Hairline cracks should be cut open with a diamond blade. Clean repair area of dirt and contaminants. Remove protective sleeve and plugs from the tube. Some excess material may run out due to pressure. Place tube in standard caulk gun. Screw static mixing tube onto the tube. Slowly trigger the gun to move Crack Patch down the static mixing tip. Apply product to disposable material to be certain product has mixed thoroughly before application. Insert static tip into crack or seam so material fills void. Move gun along the seam or crack working from the center out, until repair is complete. As material sets, surface may be smoothed using dish soap, or a light, quick tapping motion with a finger or tool. Take caution as to not allow the material to stick to finger or tool. If tube is not empty after repair, leave tip in place until next application, then replace with new tip.
CLEAN-UP. Use rubbing alcohol to remove from skin or other surfaces as quickly as possible before product cures.