900mm by 9 Metres Culvert Balloons

✓Culvert balloons, also known as pneumatic tubular formwork, are inflatable rubber structures used in culvert construction and other concrete forming applications. ✓ They act as a reusable mold, allowing for the creation of various concrete shapes, such as circular, oval, or even vaulted culverts. ✓These balloons offer advantages in terms of material savings, ease of use, and flexibility in creating different culvert profiles.