A cracked Camano Island shop garage, tested in July 2025 and coated in Slate Stone flake polyurea over two days in January 2026 after a wall refresh.

Camano Island garages work hard. Salt air, wet boots, boats and kayaks, and a damp season that runs most of the year. When we first visited this one in July 2025 it was a working shop: a canoe hanging from the rafters, a ladder, lumber and tools spread across a cracked, stained slab with a rust mark near the middle.
By the time the crew came back in January 2026, the walls had been finished in dark grey and the room was ready for the last piece. Over two days the slab got a garage floor coating on Camano Island in Certified Penntek polyurea with Slate Stone flake.
At the July consultation the moisture meter read 4.4% on the slab. We test every floor before quoting, and in a waterfront area that step matters even more. The concrete had several long cracks running across it, the kind that come from settling and seasonal movement, plus a rust stain and general shop grime.
The room was finished over the fall, before the floor. That is a smart order of work. Walls, paint and trim first, floor last, so nothing gets dropped on a new coating.
Cracks this long take extra prep, so the job ran over two days.
The before-and-after photos tell the story: a grey slab with cracks you could trace from the door, and then a single, even floor with a clean coated border.
Slate Stone Evolution blends charcoal, grey, white and a hint of blue. Next to dark grey walls and warm stained trim, it keeps the garage from feeling heavy. The white chips catch light from the windows and the open door.
It also hides the things an island garage collects: sand, salt residue, needles and dried water spots from wet gear.
Salt and moisture are the two things that beat up concrete here. The Penntek polyaspartic topcoat is non-porous, so salt, oil and water stay on top and rinse off. Underneath, the pure polyurea basecoat bonds chemically to the concrete, over 1,300 PSI, and stays flexible as the slab moves with the seasons. See that flexibility in the Penntek Stretch Test.
If you have wondered what polyurea actually is, our post what is Penntek polyurea explains it in plain language. And if you have thought about a DIY kit, our article on DIY vs professional coatings is a fair look at both.
The floor carries a limited lifetime warranty backed by Penntek. With dealers in 200 markets, the floor can be serviced for decades.
Camano sits in Puget Sound, connected to the mainland by the bridge at Stanwood. Garages here often hold boats, kayaks and fishing gear, and they stay damp. Moisture testing, crack repair and a sealed, non-porous surface all matter more on the water.
We serve the island from the mainland side. See our garage floor coatings in Stanwood and Camano Island, or look at a covered patio we coated in Stanwood. You can also read more about Cascade and the owners behind it.
Yes. This Slate Stone floor is one example. The free consultation and testing work the same as anywhere else in our service area.
The polyaspartic topcoat is non-porous, so salt residue sits on the surface and rinses off. That protects the concrete underneath from the salt and moisture that break down bare slabs.
If you are planning wall work, yes. Do the drywall, paint and trim first, then coat the floor last, as this homeowner did.
Live on the island? Book a free in-home quote or call 425-226-6085. Sheldon's crew will make the trip.
Here's just a few of our previous projects.