12mm Bitumen Mastic Pad

For SANDHYAFLEX 12mm × 2ft × 4ft Bitumen Mastic Pad, the key purpose is bridge bearing cushioning, expansion joint filling, and vibration absorption. This is a heavy-duty waterproof and compressible pad widely used in civil construction projects.

📌 Product Overview

SANDHYAFLEX Bitumen Mastic Pad (12mm thick, 2ft × 4ft) is a preformed flexible pad made from bitumen, mineral fillers, and rubber additives, designed to:

• Absorb vibration & load movement

• Provide watertight sealing

• Act as a shock-absorbing layer between concrete structures

⚙️ Technical Specifications ParameterDetails

Size	12mm thickness × 2ft × 4ft
Material	Bitumen + mineral filler + rubber
Density	~1.8 – 2.0 g/cm³
Compression	High load-bearing capacity
Water Absorption	Very low (waterproof)
Temperature Resistance	Up to ~70–80°C
Finish	Smooth / semi-flexible sheet

🔧 Key Features

✔ Excellent shock absorption → reduces structural stress
✔ Waterproof & weather-resistant
✔ High compressive strength → supports heavy loads
✔ Flexible & easy to install
✔ Resistant to chemicals & ageing

🏗️ Where It Is Used Bridge Construction

• Bridge bearings

• Deck slabs

• Expansion joints

Structural Projects

• Flyovers

• Metro projects

• Industrial foundations

Other Applications

• Rail track support systems

• Precast concrete joints

• Heavy machinery base isolation

👉 Mainly used where load transfer + movement + vibration control is required.

📊 Advantages vs Traditional Materials FeatureBitumen Mastic PadRubber Pad

Load Capacity	High	Medium
Waterproofing	Excellent	Moderate
Cost	Economical	Higher
Durability	High	High
Installation	Easy	Easy

💰 Typical Price (India)

• Approx ₹300 – ₹600 per piece (2ft × 4ft × 12mm)
  (Depends on quality and quantity)

✅ Final Recommendation

• Best for bridges & heavy structures → 12mm pad (standard choice)

• For higher load → use thicker pads (15mm–25mm)

• For light structures → thinner pads (6mm–10mm)

🧠 Simple Conclusion

SANDHYAFLEX 12mm Bitumen Mastic Pad = Strong + Waterproof + Shock-absorbing solution for heavy construction joints

If you want, I can also help you with:

• IS standard specifications

• Load calculation / thickness selection

• Or a sales brochure/catalog for your products