Exterior, heavy-duty premium quality adhesive for landscaping needs, Formulated specifically for outdoor landscaping projects like installing cement paving stones or securing cap stones, Waterproof and resistant to all types of weather ranging from sub-freezing temperatures at -18°C to 38°C, Provides strong, durable bonds to brick, stone, metal, concrete, slate, wood, treated lumber, timbers and more, Can be gunned directly onto wet and frozen lumber and will not roll up as other adhesives will, Particularly effective bonding irregular surfaces and filling or bridging gaps between surfaces