Hercules Building Blocks
At RealTuff Builders you can purchase Hercules Clay Blocks loose and crate (234 blocks). Build with the strength of Hercules! The Hercules Clay Block that is. These 4” vertical core blocks make your load bearing exterior walls and wall corners SOLID and SECURE.
4” vertical core block used for exterior walls and wall corners (load bearing)
*Nominal Size: 4” x 8” x 16” (see description for further information)
Actual Size: (90mm x 190mm x 390mm)
Blocks per pallet: 234
*Nominal Size: In manufacturing, a nominal size or trade size is a size “in name only” used for identification. The nominal size may not match any dimension of the product, but within the domain of that product the nominal size may correspond to a large number of highly standardized dimensions and tolerances.
Tested using international standards, ASTM C652-12 – Standard Specification for Hollow Brick (Hollow Masonry Units Made From Clay or Shale).
| Specific Clauses | Acceptance Criteria | |
| Classification | Grade – MW, Type- HBS , Class- H60V | |
| Weathering Index | N/A | |
| Compressive Strength | Min. Av. of five (5) samples 20.2N/mm². Individual 17.2 N/mm² | |
| Absorption | Max. Av. of five (5) samples 17 %. Individual 20 % | |
| Face & End Shell Thickness | < 101 mm unit Min. 17 mm for both Face & End shell thickness. For 150 mm unit Min.19 mm for both Face & End Shell thickness. | |
| Dimensions | ≤ 102 mm (±4mm) >102mm to ≤ 152mm (5mm) | |
| Warpage | ≤204mm (3mm),>204mm to ≤ 306mm (5mm) >306 to ≤408 (7mm) |
Less Water Absorption
ADVANTAGES
- Dries Faster
- Less downtime during construction
Fire Resistant
ADVANTAGES
- Withstands fires longer than any other standard material
Stronger
ADVANTAGES
- Up to 60% higher compressive strength