Polylok's 30"x12" risers are available in black and can be stacked on top of each other.
Polylok risers are engineered for tough jobs and hassle-free installs. Available in 12", 20", 24", and now our largest yet, 30" diameter, they stack securely to create custom heights without sacrificing strength. Ideal for septic, drainage, or access applications, these risers deliver the reliability professionals depend on every day. Built to withstand harsh conditions, they provide long-lasting performance and peace of mind on every job.