standard 100 x 100 mm, 40-60mm thick 81 per sq m. normally laid with 10-12 mm joint. £ please call heavy duty 100 x 100 mm, 60-90mm thick 81 per sq m. normally laid with 10-12 mm joint. £ please call
standard 150 x 150 mm, 60-90mm thick 36 per sq m. normally laid with 12-15 mm joint. £ please call heavy duty 150 x 150 mm, 90-110mm thick 36 per sq m. normally laid with 12-15 mm joint. £ please call