Technical Specification


Porcelain Enamel Institute (PEI)

This test is only for glazed tiles and does not apply to unglazed porcelain tile or unglazed types of tile. All glazed floor tiles are classified under a porcelain Enamel Institute (PEI) rating

PEI Class 0

No foot traffic - Wall use only


PEI Class 1

Very light traffic - Bare or stocking foot traffic


PEI Class 2

Light traffic - Slipper or soft-soled shoes: second level bathrooms & bedrooms

PEI Class 3

Light to moderate traffic - any residential area, with exception of some entrances and kitchens if traffic is heavy


PEI Class 4

Moderate to high traffic - Residential entry, kitchen, covered balcony, and countertops; light commercial


PEI Class 5

High traffic - Any residential, commercial