Limited colour ranges and finishes Colours fade quickly Not aesthetically pleasing Not a DIY friendly product as they are difficult to manoeuvre, extremely heavy and can be dangerous to handle Limited to straight lines Restricted to mainly trade installations which are labour intensive and costly compared to DIY Overall walling costs are increased by steel posts and concrete footings Additional sleepers and posts are not stocked by its distributors making supply difficult or expensive on small projects Construction of steps is costly and impractical Cutting is difficult