Subfloor Preparation
Products
HENRY® 740 RapidPro™
Rapid, High Flow Self-Leveling Underlayment
- Rapid dry technology – Install most flooring in as little as 2 hours
- Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
Information HENRY® 740 RapidPro™
Suitable Substrates
- Concrete (structurally sound)
- Absorbent terrazzo on concrete†
- Other approved, non-porous materials on concrete†:
- Epoxy terrazzo; non-porous (non-absorbent) cementitious terrazzo
- Ceramic, quarry or porcelain tiles
- Epoxy coatings
- Concrete treated with certain curing compounds (test areas only; for full instructions, see com/properprep)
†Must be sound, solid and well-bonded to underlying, structurally sound substrates.
Suitable Applications
- All grade levels
- Dry areas only
- Interior applications only
Key Features
- Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete
- Rapid dry technology – Install most flooring in as little as 2 hours
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
- Interior use only
Technical Data HENRY® 740 RapidPro™
Application Data
Water ratio: 5 quarts (4.7 L) of clean water per bag
Flow Time: 10 minutes (70°F / 21°C)
Installation
Coverage: Per bag at 1/8” (3 mm): 45 sq. ft. (4.2 sq. m)
Coverage varies with texture of substrate surface.
Max. Thickness: Over substrates primed with HENRY 739: 1/2” (12 mm); All other applications: 1” (24 mm)
Compressive Strength (ASTM C109/mod – Air cure only): 8,000 psi (562 kg/cm2) at 28 days
Flexural Strength (ASTM C348): 2,000 psi (140.6 kg/cm2) at 28 days
Drying Time: See the “Drying Time and Installation of Flooring” in Technical Data Sheet.
VOC: 0
Packaging: 40 lbs (18.1 kg) bag
Storage: Store in a cool, dry area. Do not leave units exposed to sun.
Shelf Life: 9 months, if unopened and properly stored
Warranty: HENRY Standard Limited Warranty applies.
For complete product technical information, click on the Downloads tab and open the Technical Data download.
Downloads HENRY® 740 RapidPro™
Information HENRY® 740 RapidPro™
Suitable Substrates
- Concrete (structurally sound)
- Absorbent terrazzo on concrete†
- Other approved, non-porous materials on concrete†:
- Epoxy terrazzo; non-porous (non-absorbent) cementitious terrazzo
- Ceramic, quarry or porcelain tiles
- Epoxy coatings
- Concrete treated with certain curing compounds (test areas only; for full instructions, see com/properprep)
†Must be sound, solid and well-bonded to underlying, structurally sound substrates.
Suitable Applications
- All grade levels
- Dry areas only
- Interior applications only
Key Features
- Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete
- Rapid dry technology – Install most flooring in as little as 2 hours
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
- Interior use only
Technical Data HENRY® 740 RapidPro™
Application Data
Water ratio: 5 quarts (4.7 L) of clean water per bag
Flow Time: 10 minutes (70°F / 21°C)
Installation
Coverage: Per bag at 1/8” (3 mm): 45 sq. ft. (4.2 sq. m)
Coverage varies with texture of substrate surface.
Max. Thickness: Over substrates primed with HENRY 739: 1/2” (12 mm); All other applications: 1” (24 mm)
Compressive Strength (ASTM C109/mod – Air cure only): 8,000 psi (562 kg/cm2) at 28 days
Flexural Strength (ASTM C348): 2,000 psi (140.6 kg/cm2) at 28 days
Drying Time: See the “Drying Time and Installation of Flooring” in Technical Data Sheet.
VOC: 0
Packaging: 40 lbs (18.1 kg) bag
Storage: Store in a cool, dry area. Do not leave units exposed to sun.
Shelf Life: 9 months, if unopened and properly stored
Warranty: HENRY Standard Limited Warranty applies.
For complete product technical information, click on the Downloads tab and open the Technical Data download.