Fly Tile Grout Tile Adhesive and Grout Fly Tile Grout Fly Tile Grout CG2 WA · BS EN 13888 A coloured, cement-based joint grout modified with polymers and water-repellent additives, for joints from 1 to 8 mm in ceramic, porcelain and natural stone tiling. What CG2 WA meansCG2 — Improved cementitious grout.W — Reduced water absorption.A — High abrasion resistance. Data Sheet