Replace missing/rotted wood with structural strength greater than most wood. Permanently repair window sills, frames, cornish, furniture, decking; rebuild missing wood; bridge or reinforce larger holes with screen wire or wood blocks. 30-40 minute working time. 90 minutes tack free, overnight for service, 1 week max cure time at 70 degrees Fahrenheit. After cure work and tool like real wood. Contains real wood pieces. Resistant to weather elements, mildew, dry rot, UV light, fresh and salt water, and chemicals present in pressure treated wood. No vise or clamp needed for most applications. Will not drip or sag when applied to flat, vertical or overhead surfaces. 850 psi tensile shear strength. 50-55 hardness shore D after 1 week of curing.