Techniseal NOCO Polymeric Joint Iron Gray is a “no compaction” polymeric jointing compound engineered for applications where mechanical compaction isn’t possible or ideal—especially for flagstone and natural stone installations. It flows smoothly into joints, adheres firmly, and stays flexible to withstand environmental stress over time.
- Engineered for joints between ¼" and 4" wide
- No mechanical compaction required
- High compressive strength yet retains flexibility to adapt to soil movement
- Strong adhesion to joint walls without shrinking or pulling away
- Repels weed growth and insect intrusion in joints
- Suitable for high-humidity conditions, vehicular and pedestrian traffic, and steep slope installations
- Compatible with both hard base and cement/sand base installations
- Covers up to ~120 sq. ft. per 50 lb bag for joints under ½", less coverage for wider joints
Techniseal NOCO Polymeric Joint Iron Gray gives you a durable, low-maintenance joint fill that avoids the breakage and crumbling common with traditional mortar—especially in flagstone and other difficult-to-compact surfaces. Its flexibility and strong bond make it a long-lasting option for patios, walkways, pool decks, and more!
