TDS
Prism®UltimatePerformanceGrout/TDS128
Coverage
For17lb.boxofPrisminft²(m²)perbox
Tile Size Joint Width
Width x Length x Thickness 1/16" (1.6 mm) 1/8" (3 mm) 3/16" (4.8
mm)
1/4" (6.3 mm) 3/8" (9.5 mm) 1/2" (13 mm)
1" x 1" x 1/4" (2.5 x 2.5 x .64 cm) 96ft²(8.9m²) 54ft²(5m²) 40ft²(3.7m²) 33ft²(3.1m²) 27ft²(2.5m²) 24ft²(2.2m²)
2" x 2" x 1/4" (5 x 5 x .64 cm) 181ft²(16.8m²) 96ft²(8.9m²) 68ft²(6.3m²) 54ft²(5.0m²) 40ft²(3.7m²) 33ft²(3.1m²)
3" x 3" x 1/4" (7.6 x 7.6 x .64 cm) 266ft²(24.7m²) 138ft²(12.9
m²)
96ft²(8.9m²) 74ft²(7m²) 54ft²(5m²) 43ft²(4m²)
4.25" x 4.25" x 1/4" (10.8 x 10.8 x .64
cm)
372.4ft²(34.6
m²)
192ft²(17.8
m²)
131ft²(12.2
m²)
101ft²(9.4m²) 71ft²(6.6m²) 56ft²(5.2m²)
6" x 6" x 1/4" (15.2 x 15.2 x .64 cm) 521ft²(48.4m²) 266ft²(24.7
m²)
181ft²(16.8
m²)
139ft²12.9m²) 96ft²(8.9m²) 75ft²(7.0m²)
8" x 8" x 3/8" (20.3 x 20.3 x 1 cm) 461ft²(42.8m²) 234ft²(21.7
m²)
158ft²(14.7
m²)
121ft²(11.2
m²)
83ft²(7.7m²) 64ft²(6m²)
12" x 12" x 3/8" (30.5 x 30.5 x 1 cm) 688ft²(63.9m²) 348ft²(32.3
m²)
234ft²(21.7
m²)
177ft²(16.5
m²)
121ft²(11.2
m²)
92ft²(8.6m²)
16" x 16" x 3/8" (40.6 x 40.6 x 1 cm) 915ft²(85m²) 462ft²(42.8
m²)
310ft²(28.8
m²)
234ft²(21.7
m²)
158ft²(14.7
m²)
121ft²(11.2
m²)
18" x 18" x 3/8" (45.7 x 45.7 x 1 cm) 1028ft²(95.5m²) 518ft²(48.1
m²)
348ft²(32.3
m²)
262ft²(24.4
m²)
177ft²(16.5
m²)
135ft²(12.5
m²)
20" x 20" x 3/8" (50.8 x 50.8 x 1 cm) 1142ft²(106.1
m²)
574ft²(53.4
m²)
385ft²(35.8
m²)
291ft²(27m²) 196ft²(18.2
m²)
149ft²(13.8
m²)
24" x 24" x 3/8" (61 x 61 x 1 cm) 1369ft²(127.2
m²)
688ft²(63.9
m²)
461ft²(42.8
m²)
348ft²(32.3
m²)
234ft²(21.7
m²)
177ft²(16.5
m²)
6" x 24" x 3/8" (15.2 x 61 x 1 cm) 552ft²(51.3m²) 279ft²(26m²) 189ft²(17.5
m²)
143ft²(13.3
m²)
98ft²(9.1m²) 75ft²(7m²)
12" x 24" x 3/8" (30.5 x 61 x 1 cm) 915ft²(85m²) 461ft²(42.8
m²)
310ft²(28.8
m²)
234ft²(21.7
m²)
158ft²(14.7
m²)
121ft²(11.2
m²)
6" x 36" x 3/8" (15.2 x 91.4 x 1 cm) 591ft²(54.9m²) 299ft²(27.8
m²)
202ft²(18.7
m²)
153ft²(14.2
m²)
104ft²(9.7m²) 80ft²(7.4m²)
9 x 36" x 3/8" (22.9 x 91.4 x 1 cm) 824ft²(76.6m²) 416ft²(38.6
m²)
279ft²(26m²) 211ft²(19.6
m²)
143ft²(13.3
m²)
109ft²(10.2
m²)
12" x 48" x 3/8" (30.5 x 122 x 1 cm) 1096ft²(101.9
m²)
552ft²(51.3
m²)
370ft²(34.4
m²)
279ft²(26m²) 189ft²(17.5
m²)
143ft²(13.3
m²)
Chart for estimating purposes. Coverage may vary based on installation practices and jobsite conditions. For more tile and joint sizes, use the Material
Calculator at CustomBuildingProducts.com or contact CUSTOM Technical Services at 800-282-8786.
Prism®UltimatePerformanceGrout
Published Date: 3/29/2018