What are some common installation problems I could run into?

The following are some of the more common problems that may occur when wallcoverings are installed, along with their likely causes and solutions. Most involve improper or poor surface preparation, inadequate inspection prior to hanging, or installation errors. All of these problems can be avoided if proper instructions are provided and followed. If you have additional questions, please contact us directly at customer.service@tri-kes.com or 800 200 8120.

Seams opening Causes:
1. Excessive rolling of seams, forcing adhesive from behind wallcovering
2. Failure to apply adhesive to edges when pasting
3. Allowing paste to dry on edges while booking

Solution: Loose seams can usually be reaffixed using available wallcovering adhesives.

Curling or loose ends Causes:
1. Improper wall preparation (i.e., wall not sealed or no sizing)
2. Not enough adhesive used
3. Adhesive dried too fast due to high temperatures in room

Solution: If problem is restricted to ends or edges, wallcovering can be re-affixed using the proper adhesive.

Streaks on wallcovering or other surfaces Cause:
1. Failure to rinse off wallcovering and walls after hanging to remove all excess paste.

Solution: Rinse with water or proper cleaning solution (check manufacturer’s instructions).

Ragged edges when trimming Cause:
1. Trimming performed with a dull blade

Solution: Fresh blades should be used with every strip to ensure a clean cut.

Shading Cause:
1. With natural materials, such as grass cloth, slight variations in colors are natural; the type and degree of shading vary by wallcovering type

Solution: If the effect of natural shading is too stark, reversing each strip by hanging every other strip upside down can minimize the problem. Another method is to sort the rolls by tonal values and hang near-matches together. However, if the shading is due to the ground color not being consistent from roll to roll, the problem is one that occurred during printing and the wallcovering should not be hung. Contact TRI-KES at 800 200 8120 for assistance.

Design dropping or rising at ceiling line Causes:
1. Initial plumb line not truly vertical
2. Ceiling not on a horizontal plane
3. A combination of the two

Solution: There is no way to correct this problem if hanging has been completed. If it is caught at the end of installation on the first wall, placing a new, true plumb line on the next wall can help correct or minimize the problem of the ceiling not being horizontal. If the problem is caught after installation of the second or third strip, it can be corrected by drawing a new plumb line and double-cutting the adjoining incorrect strip.

Show-through Causes:
1. Selected wallcoverings being thin and semi-transparent enough to allow dark images caused by patching, etc., on the wall behind to show through

Solution: This potential problem can be avoided by priming the wall with a pigmented wallcovering primer/sealer. If the wall is in particularly bad shape and a semi-transparent wallcovering will be used, lining paper should also be used.

Bubbles and blisters Causes:
1. Not smoothing out a strip smoothly
2. Hanging in temperatures below 50 degrees Fahrenheit
3. Improper surface preparation
4. Not allowing the booked strips to relax for the proper amount of time

Solution: Some bubbles and blisters can be eliminated by pricking and smoothing out or, if large, slitting and squeezing in more paste and patting flat.

Source: Wallcoverings Association (www.wallcoverings.org)




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