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The SB-3 4″ x 4″ x 4″ Support Block is a durable solid urethane component designed for American Made polyurethane balustrade systems. Lightweight, waterproof, and easy to install, it is engineered to resist cracking, warping, splitting, rot, and moisture damage. Compatible with 4-inch, 6-inch, and 7-inch American Made balustrade systems, this support block provides dependable structural support for residential and commercial railing installations.

DEPARTS:  6-8 Weeks
Departs From: Illinois
Material: Urethane
Ships to Canada: Yes

Product Overviews:

  • Outlasts resin, plastics, and wood products
  • Will not crack, warp, or split
  • Waterproof
  • Solid urethane
  • Lightweight and easy to install

$15.94