There are mainly two types of roller garage doors; there are aluminum insulated double-skinned or steel-single-skinned roller doors. Double-skinned are insulated, are more secure and have less noise than the single-skinned even though they are more expensive.
There are mainly two types of roller garage doors; there are aluminum insulated double-skinned or steel-single-skinned roller doors. Double-skinned are insulated, are more secure and have less noise than the single-skinned even though they are more expensive.