Underground Conduit Spacers, HDPE Sheet Manufacturing & Fabrication
Underground Conduit Spacers, HDPE Sheet Manufacturing & Fabrication
Leading the Industry in Recycled HDPE Sheets
One Stop Shop
We manage the entire lifecycle under one roof – from extruding HDPE Sheets and recycling internal scrap to final CNC fabrication and direct customer shipping. By streamlining logistics and offering full-volume order fulfillment, we eliminate third-party markups and significantly cut your freight costs
Grinding
Sheet Making
Cutting
Scrap (to regrind)
Storage
Grinding
Our industrial scrap grinding process reduces waste and lower environmental impact. Using a high-capacity grinder, we process post-industrial sheet scrap back into high-quality regrind, which is directly fed back into our sheet extruders to keep plastic out of landfills.
Sheet Making
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.
Cutting
In Process Cutting: Trimmed to rough dimensions right on the extrusion line.
CNC Precision Cutting: Cut to exact specifications for tighter tolerances at a slightly higher cost
Scrap (to regrind)
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.
Storage
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.
Sheet Making
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.
Cutting
In Process Cutting: Trimmed to rough dimensions right on the extrusion line.
CNC Precision Cutting: Cut to exact specifications for tighter tolerances at a slightly higher cost
Scrap (to regrind)
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.
Storage
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam vel posuere nibh. Praesent pellentesque fermen tum venenatis. Aenean et accumsan libero. Vivamus et ipsum a est facilisis ornare in sit.

About Us
Since 1991, RPI has led the industry in recycling HDPE waste into high-performance industrial products. USA manufacturer based in Garfield, Minnesota.
50+ years
Experience
40,000 lbs
Daily Capacity of Finished Product
FAQs
No. 1/16 inch is the thinnest we have in stock. For large quantity orders we can make sheet as thin as .03″.
We arrange freight shipping for our customers and have daily UPS pick up.
In most cases we suggest mechanical fasteners. HDPE has good screw retention. HDPE sheet can also be dovetailed or t-slotted to make connections.
Prototyping, CNC cutting and routing, plastic welding, part assembly, thermoforming, vacuum forming. See our Fabricating and Machining page