Custom Plastics Manufacturing
Custom manufacturing, repairs and sales of industrial plastics.
Yes we weld plastic!

Custom Egress and Non-Egress Covers
These covers are made out of
Clear UV Protected Poly Carbonate Plastic.
They are almost unbreakable and built for beauty, safety, and protection from the elements.
Products and Services

Egress Window Covers
The first question: How much???
The second: How strong???
Egress windows come in many shapes and sizes, so we offer free estimates.A cover measuring 32”L x 42”W x 12”H, installed, which includes cleaning of thewindow and window well, runs approximately $300.00.Ladders are $100.00 eachWe do give discounts for multiple windows or for groups / subdivisions, etc.The covers are rated to hold up approximately 150 pounds.The material is guaranteed for 5 years against discoloration and sun fading.
Any questions use the form below to contact us.

Industrial Plastic Welding &
Repairs
With our plastic welding processes of air, injection, extrusion, and reinforcement. Combined with TIG, MIG, and Stick metal welding we can offer our customers any number of repairs on plastics and metal fabricated products.
Any questions use the form below to contact us.

Custom Tanks
All MAP Tanks are designed with a 4 to 12 compartment baffle system. All tanks are made of High Molecular Weight Polyethylene (HMPE) the same plastic used for automotive fuel tanks, fire tanks, and spray tanks. HMPE handles environmental stress, is crack resistant, and has high impact strength and toughness even at very low temperatures. In addition the product has easier machine and work-versatility.
Any questions use the form below to contact us.
Contact us
Telephone: +1 406 252-1400
E-mail: Info@montanaagplastics.com
Address: 5756 Stearns Circle, Billings, MT 59101
Gallery
Here are some pictures of the products and repairs we offer in the context of Repair and Manufacturing. Our extensive range includes everything from high-quality components to specialized repairs, showcasing our commitment to excellence in service and craftsmanship. Browse through our gallery to see the precision and care we put into every project, ensuring your manufacturing needs are met with the highest standards.

CNC Machine Services
When it comes to CNC cutting, our expertise can help streamline your projects and bring your visions to life with precision and efficiency. By utilizing advanced technology and skilled craftsmanship, we ensure that every cut is exact, saving you both time and materials. Whether you have intricate designs or large-scale productions, our dedicated team is ready to collaborate with you to reduce costs and enhance quality. Let us be your partner in achieving outstanding results for all your cutting needs! CLick on Learn more to contact us about your cutting needs.
Unlocking Precision: What is CNC?
At Montana Ag Plastics, we harness the power of CNC, or Computer Numerical Control, technology to reshape the future of plastic fabrication. CNC is a modern manufacturing process that utilizes computer software to control machine tools, allowing for unmatched precision and efficiency in producing complex shapes and parts. Whether for agricultural applications, industrial components, or custom designs, our CNC capabilities enable us to meet diverse client needs with remarkable accuracy.
This advanced technology not only enhances our production speed but also significantly reduces material waste, making our operations more sustainable. With CNC, we can offer customized solutions tailored to your specifications, ensuring high-quality outcomes every time. Explore how CNC technology at Montana Ag Plastics redefines what is possible in plastic and wood fabrication and delivers excellence in every project.
For all you carpenters and contractors we can create high-quality cabinetry, cabinet doors, and intricate molding that meet the demands of both aesthetics and functionality.








