|
|
| Federal
Specification CCC-W-408 -- Vinyl Wall Covering |
|
Federal Specification CCC-W-408 was issued May 8, 1963, and
provides for vinyl coated wall coverings standard
requirements. Federal Specifications where developed
for governmental procurement purposes
and may or may not be in-print or enforceable.
Note: Vinyl Wall Coverings on exterior walls can create a
moisture barrier or vapor sandwich, resulting in mold
formation. |
|
|
|
Three Types and Two Classes of Vinyl Wall Covering:nyl Wall Covering: |
|
Type 1 |
Light
Duty |
7 oz. per sq. yard |
For use as a maintenance-free covering for areas
not subjected to abrasion or wear traffic, and for ceilings. |
|
Type 2 |
Medium Duty |
13 oz. per sq. yard |
For general use in area where there is average
traffic and scuffing. |
|
Type 3 |
Heavy
Duty |
22 oz. per sq. yard |
For use only as wainscoting or lower wall
protection for areas exposed to damage by moveable equipment
or to abusive conditions, such as exist in hospitals. |
|
|
Class 1 |
Regular Finish |
|
Class 2 |
Mildew-Resistant Finish |
Composition may be of three layers, the first being a
supporting material of cotton cloth, non-woven fiberglass,
asbestos or other suitable material.
Supporting materials for Class 2 must be mildew resistant
treated. The second layer is a coating compound of of
elasticized, or copolymerized vinyl chloride resin which is
applied to the outside of the supporting material is a
continuous film. This layer is integrally pigmented.
A clear coating may be added as a third layer if it is
necessary in order to meet the physical requirements noted
in the specification |
|
Type |
Pieces per Roll |
Yardage per Roll |
|
Type 1 |
Single piece |
Not less than 72 square feet, plus 1 foot tolerance |
|
Type 2 |
2 pieces |
Not less than 15 yards or more
than 45 yards |
|
Type 3 |
4 pieces
6 pieces |
15 to 30 yards
Over 30 yards |
|
Note: All pieces to be in 3-yard
length or multiples thereof. The specification
also includes requirements and test procedures as to
breaking strength, tear strength, hydrostatic resistance,
abrasion resistance, char length, color-fastness to light,
shrinkage, cold crack, blocking, heat aging, and cracking.
Manufacturers should be able to supply all the information
concerning specification requirements and test data upon
request. |
|
© 1998-2008 p1m.com |
|