in the case of sofas the work becomes somewhat complicated, but a new cover can come to renew the bad aspect of it completely. but, again, one of the things that we have seen over the last few weeks is that this oil breaks down very, very readily, especially if it's exposed to waves and tides. twice, but the performance issue is still there. please don’t read them all at once, however tempting that might seem. i do hope the day has inspired you to think towards future years. 