← Return to The Knowledge Center

Technical References

A growing reference library dedicated to porcelain tile standards, testing methods, performance requirements, installation practices, and professional terminology.

12 Published 2 Featured Buying Guides 10 Planned Last Reviewed: August 2026

Technical Publications

Explore current technical references in The Knowledge Center.

PTKC-049 Featured Buying Guide

Porcelain Tile vs. Ceramic Tile: Which Should You Choose?

Understand porcelain as a ceramic tile classification, including absorption, application limits, and buyer decisions.

Read featured guide →
PTKC-048 Published

What Is the Difference Between Glazed and Unglazed Porcelain Tile?

Compare surface construction, through-body terminology, wear tests, stains, scratches, maintenance, and selection.

Read publication →
PTKC-046 Published

What Do Dimensional Stability and Consistency Mean in Porcelain Tile?

Understand facial dimensions, thickness, straightness, squareness, warpage, caliber, and movement after installation.

Read publication →
PTKC-043 Published

Is This Porcelain Tile Rectified? What Rectified Edges Mean

Learn how rectification changes tile edges, sizing precision, grout-joint expectations, and buying decisions.

Read publication →
PTKC-042 Published

What Do PEI, Scratch Resistance, and Traffic Ratings Mean in Porcelain Tile?

Separate visible abrasion, scratch hardness, deep wear, breaking strength, and installed traffic performance.

Read publication →
PTKC-040 Published

What Do Grout Joints Mean in Porcelain Tile Installation?

Understand joint width, tile variation, rectified edges, grout materials, and movement-joint distinctions.

Read publication →
PTKC-036 Published

What Do Porcelain Tile Finishes Mean?

Compare matte, polished, honed, satin, textured, and grip finishes across performance and maintenance.

Read publication →
PTKC-034 Published

What Does Abrasion Resistance Mean in Porcelain Tile?

Learn why glazed and unglazed surfaces use different wear tests and how to specify for traffic.

Read publication →
PTKC-032 Published

What Does Breaking Strength Mean in Porcelain Tile?

Understand breaking force, modulus of rupture, laboratory testing, and installed-system performance.

Read publication →
PTKC-029 Published

What Does Tile Thickness Mean in Porcelain Tile?

Learn how thickness is measured, how it relates to performance, and what to verify before specification.

Read publication →
PTKC-027 Published

Why Is Porcelain Tile So Stain Resistant?

Discover how porcelain tile resists stains and performs with minimal maintenance.

Read publication →
PTKC-021 Published

Why Does Porcelain Tile Have Low Water Absorption?

Learn how porcelain's dense structure supports durability, stain resistance, and frost resistance.

Read publication →
PTKC-014 Published

What does slip resistance mean in porcelain tile?

Understand DCOF, R ratings, pendulum testing, and anti-slip surface engineering.

Read publication →