roll up door and windows shutter,we have slat type 33mm,37mm,49mm, ... or as clients' request alimunum roll up door and windows shutterAll the aluminium roller shutter profiles are made of ... energy saving, theftproof, rainproof, noiseproof, sunproof, wind & sand proof, cold proof, peek proof, rustless,etc while they keep the whole house with ... kinds of weather. alimunum roll up door and windows shutter