The Stemlock® Gas Bag is an industry-proven self-inflating borehole plug engineered to quickly and reliably seal drill holes at virtually any depth without the need for compressors or external inflation equipment. Designed for blasting professionals and contractors, this rugged plug delivers safe, efficient performance for a wide range of blasting applications.
Key Features:
Chemical Self-Inflation: Activates through a controlled chemical reaction — no stored pressure or compressor required, resulting in safer handling and transport.
Versatile Fit: Available in multiple sizes to effectively seal holes from 3″ up to 16″ in diameter (and beyond depending on configuration).
Reliable Seal: Once deployed, the Gas Bag expands to form a tight, dependable plug that prevents gas and material escape.
Clean & User-Friendly: Inflates without heat, leakage, or hazardous by-products — ingredients are non-carcinogenic.
Why Choose Stemlock® Gas Bags?
Whether you’re conducting air deck blasting, presplitting, sealing water-filled holes, or containing air blast and vibration, Gas Bags help improve blasting efficiency and reduce overall explosive consumption — often translating to measurable cost savings on your project.
How It Works:
Simply position the Gas Bag at the desired depth, activate the inflation trigger, and the bag expands to create a positive seal. With fast deployment and no special tools required, it’s ideal for crews seeking dependable performance under demanding field conditions.