Ink runs when paper is rinsed with water: this can be caused by Washing during the installation process, though delicate wallpapers may require This is caused by factory errors relating to the reverse installation of the Paste on front and vinyl on back of vinyl coated paper: normally Sometimes this error may beĬaused by improper booking time during the installation process. The replacement of the defective materials. Some of theseĮrrors may be repairable during the installation process, but others may require Improper lamination of the ground material to the substrate. Manufacturing error that can effect various substrates. This defect will always be cause for replacement. Ink runs out for certain colors: simple factory error where theĬolorant level runs low and causes faded to no coloring in the pattern. Still wet colorants coming in contact with the rollers of the press. May either be blank lines resulting from scraping or ink colored lines due to Through the various bars and rollers of the printing press. Depending on the location and severity, this type of error mayĭrag lines in ink: caused by the manufacturer when the paper runs Ink spots: caused by leaks and drips of colorant during the Paste or activators, then replacement would be prudent. Paste missing on prepasted paper: if using additional wallpaper Would call for replacement of affected rolls. Vinyl runs out on front of vinyl coated paper: caused by acrylic coating running out during final coating process. This type of error is the Sunday comics, where the color can sometimes appear Some times the print will be OK and then further into the pattern, it will start to Or the yellow center of the flower is an inch Line of a leaf is printed first, then the inside green part. Printing of a wallpaper design is out of alignment. Where the print is cut or printed on a slight diagonal so that the patternĭrops down about 1/4 inches on every sheet. Razor, or may be 'double cut' on the wall. This excess may be trimmedĪt the work table using a straight edge and Wallpaper has been trimmed away which results in a slight double image forming at the seam. Under-trimming is the complete opposite to over-trimming. You should return the wallpaper to the retailer for replacement.Ģ. If it is noticeable at a glance or is unacceptable, When an excess amount of material has been trimmed away, there is no way to compensate for the missing pattern. Over-trimming is a result of too much of the wallpaper being trimmed away. Patterns of each roll, and insuring they are identical especially where theyġ. This is normally most prevalent when looking along a finished wall where the light dark variation is most conspicuous. Uneven emboss: where the embossment of the wallcovering is deeper or lighter on one edge, this will give an effect of shade variation. Shouldn't be installed and should be taken back to the supplier for replacement.ģ. Shade roll to roll: this is where there is a color variation between rolls in the same batch number. This involves reversing every other strip to match up shading variations.Ģ.

Edge shade: where there is a color variation from one side of the sheet to the other, with plain all over designs and some textural type designs the technique of reverse hanging can be applied.

Process and are not manufacturer's defects.ġ. Process due to expansion/contraction factors inherent to the installation Note: seams may be apparent after the installation The remaining wallpaper should be returned to the supplier for If either of these remedies are unacceptable, When two strips are joined together this problem is magnified.Īfter installation, color white seams with colored chalk or permanent water colors of a similarĬolor to the background of the paper. White edges are caused when the steel at the factory is either dull or is slightly tilted towards theĬenter of the strip, the edges, prior to installation, are actually beveled leaving the substrate or backing of the White edge: a common problem that is especially evident when installing darkĬolored background wallcoverings because the edges show white when butted together. Returned to the supplier for replacement. The installer should identify this problem within the first roll hung, the remaining product should be This results in the seams weaving in and out when they are supposed to be cut perfectly straight. Scalloped edge: result of the trimmers in the factory moving back and forwards as the Many times the edges are only damaged within the first turns of the wallpaper, Banner png black.This page discusses the defects and errors that may beįound in wallpaper and other wallcoverings.ĭamaged edge: generally caused by improper handling either by the carrier from factory to supplier or from supplier to installer.

Color lines wallpaper