. - Google Reviews

“There are many construction companies in and around Duluth but in our estimation JM Inc. is the best by far.”

Susan J. - Google Reviews

“We always felt that our opinion was valued. We were impressed with every aspect of our projects, from the planning stages to the end results, and we highly recommend JM Inc.”