IICRC S100 STANDARD AND REFERENCE GUIDE
FOR PROFESSIONAL CARPET CLEANING

The following chart from the IICRC S100 Standard and Reference Guide for Professional Carpet Cleaning serves as a guideline for recommending cleaning frequencies for carpet. They consider traffic, soil rating, vacuuming schedules, spot cleaning schedules, and professional interim and restorative cleaning.

RESIDENTIAL CARPET CLEANING FREQUENCY CHART

Traffic-Soil Rating	Carpet Owner / Maintainer		Professional Carpet Cleaner / Restorer
	Vacuuming	Spot Cleaning	Heavy-Use Area Cleaning	Restorative Cleaning
Light Soil	1x per week	Daily or as soon as spots are noticed	Traffic areas every 12 to 18 months	Every 2 years or per manufacturer warranty
Normal Soil ( families with children / elderly )	1 to 2x per week	Daily or as soon as spots are noticed	Traffic areas every 6 to 12 months	Annually
Heavy Soil ( families with pets / smoking )	2 to 4x per week	Daily or as soon as spots are noticed	Traffic areas every 3 to 6 months	Semi-Annually (2x per year)
Extreme Conditions ( large families / multiple pets )	Daily	Daily or as soon as spots are noticed	Traffic lanes every 2 to 3 months	Quarterly (4x per year)

Source: IICRC S100 Standard and Reference Guide to Professional Carpet Cleaning; http://www.iicrc.org

COMMERCIAL CARPET CLEANING FREQUENCY CHART

Traffic-Soil Rating	Carpet Owner / Maintainer		Professional Carpet Cleaner / Restorer
	Vacuuming	Spot Cleaning	Heavy-Use Area Cleaning	Restorative Cleaning
Light (under 500 foot traffics per day)	1 to 2x per week	Daily or as soon as spots are noticed	1 to 3 times annually	1 to 2 times annually
Medium 500-1000 foot traffics per day	Daily in traffic areas. Overall 3 to 4 times per week	Daily or as soon as spots are noticed	3 to 6 times annually	2 to 4 times annually
Heavy 1000-2500 foot traffics per day	Daily in traffic areas. Overall 4 to 7 times per week	Daily or as soon as spots are noticed	6 to 12 times annually	3 to 6 times annually
Very Heavy >2500 foot traffics per day	1 to 2 times daily in traffic areas. Overall 7 times per week	Daily or as soon as spots are noticed	12 to 52 times annually	6 to 24 times annually

Source: IICRC S100 Standard and Reference Guide to Professional Carpet Cleaning; http://www.iicrc.org

Spot cleaning may require expert advice or professional services. All spots are NOT created equal.