900mm x 12m Culvert Balloon Form

• Inflatable rubber/PVC form for creating circular culverts, drainage pipes, and concrete structures. • Designed for internal formwork, eliminating the need for permanent rigid molds. • Typical specifications: 900 mm diameter, 12 meters length, heavy-duty reinforced rubber/PVC material. • Inflated using a standard air pump or compressor. • Reusable when properly handled and maintained, offering cost-effectiveness. • Suitable for reinforced concrete culverts and drainage projects. • Provides a smooth internal surface for concrete pours.