PRO BLOCK MMS ECO is a two-component, solvent-free, fast-setting, fast-curing, 100% solids epoxy-based moisture management one-coat sealer system that can be applied to damp or new concrete as early as 7 days old (see Suitable Substrates). PRO BLOCK MMS ECO protects finished flooring system up to 100% RH as per ASTM F-2170; sustains pH levels up to 14 as per ASTM F-710 and reduces moisture vapor emission rate of a concrete substrate up to 0.12 kg/m2 (25 lbs/1,000 ft2) per ASTM F-1869. The PRO BLOCK MMS ECO system applies easily with a squeegee or a roller, dries as little as 4 hours with up to a 25-minute working time and emits no VOC making it an environmentally friendly product. PRO BLOCK MMS ECO can also be used as a bonding agent for self-leveling toppings and self-leveling underlayments (up to 50 mm [2″] thick) when used with sand broadcasting.

• Product is colored green for easy detection on the surface to help ensure full coverage
• ZERO VOC
• Contains materials derived from bio-based renewable sources (up to 20%) an effective contribution to LEED Objectives and requirements
• EXCEEDS ASTM E96 requirements (< 0.1 perms)
• Meets or exceeds ASTM F3010 requirements for moisture mitigation system
• Meets or exceeds ASTM D7234 standard test method for pull strength of coatings over concrete
• Meets or exceeds ASTM D1308-20 standard test method for effect of household chemicals on clear and pigmented coating systems
• For interior institutional, commercial and residential applications
• Penetrates to fill gaps
• Applies easily with a squeegee or roller