GSB manufacturers / dealers / suppliers in Pune for exterior construction

Granular Sub Base (GSB) is a layer in road construction placed above the subgrade and below the Wet Mix Macadam (WMM) or Bituminous layers. It is made up of well-graded granular material such as crushed stone, gravel, or coarse sand. GSB provides a strong foundation, distributes load evenly, and enhances the drainage properties of the road.

Key Features:

• Material: Well-graded granular material such as crushed stone, gravel, or coarse sand.
• Function: Acts as a load-bearing layer that distributes stresses and improves road strength.
• Drainage: Provides excellent drainage and prevents water accumulation in pavement layers.
• Durability: Enhances overall road life by reducing maintenance needs.
• Application: Placed above subgrade and below Wet Mix Macadam (WMM) or Bituminous layers.