... use of saw dust, timber fillings and recycledplastics to make pvc, so pvc is really recyclable product.There is no requirement to use ... the timberequivalent, pvc is maintenance free, it is estimated that your typical timber material will cost10% of it cost per annum ... , no glue , low maintenance6, weather resistant,7, well done of termites, insects , and moldy-proof8, available in different colors9, ...