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PROMA > Products > Surface Preparation > Moisture Barrier > PRO BLOCK™ MMS ECO

PRO BLOCK™ MMS ECO

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†*.

Use PRO AGGREGATE™ ECO as a 100% silica-sand-free, 100% post-consumer-recycled alternative to sand
Category:

Features

  • 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
  • Creates a high-performance bonding agent for self-leveling toppings and self-leveling underlayments (up to 50 mm [2″] thick) when used with sand broadcast†*
  • Product is colored green for easy detection on the surface to help ensure full coverage
  • Up to a Lifetime Limited System warranty. Contact PROMA technical service regarding specific project warranties
  • ZERO VOC
  • Contains materials derived from bio-based renewable sources (up to 30%) 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
  • Only one coat required
    † Use PRO AGGREGATE™ ECO as a 100% silica-sand-free, 100% post-consumer-recycled alternative to sand
    * PROMA recommends using sand broadcast for self-leveling underlayments above 25 mm (1″). Contact our Technical Service Department for appropriate recommendations.

Packaging

5.67 L (1.5 US gal) size Kit
Part A: 3.78 L (1 US gal)
Part B: 1.89 L (0.5 US gal)

Documentation

Data Sheet

SDS (PART A)

SDS (PART B)

Approximate Coverage

Surfaces sealed with PRO BLOCK™ MMS ECO must be primed with PRO SUPERPRIME™ or PRO SUPERPRIME™ 1C to create an adequate bonding surface for self-leveling underlayments and toppings, cementitious screeds, patching compounds, and most floor covering adhesives (see respective technical data sheets for details). PROMA requires using sand broadcast to create an adequate bonding surface for self-leveling underlayment applications above 25 mm (1″) thick when installing over PRO BLOCK™ MMS ECO. Reference the chart below for guidance. Note that coverages given are approximate and can vary with concrete surface profile, porosity, and texture.

Priming Required with
Priming Required with
PRO SUPERPRIME™",
PRO SUPERPRIME™ 1C, or
PRO PRIME™ LP (undiluted)
Sand Broadcast
Required
Approximate Coverage per 5.67 L (1.5 US gal) unit
Self-Leveling Underlayments below
25 mm (1") thick
YES
NO
22.4 m2
(240 ft2)
Self-Leveling Underlayments above
25 mm (1") thick
NO
YES
14.9 m2
(160 ft2)
Self-Leveling Toppings below
13 mm (1/2") thick
YES
NO
22.4 m2
(240 ft2)
Self-Leveling Toppings above
13 mm (1/2") thick
NO
YES
14.9 m2
(160 ft2)
Patching Compounds
YES
NO
22.4 m2
(240 ft2)
Cementitious Screeds
YES
NO
22.4 m2
(240 ft2)
Floor Covering Adhesives
YES
NO
22.4 m2
(240 ft2)
Floating or Non-Adhered
Flooring Systems
NO
NO
22.4 m2
(240 ft2)

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