Sealflex makes a butyl gasket tape which assures airtight joints. Used in the assembly of heating and ventilation systems, it bonds immediately to the mating flanges and laps in ductwork without slippage or movement. Safe, clean and reliable, it is quick to use and meets HVCA DW 142 A-D requirements.
| Recommended Tape Grade | |
| Standard and longest running product | |
| 30 minute rated, fire retardant tape | |