Larsen PM04 Polyester Resin Mortar | HAPAS Approved Bedding Mortar

Larsen PM04 Polyester Resin Mortar from Larsen Building Products is a high-performance HAPAS-approved two-component polyester resin mortar specifically developed for the rapid bedding and fixing of highway ironwork, utility access covers, duct frames, and precast concrete units. Designed for use in heavily trafficked and critical infrastructure locations, PM04 delivers exceptional strength, durability, and rapid return-to-service performance.

Supplied as a two-pack fast-setting system, PM04 has been formulated for ease of mixing, placement, and installation while providing outstanding load-bearing performance in demanding highway and utility environments. Its advanced polyester resin technology offers superior bonding and strength characteristics compared to conventional cementitious bedding mortars, making it ideal for applications where speed and reliability are essential.

Fully accredited by BBA/HAPAS as a standalone product, Larsen PM04 can be used in all highway classifications without restriction, making it a trusted solution for contractors, highways authorities, utilities, and civil engineering projects requiring fast-track reinstatement and long-term performance.

Suitable for bed depths from 5mm to 50mm, PM04 is ideal for installations where rapid strength development and minimal traffic disruption are critical.

Key Features

• HAPAS and BBA accredited as a standalone product
• Two-component polyester resin mortar
• Rapid-setting bedding and fixing system
• Suitable for all highway classifications with no restrictions
• Exceptional compressive and load-bearing strength
• Rapid return to service
• Easy to mix and apply
• Suitable for critical infrastructure applications
• Ideal for heavily trafficked locations
• Bed depths from 5–50mm
• Professional-grade highway and utility installation mortar