A color coat is then applied using a ¾ in. nap roller. It is available in six standard colors including Federal Yellow, as well as custom colors. The color coat is a thick, tough sealant similar in durability to the textured paint used to put lines on roadways. Once the color coat is dry to the touch you can pull up the masking tape.
The final coat is a clear protective layer that can be either rolled on or applied with a garden sprayer. Allow one hour dry time for light traffic under normal conditions, 48 hours for heavy traffic.
Speerstra’s crew of five laid down 3,570 sq. ft. of warning surface in six days. The jobsite was a challenge. The project was on a tight schedule, and Speerstra’s crew had to share the space with other trades. “We had guys putting up signs on top of us, and there were cranes moving park benches,” he says.
“The radiuses were large, 50-75 feet long,” he says. “They can design any radius they want and I can adapt this material to fit perfectly.”
The three layers of the system: On the left is the uncoated fiberglass-reinforced dome-mat; the polymer-modified concrete has been tinted blue to match the final color coat. The adhesive on the far left has been brushed over the mat edge to seal it. In the center is the layer of sand for slip resistance. At right is the color sealing layer, in disability blue. Six standard colors and custom colors are made.
Two pieces of mat are cut to form a butt joint. The cut joint is made at a control joint in the concrete to avoid having the mat bridge the substrate joint. When the complete system it applied, the surface will be seamless.
The flexible mats can be cut with hand tools to conform to curves and fit around obstacles. This utility box – from a different project – dramatically illustrates the versatility of the system.