Loctite PL Concrete Self-Leveling Polyurethane Sealant (formerly designated PL S20) is a professional grade, one-component polyurethane sealant for contraction and expansion joints and cracks in concrete floors and decks. It levels itself with no tooling required and cures concrete gray to blend in, then forms a resilient, abrasion-resistant seal that resists deterioration from weather, stress, movement, traffic and water.

• Self-leveling formula, no tooling required
• Cures to a flexible rubbery solid that withstands joint movement of plus or minus 25 percent
• Weatherproof; service temperature -40 to 180 deg F
• Paintable once fully cured
• Low VOC formulation (less than 2 percent by weight, 36 g/L)
• Color: Concrete Gray
• Size: 28 fl. oz. (825 mL) paper cartridge
• Coverage: a 1/4" bead extrudes about 85.8 ft.; a 3/8" bead about 38.1 ft.
• Skin time about 24 hours; full cure about 7 days at 78 deg F and 50 percent relative humidity
• Meets ASTM C920 Type S, Grade P, Class 25, Use T, M, NT and A
• Meets Federal Specification TT-S-00230C, Type I, Class A
• Manufacturer part: 1618172

Recommended for: repairing driveways, garage floors, sidewalks, and concrete floors and decks.

Not recommended for: vertical surfaces (horizontal use only); prolonged underwater use or permanent water immersion; areas of high chlorine concentration such as around swimming pools; joint depths greater than 3/8" without a backer rod; applications requiring temperature resistance above 180 deg F; use with fillers impregnated with oil, asphalt, tar or other migratory saturants; contact with oil-based or butyl caulking compounds, silicone sealants, polysulfides, or alcohol-based materials and solvents; aircraft runway or tarmac use; and exterior application when rain is expected before the sealant reaches initial cure.

Tip: Apply between 40 and 120 deg F (60 to 100 deg F for best results). Clean up uncured sealant with mineral spirits; scrape cured sealant away with a sharp-edged tool.

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