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DEPENDABLE GSL is an exciting, unique polymer modified gypsum cement self-leveling underlayment used to level or smooth virtually all interior floor substrates. Pumpable or pourable, GSL delivers high strength, good water resistance and outstanding adhesion. Applications from nearly a featheredge up to 3" depth can be achieved in a single pour. GSL remains flowable for nearly an hour, yet will withstand foot traffic at any depth in about two hours. This self leveling underlayment offers high density, yet less finished weight and more flexibility than Portland cement self-levelers.
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Features and Benefits
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| PHYSICAL CHARACTERISTICS |
| Working Time: 45-60 minutes |
| Setting Time: 2 hours |
Ready for Covering: 4 to 24 hours
(up to 1/4", deeper dependent on drying.) |
| Compressive Strength: 5000 psi (34.5 MPa) |
| Flexural Strength: 1716 psi.(12 MPa) |
| Tensile Strength: 625 psi. (4 MPa) |
Wet Density: 120.20 lb./cu. ft.
(for light weight, see GSL LITE) |
| Dry Density: 111.0 lb./cu. ft. |
| Yield: .41 cu. ft. (.012 m2) 40 lb. bag |
| Coverage: At minimum flowable thickness, (1/8") (3 mm), about 1 sq. ft. per pound. |
| Minimum Thickness: 1/8" (3mm) |
| Maximum Thickness: over 3" (75 mm) |
| Mix Ratio: |
40 lb. bag to 1 gallon water (10 lbs. to 1 qt.)
18 kg. bag to 3.79 liters of water. |
| Application Conditions: Surface and product over 45°F (7°C) and application must not freeze for 7 days. |
| Color: White |
| Admixtures: Cool, clean WATER ONLY |
Priming: Primer SL required. Primer coverage is
1 gallon to about 250-300 sq. ft. (3.8 liters per 23 to
28 sq. meters). |
| PACKAGING |
GSL
40 lb. (18 kg.) bag - Kraft paper, double wall bag
Primer SL
5 gal. (19 liter) pail with pour spout
1 gal. (3.8 liter) bottle |
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Covers virtually any surface (even encapsulates inferior gypsum products) |
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Durable high strength gypsum |
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Outstanding heal |
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Long working life – 45-60 minutes |
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Non-alkaline – adhesive friendly |
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Non-staining – mildewcide protected |
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Thickest single pour – over 3 inches |
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Withstands construction/renovation traffic |
| The DEPENDABLE Difference |
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Best over Suspended Substrates |
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As little as 1/8" coverage over other surfaces (example: radiant heat tubing) |
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Ready to use |
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Will not dust or crack (sealing not required) |
| Where to use... |
| DEPENDABLE GSL is ideal for leveling suspended substrates and is particularly compatible with lightweight concrete, gypsum, metal, radiant heat tube and other subfloor conditions where Portland cement materials may be less desirable and will perform as well or better that cement in dry interior conditions. |
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