How To Clean Sofas – The Shrinkage Test
This test is usually carried out on cotton and button backs, pleats, and sofas that have been reupholstered.
What You Will Need
Four Straight Pins
A Tape Measure
Spray Bottle With Working Strength Cleaning Solution
How To Test Your Sofa For Shrinkage Before Cleaning
On the back edge of a cushion insert the pins in a 60mm square
Now wet the area with your cleaning solution in the spray bottle
After 5 minutes re measure the square
Results For Shrinkage Before Sofa Cleaning
Anything over 5% is not acceptable as shrinkage will cause the cushions and valances to curl up and even seams might come apart.
5% is a loss of 3mm
10% is a loss of 6mm