Watertight Design

Watertight Design | Specialty Precast Whether you’re building a simple foundation for a manufactured home or building an elaborate custom home, Specialty Precast Company offers a versatile product to meet most specifications.

Watertight Design
Watertight precast walls are achieved utilizing a crushed limestone base, a watertight concrete mix and multiple sealants between each panel.

  • Crushed limestone base – Almost all foundations are set on a crushed limestone base which eliminates hydrostatic pressure as a source of moisture commonly found in foundations with concrete footers.
  • Watertight precast walls concrete mix – the mix design exceeds the watertight concrete specifications by 25% using a 5000 psi mixture.
  • Multiple sealants – each panel is sealed using two layers of a butyl rubber material and a third seal of polyurethane.