GSB & WMM Laying Services
Reliable GSB and Wet Mix Macadam Laying Contractors in Maharashtra
Shreeyash Construction is a top road building company in Maharashtra specializing in GSB (Granular Sub Base) and WMM (Wet Mix Macadam) laying. We deliver road foundation works with precision, using modern equipment and adhering to MoRTH & IRC standards for durability and performance.
What is GSB in Road Construction?
GSB stands for Granular Sub Base, the bottom-most layer of a road pavement that provides a strong foundation for upper layers. It distributes load, prevents capillary action, and enhances drainage.
- Materials Used: Crushed stone aggregates, river bed materials
- Purpose: Acts as a supportive and drainage-friendly layer beneath WMM
WMM (Wet Mix Macadam) Laying Process
WMM is the base layer laid over the GSB, consisting of well-graded aggregates mixed with water, laid using a paver finisher, followed by compaction.
- Subgrade Preparation
- GSB Layer Laying & Compaction
- WMM Laying Using Paver
- Rolling & Compaction with Vibratory Rollers
- Quality Testing & Surface Inspection
Technical Specifications for GSB & WMM Laying
| Parameter | GSB Specification | WMM Specification |
|---|---|---|
| Material | Crushed Stone | Graded Aggregate + Water |
| Layer Thickness | 150 mm (standard) | 100–250 mm |
| Max Aggregate Size | 75 mm | 26.5 mm |
| Compaction Density | 98% of MDD | 98% of MDD |
| Moisture Content | Optimum Moisture Content | Optimum Moisture Content |
| Rolling Equipment | 8-10 Ton Vibratory Roller | Tandem Roller / PTR |
| Surface Tolerance | ±10 mm | ±5 mm |
| Testing | Gradation, MDD, Field Density | Gradation, MDD, Field Density |
Why Choose Us?
- Experienced Team & Engineers
- High-Efficiency Paver Finishers
- Accurate Moisture Control & Rolling
- Adherence to MoRTH & IRC Guidelines
- On-Time Execution with Quality Testing
Applications
- National Highways
- Rural Roads (PMGSY)
- Industrial Parks
- Residential Layouts
- SEZs and Logistics Parks
GSB Contact – Reach Out to Us Today!
Searching for GSB contractors or laying of WMM near you? Shreeyash Construction is your go-to partner. We are known for technical accuracy, project integrity, and dependable timelines.
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