Squeeze max efficiency from your Plaster Spray job!
A Plaster bag roller is a specialist tool, designed to efficiently extract viscous materials, like plaster, and other texture coatings from flexible bags. They flatten and squeeze bags cleanly, delivering the contents with minimal waste and mess. These rollers are increasingly essential on job sites where speed, cleanliness, and material waste reduction matter.
How do plaster bag rollers work?
The process is simple: a plaster bag is fed through two compression rollers, either manually (via crank) or automatically (in powered models). As the bag is rolled, the material is pushed out and collected, usually into a hopper or directly into a spray machine's feed system.
Once the bag is passed through, it's nearly flat and fully emptied, ready for easy disposal or recycling.
How Plaster Bag Rollers and Hoppers Use Gravity to Feed Spray Machines:
When applying plaster or joint compound with high-output spray machines like the Graco Mark V or Graco APX 5200, an efficient gravity-fed loading system is essential. That’s where the plaster bag roller and hopper combo comes in!
Step-by-Step: Gravity-Feed Process
- The Hopper Sits Above the Pump Inlet
- On machines like the Mark V or APX 5200, the hopper is mounted above the intake valve of the machine.
- This design allows gravity to naturally pull material downward into the pump as it’s needed.
- The Plaster Bag Roller Feeds the Hopper
- A bag of plaster is cut open and placed into the plaster bag roller.
- As the bag passes through the rollers, the material is squeezed out and drops directly into the hopper, positioned below the roller.
- No mess.
- Gravity Does the Work
- Once in the hopper, the material flows down into the machine's intake under its own weight.
- There’s no need to push or force the material, gravity ensures a consistent supply to the pump.
- The Machine Pumps the Material to the Gun
- With a full hopper, the sprayer can continuously feed material to the spray gun, maintaining optimum coverage on the wall or ceiling.
Why This Works So Well
- Thick materials like plaster don’t flow easily from rigid containers but gravity-assisted hoppers make feeding simple and reliable.
- Plaster bag rollers ensure a consistent, clean flow of material into the hopper, without introducing air pockets or spills.
- This setup allows a single operator to quickly load and run the machine.
Benefits of a Gravity-Fed System with Plaster Bag Roller
- Faster loading times – Bag straight to hopper with no manual scooping.
- Minimal material waste – Rollers empty the full contents of the bag.
- Cleaner jobsite - No plaster splashed, or spillages from cutting bags open over the machine.
- Continuous spraying – The hopper feeds the pump steadily, without interruption.
- Ergonomic & Efficient – Reduces operator fatigue from bending or lifting heavy buckets.
Pairing with Graco Machines: Mark V & APX 5200
Plaster bag rollers are particularly effective when used with Graco’s professional-grade sprayers, especially the Graco Mark V and the Graco APX 5200.
Typical Workflow:
- Set up your Graco sprayer (Mark V or APX 5200) with its hopper or bag feed attachment.
- Position the plaster bag roller over or beside the hopper.
- Open a bag of ready-mix plaster or joint compound and insert it into the roller.
- Operate the roller, squeezing material directly into the hopper.
- The sprayer then draws material from the hopper and delivers it through the spray gun.
Why Use a Roller with These Machines?
With the Graco Mark V:
- Designed for high-volume texture and plaster spraying.
- Ideal for contractors applying multi-finish, bonding coats, or joint compounds.
- A plaster bag roller speeds up hopper refilling, minimizing downtime and manual handling.
With the Graco APX 5200:
- Purpose-built for airless plaster spraying at very high output.
- Perfect for large-scale commercial or residential plastering jobs.
- The roller ensures fast and clean bag-to-hopper transfer, keeping pace with the machine’s high throughput demands.
Ideal for Professional Plastering Workflows
Whether you’re using the Graco Mark V for interior texture or the Graco APX 5200 for high-speed plaster application, a plaster bag roller is the perfect companion. It simplifies loading, reduces waste, and helps you get more done—faster and cleaner.
Conclusion
Plaster bag rollers and gravity-fed hoppers form a simple but powerful system. The roller extracts material cleanly from the bag, drops it into the hopper, and gravity takes over, feeding the spray machine smoothly and continuously. This setup is ideal for high-efficiency workflows using machines like the Graco Mark V and Graco APX 5200.
Purchase on the website or contact our team today for more information.