hi we are after some interior silver thermal screens for our new hymer b64well 1996 new to us and very excited to go out and are busy planning our first trip we have ex condition exterior and interior blinds for our old autosleeper legend gl 1989 alas too small for this van i have looked at lorry silver blinds which they are advertising as suitable for large screen m/hs/has any one any expirience of this or anyone know of some used blinds many thanks