Powdery grout

Low grout

Powdery grout

Tile installation

Soft grout

Powdery grout

Powdery grout

Grout joint width

Follow manufacturer's instructions on mixing

Powdery or Soft Grout Joints (Tile)

Floor Detective® Flooring Claims and Conditions Guide

What You Need to Know

• Powdery or soft grout joints describe a condition in which cementitious grout lacks expected surface hardness or internal cohesion after curing
• The condition may present as surface chalking, friable joint edges, or deeper loss of grout integrity depending on contributing factors
• Powdery grout is commonly associated with hydration disruption, moisture imbalance, or

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