Instant Underflow Dam
VJ Engineering is the Authorized Exclusive Agent of HALENHARDY for the country of Malaysia, Singapore & Brunei
Instant Underflow Dam
DAM2125: 21”H x 25’L/ DAM2825: 28”H x 25’L/ DAM3930: 39”H x 30’L
Prevent spills from spreading with the quickest way to dam up ditches and small streams. The Instant Underflow Dam installs in minutes, with only 2 or 3 people.
| DAM2125 | DAM2825 | DAM3930 | |
| Water Retention Height | 21” | 28” | 39” |
| Product Length | 25 feet | 25 feet | 30 feet |
| Product Width (Stream Bottom Skirt) |
72” | 97.5” | 158” |
| Product Weight | 37.4 lbs | 59.5 lbs | 150 lbs |
| Rolled Up Dimensions | 16”W x 16”L x 20”H | 16.5”W x 16.5”L x 25”H | 21”W x 15”L x 37”H |
| Underflow Holes | 13 | 14 | 19 |
| Carrying Case | YES | YES | YES |
Spills Spread 100 Times Faster When They Reach a Body of Water.
Traditional underflow dams are not a quick solution.
- A lot of sandbags, dirt and pipe.
- A lot of manpower or machines.
- A lot of time.
The Instant Underflow Dam:
- Installs in minutes, with only 2 or 3 people.
- Flexible material allows it to adapt to most stream and ditch bottoms.
- No special equipment needed. No filling with water or inflating with air needed. Simply unroll the dam, unfold the upstream flap and let the flow of the stream fill it.
- No anchoring needed. Just uses the weight of the water to weigh it down to the stream bottom.
- Underflow holes built into the downstream side, so that you can regulate the flow on the upstream side and keep the spill contained.
- Multiple units can be attached together to make whatever length you need.
- Wash and reuse dozens of times.