An epoxy mortar system is a trowel applied blend of epoxy resin and graded sand used to build a thick, heavy duty floor topping, typically 1/4 inch or more, for industrial environments.
Understanding Epoxy Mortar Systems
An epoxy mortar system combines epoxy resin with graded silica sand or quartz aggregate to create a thick, trowel applied topping. Unlike a standard epoxy coating that is rolled or squeegeed on in a thin film, an epoxy mortar is worked across the floor with a trowel similar to how a mason finishes concrete, building a dense layer that is usually a quarter inch thick or more.
Why Contractors Use Mortar Systems
The sand aggregate gives an epoxy mortar exceptional compressive strength and impact resistance compared to a thin film coating. This makes it the standard choice for manufacturing plants, warehouses with heavy forklift traffic, loading docks, and any floor that has to withstand dropped tools, pallet jacks, or thermal shock from hot equipment.
Installation Considerations
Because epoxy mortar is thick and heavy, it also does a good job of filling in surface damage, minor spalling, and control joints that need to be rebuilt before a topcoat goes down. It is typically finished with a separate epoxy or polyurethane topcoat for chemical resistance and color, since the mortar layer itself is textured rather than smooth.
Where It Fits Among Coating Systems
Compared to a full broadcast flake system or a standard self-leveling epoxy, a mortar system is built for function over appearance. It costs more per square foot than a thin film coating due to material volume and labor, but it lasts far longer in the harshest industrial environments.
Also Called
Trowel-Down Epoxy, Epoxy Screed, Epoxy Mortar Flooring
