Toupret Extrem' Wood is a 2-part beige polyurethane wood filler for repairing and renovating both large and small gaps, cracks, angles and holes in external timber surfaces. Extrem' Wood's excellent adhesion, strength, water resistance and flexibility make it the perfect choice for long term wood repairs of rotten timber in doors and windows. Extrem' Wood consists of a thixotropic translucent paste base (A), and a tinted hardener(B). Mix parts A+B together according to the instructions and use the mixed paste to fill gaps and holes in prepared hardwoods and softwoods without slumping. Toupret Extrem' Wood has no limitation to the depth of application. All surfaces to be filled must be clean and dry. Further applications of filler can be applied once the first application is dry. Filled surfaces can be painted when fully dry, normally after 24 hours. Clean tools with thinners whilst filler is still wet. Working time is 2-4 hours after mixing depending on temperature. Only apply when the temperature is between 10⁰ C and 35⁰ C, do not apply when the humidity is above 80%. Toupret Extrem' Wood is sold as 2 part filler, Part A is 250g, and Part B is 100g. Clean tools with thinners whilst filler is still wet.