Liberon exterior wood protector is a versatile product which gives a water and uv resistant finish to most types of exposed timber the clear finish will not alter the natural colour of the wood but will form a protective barrier against weathering sunlight and extreme temperatures of 10c to 43 35c it is also ideal for use on both horizontal and vertical timber making it suitable for pergolas balustrades fences garden furniture and summer houses offering long lasting protection for up to 3 y