Porous Asphalt

Product Description:

Porous Asphalt is a specially designed open-graded hot mix asphalt that allows surface water to drain vertically through its structure into underlying layers. This significantly reduces surface water ponding and spray, enhancing road safety during wet weather in Malaysia's climate. It also offers potential noise reduction benefits.

Key Features:

• Mix Type: Open-graded Hot Mix Asphalt with interconnected voids.
• Layer Type: Wearing Course.
• Aggregate Structure: High percentage of single-sized coarse aggregate, minimal fines.
• Binder Type: Often uses Polymer Modified Bitumen (PMB) for durability.
• Properties: High permeability (allows water drainage), reduces splash and spray, improves wet skid resistance, potential noise reduction.
• Compliance: Manufactured to meet specific design requirements and relevant JKR/MS specifications for porous pavements.

Ideal for:

• Car parks and pedestrian areas to manage stormwater runoff.
• Specific sections of roads or highways prone to aquaplaning.
• Environmentally sensitive areas where surface runoff control is needed.
• Locations where traffic noise reduction is a priority.

Benefits:

• Enhanced Wet Weather Safety: Drastically reduces surface water, spray, and aquaplaning risk.
• Stormwater Management: Helps manage rainwater runoff at the source.
• Improved Skid Resistance: Maintains better friction in wet conditions.
• Noise Reduction: Open structure can absorb tire noise.

Order our Porous Asphalt for safer, quieter pavements with excellent water drainage!

Important Notes:

• Requires a specific pavement design including a suitable base and potentially sub-surface drainage.
• Susceptible to clogging if not maintained properly (requires periodic cleaning/vacuuming).
• May have lower structural strength than dense-graded asphalt; design must account for this.
• Requires careful production and placement techniques. Pricing per tonne.