It Spreads Smoothly Into Cracks And Holes, Takes Stains And Paints Evenly And Resists Cracking. Perfect For Any Type Of Custom Wood Project.• Non Flammable And Free Of Harmful Solvent Fumes• Won'T Crack Or Shrink• Can Be Sanded, Drilled Or Planed• Easy Water Clean-Up• Interior/Exterior Use• Dries In 30 Mintues