History of Wallpaper
Since pre historic time, men disliked exposed and undecorated wall. These walls used to be decorated by animal skins.
At first, Londoners used to order hand painted paper to decorate their walls, till one Italian invented four color printing machine. Borders resembling a swag of fabrics were often added.
After world war II, the entire industry was revolutionized with appearance of plastic resins which offered stain resistance, washability, durability and strength.
Of course, this is what wallpaper is all about.
Types Of Wallpaper
There Are?
There are several categories of vinyl wallcovering, each with specific performance characteristics:
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Paper-backed vinyl/solid sheet vinyl A paper substrate coated with a vinyl plastisol.
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Paper-backed vinyl/solid sheet vinyl A paper substrate coated with a vinyl plastisol.
This sheet is thicker than the plastisol coating and provides greater durability. This type is classified as scrubbable and peelable, and can be used in most areas of a residence or business since it resists moisture, stains and grease. It will not withstand hard physical abuse, however.
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Fabric-backed vinyl A solid vinyl intermediate layer laminated to a woven or nonwoven fabric substrate.
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Fabric-backed vinyl A solid vinyl intermediate layer laminated to a woven or nonwoven fabric substrate.
The vinyl layer can vary from two to 35 mils in thickness. The thickness of the woven fabric is about 10 mils and that of the nonwoven fabric is about six mils. Fabric-backed vinyls usually are strippable and unpasted, and provide a vapor barrier that will keep cold air in and warm air out. Three types are available to meet different situations (as distinguished in the federal wallcovering specifications FS CCC-W-408D, Wallcovering Vinyl-Coated, and Chemical Fabrics and Film Association, Inc. (CFFA) specification 101D):
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Type A: For less heavily traveled areas subject to minimal scuffing and abrasion, such as above chair rails in hotel guest rooms and office buildings.
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Type B: For general use in areas where traffic and scuffing are major issues,such as foyers, lounges, corridors and classrooms.
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Type C: Primarily used as wainscot or lower protection for areas exposed to heavy traffic by movable equipment or rough abrasion, such as hospital corridors, storage and utility rooms, food service areas and elevator foyers.
The following terms are commonly used to describe important characteristics of wallcoverings:
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Washable means that a wallcovering can withstand occasional sponging with a prescribed detergent solution.
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Scrubbable means that a wallcovering can withstand scrubbing with a brush and a prescribed detergent solution. (No abrasive cleanser should be used.)
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Stain resistance is the ability to show no appreciable change following removal of different types of stains such as grease, butter, coffee, etc., after a set period of time.
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Colorfastness is the ability to resist change or loss of color caused by exposure to light over a measured period of time.
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Peelable means that the decorative surface and ground may be dry peeled leaving a continuous layer of the substrate on the wall which can be used as a liner for hanging new wallcovering. Peelable wallcoverings today are usually paper-backed vinyl products in which a paper substrate is coated with a vinyl plastisol.
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Strippable means that the wallcovering - complete with the substrate - may be dry peeled. Fabric-backed vinyl wallcoverings are usually strippable.
•
Type A: For less heavily traveled areas subject to minimal scuffing and abrasion, such as above chair rails in hotel guest rooms and office buildings.
•
Type B: For general use in areas where traffic and scuffing are major issues,such as foyers, lounges, corridors and classrooms.
•
Type C: Primarily used as wainscot or lower protection for areas exposed to heavy traffic by movable equipment or rough abrasion, such as hospital corridors, storage and utility rooms, food service areas and elevator foyers.
The following terms are commonly used to describe important characteristics of wallcoverings:
»
Washable means that a wallcovering can withstand occasional sponging with a prescribed detergent solution.
»
Scrubbable means that a wallcovering can withstand scrubbing with a brush and a prescribed detergent solution. (No abrasive cleanser should be used.)
»
Stain resistance is the ability to show no appreciable change following removal of different types of stains such as grease, butter, coffee, etc., after a set period of time.
»
Colorfastness is the ability to resist change or loss of color caused by exposure to light over a measured period of time.
»
Peelable means that the decorative surface and ground may be dry peeled leaving a continuous layer of the substrate on the wall which can be used as a liner for hanging new wallcovering. Peelable wallcoverings today are usually paper-backed vinyl products in which a paper substrate is coated with a vinyl plastisol.
»
Strippable means that the wallcovering - complete with the substrate - may be dry peeled. Fabric-backed vinyl wallcoverings are usually strippable.
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