What is the cost to install a galaxy-theme metallic epoxy in an Ottawa basement?

Galaxy-theme metallic epoxy is one of the most visually dramatic flooring options available, and Ottawa basements are actually a fantastic canvas for this type of finish — the controlled indoor environment and the desire to transform a utilitarian space into something genuinely impressive make it a natural fit. That said, this is one of the most technically demanding epoxy applications on the market, and the cost reflects that complexity.

What Goes Into a Galaxy Metallic Epoxy System

A true galaxy-theme metallic epoxy finish involves multiple layers of carefully manipulated metallic pigments — typically deep blues, purples, blacks, and silvers — that are worked wet to create swirling, three-dimensional visual effects that mimic the look of deep space. The installer uses tools, air movement, and technique to guide the pigments before they set, which means no two floors are identical. Over this decorative layer, a clear urethane or polyaspartic topcoat is applied to protect the finish and add depth and gloss. The total system typically includes a primer coat, one or two metallic epoxy body coats, and a protective clear topcoat — meaning three to four separate applications with cure time between each.

For Ottawa basements in 2025 to 2026, expect to pay between $12 and $20 per square foot for a professionally installed galaxy metallic epoxy system. For a typical Ottawa basement of 800 to 1,200 square feet, that translates to a total project cost of roughly $9,600 to $24,000, depending on floor condition, complexity of the design, and the contractor's experience level with metallic work. Simpler metallic finishes start closer to $10 per square foot, but a true galaxy effect with layered colours, depth, and artistic manipulation sits firmly at the higher end of that range.

Concrete preparation adds to this cost. Ottawa basements frequently have moisture issues, minor cracking from frost heave, and surface contamination from years of use. Diamond grinding to open the concrete profile, crack repair, and any moisture mitigation work typically adds $2 to $5 per square foot before a single drop of epoxy is applied. If your basement has a history of moisture intrusion — common in older Ottawa neighbourhoods like Westboro, Glebe, or Vanier — a moisture vapour barrier primer may be required, adding another layer of cost and time.

Ottawa's climate makes moisture testing non-negotiable before any basement epoxy application. Spring snowmelt and the city's high water table push moisture vapour through concrete slabs at rates that can cause even a beautifully applied metallic floor to bubble, delaminate, and fail within months. A calcium chloride test or relative humidity probe test should be performed before work begins, confirming that moisture vapour emission stays below 3 pounds per 1,000 square feet per 24 hours. The good news is that basements are climate-controlled, so this work can proceed year-round — you are not subject to the same seasonal restrictions as an unheated garage.

This is absolutely not a DIY project. Metallic epoxy requires skilled, experienced hands — the pigment manipulation that creates the galaxy effect happens quickly as the epoxy begins to set, and mistakes cannot be corrected once the material cures. Hire a professional with a portfolio of completed metallic work and ask specifically to see galaxy or deep-space themed examples before committing.

Get a minimum of three written quotes and ask each contractor to walk you through their full system — primer, body coats, topcoat, and preparation steps. You can browse flooring contractors in the Ottawa area through the Ottawa Construction Network directory at justynrookcontracting.com, which is a free resource to help you connect with local professionals and start those conversations.