The Jaribu Peppercorn Holdings
Aggregates, Stone & Cement — reference photography (Unsplash via design-reference, local preview only)
Quarry-direct foundations and load-bearing materials

Aggregates, Stone & Cement

Fresh machine-cut foundation and walling stone from Ndarugo and Juja quarries, blue ballast, coarse concrete sand, fine plaster sand, and fresh factory cement.

Materials

ItemSpecificationOrigin
Machine-Cut Stone (6" & 9")High compressive strength dressedNdarugo / Juja Quarries
Crushed Blue Ballast (1/2", 3/4", 1")Clean graded volcanic ballastDirect Quarry Sourced
River Sand & Plaster SandClean, silt-tested river sandMachakos / Naivasha
Portland Cement (32.5R & 42.5N)Standard & High-Early StrengthBamburi / Savannah / Simba