
The Graco GH-4 spray foam insulation machine brings serious capability to your insulation projects. Whether you’re tackling residential rim joists or large commercial systems, this machine provides the performance, durability, and precision you need to achieve professional results every time.
Power That Keeps Pace on the Job
When you’re working with a high-output spray foam insulation machine like the GH-4, you can move faster and meet demanding project schedules. Built on Graco’s proven hydraulic platform, the GH-4 delivers the dependable power contractors expect.
Key highlights include:
- Output rates of approximately 30–40 lb per minute for medium-to-high production work
- Maximum operating temperatures up to 190°F for optimal material consistency
- Spray pressures up to 2,000 psi for smooth, even application
- Hydraulic power design for longer run times and reduced overheating
With this kind of power, the GH-4 helps you complete large areas efficiently and keeps your workflow consistent from start to finish.
Precision Controls for Consistent Results
Power means little without precision, and the GH-4 spray foam insulation machine offers both. Its refined controls are designed to help operators maintain perfect ratios and achieve uniform spray patterns.
Features include:
- Cycle counter for tracking material usage and cost control
- Pressure monitor to maintain accurate differential and mix ratio
- Independent temperature control for chemical and hose zones
These controls ensure each job meets specifications for thickness, adhesion, and overall foam quality—critical for professional, long-lasting results.
Durability and Easy Maintenance
Built for reliability, the GH-4 spray foam insulation machine minimizes downtime through smart design and straightforward serviceability.
Advantages include:
- Simplified electrical layout for easier troubleshooting
- Standard components and accessible design for quick repairs
- Heavy-duty construction for years of dependable use
By reducing the time and cost of maintenance, the GH-4 keeps your operations running smoothly day after day.
Versatility for Multiple Applications
From residential attics and crawlspaces to commercial roofs and walls, the GH-4 adapts to nearly any job. Its high-output capability makes it suitable for large-scale spray foam insulation projects and even specialized applications like concrete lifting.
Contractors who choose this spray foam insulation machine can expand their service range and tackle more challenging projects without upgrading equipment.
Partner with Spray Foam Systems
Purchasing the GH-4 through Spray Foam Systems means more than just getting equipment. You’ll gain access to a knowledgeable support team, parts availability, and optional training programs to help your team get the most out of your investment.
With years of experience serving contractors across the country, Spray Foam Systems ensures every machine we sell is ready for real-world performance.
FAQs
Q1: What is the output capacity of the GH-4 spray foam insulation machine?
The GH-4 can produce between 30 and 45 pounds per minute depending on your setup, materials, and environmental conditions.
Q2: Can the GH-4 handle commercial projects?
Yes. The GH-4 spray foam insulation machine is built for medium-to-high output applications, making it ideal for commercial walls, roofing, and large residential insulation jobs.
Q3: How easy is it to service the GH-4?
Maintenance is simple thanks to its straightforward wiring, accessible components, and rugged hydraulic design. This makes routine servicing fast and efficient, reducing costly downtime.
About Spray Foam Systems
Spray Foam Systems is the #1 spray foam rig builder and spray foam equipment supplier in the United States. Family-owned and proudly serving the industry since 2007, we operate from a 7-acre campus with over 80,000 square feet of dedicated working space in Greensboro, GA. With over 10,000 customers served over the last 18 years, we specialize in delivering high-quality turnkey spray foam systems, distributing top-tier equipment and supplies, and providing nationwide service and training to help contractors grow and succeed in the spray foam insulation and roofing markets.