1、Upholstered Wall System + Fabric ? The finished appearance of the upholstered wall systems shall be free from blisters, wrinkles or any other defects due to faulty workmanship. All fabrics used for the upholstered wall system shall be approved by the System Manufacturer prior to the purchase of fabr2、ic to assure appropriateness of fabric content, weave, thickness and other characteristics affecting use in system specified. All fabrics used for the upholstered wall systems shall be appropriately backed according to Fabric Manufacturer s recommendations. The fabric as installed shall remain dimen3、sionally stable year round and will not sag or distort. ? ? ?! #$!%?:?A?CBED?F?G?HJILK?(?M?N?O6PEQ?R?( $;?K?( ?%? 2543 Pile Loss (Reverse) BS 4655 ? ?; #;? 4655 N/A N (no visible effect) N ? 1006 UK-TB Y?Z 3-4 Rubbing with Organic Solvents BS 1006, Section D02 (?_?X C #!? 1006 D02Y?Z 3-4 Staining 3-4?a Water BS 2543 Annex E #!? 2543E 3-4 Change of colour , 3 Staining 3-4 0 3?a Coated fabrics; Shal