Minimum Thickness & Weight Allowance |
This chart indicates the cross-sectional and weight
allowances that should be observed in using the
various types of Terrazzo. See NTMA’s Technical
Data for architectural details and further information. |
| Installation
Type |
Minimum
Allowance
For Finish |
Weight
Per Sq Ft. |
| Sand cushion |
2.5 inches |
30 lbs. |
| Bonded |
1.75 inches |
20 lbs. |
| Monolithic |
1/2 inch |
6 lbs. |
| Venetian (Sand Cushion) |
3 inches |
36 lbs. |
| Epoxy |
1/4 inch |
3 lbs. |
| Polyester |
1/4 inch |
3 lbs. |
| Polyacrylate |
3/8 inch |
4.5 lbs. |
| Latex Matrix |
3/8 - 1/2 inch |
4.5 lbs. to 6 lbs. |
| Palladiana |
3 inches |
36 lbs. |
| Structural |
5 inches |
varies |
|
NOTE: The above minimum
allowances for finish may be increased with corresponding
increase in dead
load weight computations. The above standard allowances
for finish are the MINIMUM applicable for the type
of finish indicated. |