That cleaning between vacuuming and deep-cleaning
Interim maintenance cleaning focuses on making carpet look good. Interim maintenance systems remove soil, which improves the appearance of carpet and in turn, prolongs a carpet's useful life.
For Seal of Approval interim maintenance testing, systems are used on uniformly soiled control carpets then rated visually and instrumentally to determine the degree to which the maintenance system was able to visually improve the appearance of the control carpet.
Careful Measurement Leads to Superior Performance
The CRI Seal of Approval program tests the effectiveness of interim maintenance systems. To qualify for the seal, extractors must meet stringent standards in all test categories: