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HD4000 + Rock Glue Max
Professional Results. Made Simple.
From greener lawns and healthier grass to stabilized rock and protected mulch beds, the Petra lineup delivers powerful outdoor solutions built to make every yard project faster, easier, and longer-lasting.
ROCK GLUE MAX
Professional landscape adhesive formulated to help stabilize decorative rock and gravel surfaces, reducing movement caused by weather, runoff, and everyday traffic.
Stabilizes Rock & Gravel
Helps Reduce Washout
Easy Spray Application
Long-Lasting Hold
WHY PICK ROCK GLUE MAX
Helps keep decorative stone in place
Reduces rock migration and scatter
Improves landscape appearance
Ideal for pathways and rock beds
Minimizes ongoing maintenance
Pro Series Available
HD4000 BACKPACK SPRAYER
Professional battery-powered backpack sprayer built for efficient application across larger landscape projects with consistent pressure and reliable coverage.
Battery-Powered Operation
Large Capacity Tank
Adjustable Pressure Control
Comfortable Backpack Design
HD4000 ADVANTAGES
Covers large areas efficiently
Fewer refill interruptions
No manual pumping required
Consistent spray performance
Comfortable extended use
Professional-grade application
HOW HE'LL USE IT THIS WEEKEND
01
PREP THE ROCK SURFACE
Level decorative stone or gravel and remove leaves, debris, or loose material before application.
02
FILL THE HD4000
Add Rock Glue Max according to label directions and prepare the sprayer for use.
03
APPLY EVEN COVERAGE
Spray a uniform coat across the rock surface using steady, overlapping passes for complete coverage.
04
ENJOY A MORE STABLE LANDSCAPE
Allow the application to cure and enjoy decorative stone areas that stay cleaner, more organized, and better protected from displacement.
EVERY CONCERN ANSWERED
What comes in my Father's Day bundle?
Each bundle includes a PetraTools sprayer paired with a premium PetraMax product. The exact contents are listed on the product page before checkout.
Is this bundle suitable for beginners?
Yes. Whether you're maintaining a lawn, landscape, rock bed, or mulch area, our sprayers are designed for easy setup and application.
Can I use the sprayer for other PetraMax products later?
Absolutely. Your sprayer can be cleaned and reused with a variety of compatible PetraMax lawn and landscape solutions.
Is this a limited-time Father's Day offer?
Yes. These exclusive bundle savings are part of our Father's Day promotion and are available while supplies last.
What if I need help using my products?
Our U.S.-based customer support team is here to help with setup, application guidance, and any questions about your bundle.