Loctite PL, 28 OZ, Landscape Block Adhesive, Exterior, Heavy Duty, Designed To Meet Any Landscaping Need, Quick Easy Solution To Installing The Final Course Of Cap With Landscape Blocks The Installation Of Cement Paving Stones, Use For Securing Block Walls Capstones For Bonding Brick, Stone, Timbers, Concrete, Metal Wood, May Be Used Under A Variety Of Moisture Temperature Conditions Ranging From SubFreezing To Elevated Temperatures, Dry, Wet Or Frozen Framing, Provides Excellent Flexibility To Compensate For The Different Expansion Rates Of Dissimilar Materials, Effective When Bonding Irregular Surfaces Or Bridging Gaps Between Surfaces, Use It On Brick, Stone, Slate, Metal, Concrete, Wood, Timbers