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425 North Dauphin St.
Allentown, PA 18109

Phone: (610) 435.6746

Fax: (610) 437.7133

EJ Infra-Riser


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Monarch Precast Concrete Corporation is pleased to announce the addition of a new item to our product line. We are now a stocking distributor for INFRA-RISER.

INFRA-RISER is a below grade multi-purpose composite adjustment riser for sanitary and storm water structures. The INFRA-RISER rubber composite adjustment riser reduces traffic vibration damage, thus prolonging the life of manhole structures and the surrounding pavement. It protects against load concentration stresses, and helps prevent water infiltration by creating a virtually tight seal between the manhole chimney and the manhole or catch basin frame.

INFRA-RISER is also environmentally friendly, it is made of 92% recycled raw materials. Please contact our sales team for information and pricing.

EJ Infra-Riser