MiraFlex BRF (Boiler Room Flooring) is a multi-layered troweled application designed for use as a waterproof flooring system for application in upper level boiler room and mechanical equipment rooms.
The material is applied in individual troweled layers, which forms, successively, an elastic latex waterproof membrane, an integral waterproof base turned up at walls and equipment pads, and a durable finished floor.
MiraFlex BRF components are all combinations of liquid rubber latex polymers incorporating dehydrating powders, vulcanizers and special aggregates. The waterproof membrane and waterproof base are reinforced with a polypropylene mesh fabric. Topmost applications consist of a pigmented acrylic coating.
The product is designed for application over concrete or masonry surfaces, new or existing. Separate specifications are available for wood or plywood surfaces - consult Crossfield Products Corp. MiraFlex BRF components are entirely water-based and contain no hydrocarbon solvents. They have no toxic odor during application, are not flammable, and are environmentally safe.
The approximate thickness of MiraFlex BRF is 3/16" (4.7 mm). It is available in a range of 15 standard colors. Request Crossfield Products Corp. Design Guide 6 ("Design Ideas for Waterproofing a Mechanical Equipment Room") for detailing information
Where to Use
As combination waterproofing and floor finish for mechanical equipment rooms, air conditioning rooms, boiler rooms, plenums and similar spaces subject to leakage through inadvertent water spillage.
-Forms a monolithic, tightly adhering, molded waterproof system across floors and up bases, curbs, equipment pads and up pipe sleeves
-Can be applied over new and existing surfaces
-Provides both floor finish and membrane in same application
-Installed only by factory trained Miracote Contractors
-Environmentally safe. No toxic odor or flammable hazard during installation.
Waterproofness Smith-Emery Laboratories Test procedure (Sample 18" diam. Subjected to 50 lbs. per inch water pressure for 60 mins. Test for amount of water forced through in grams)..................None
Tensile Strength & Elongation ASTM D1117 Elongation Dry..........................................................................29.0% Break load Dry............................................................79 lbs. per inch Elongation Wet..........................................................................31.0% Break load Wet............................................................67 lbs. per inch
Strip Adhesion Strip adhesion measured in per linear inch force required to pull up membrane....................................................19.2 tbs. per inch
Indentation Characteristics MIL-D-3134, Para. 4.7.4.2.1 (Steadily Applied Load)....................................................Less than 5% (2000 lbs. on 1" steel ram imposed for 30 mins)
Indentation Characteristics MIL-D-3134, Para 4.7.4 (Impacted Load)...........................................No cracking or Loosening (2 Steel ball dropped from 8 ft height)
Resistance to Elevated Temperatures MIL-D-3134, Para. 4.7.5.1.............................................No flow or slip
Slip-Resistance (Coefficient of Friction) Varies depending upon surface texture selected
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