Duct Seal Usage Rating Outdoors or in Vehicles.

The temperature usage range for Duct Seal is 25 to 120 degrees F and it has a tolerance range of -30 to 175 degrees F. This means the Duct Seal should be applied between 25 to 120 degrees F. Duct Seal is used and designed primarily to plug holes around conduit mostly inside buildings but is also used outside on service entries. There is a tendency to dry on the surface when exposed to weather. There is material in these locations that are dry but still maintain a seal after 20 years. As far as use in vehicles, there shouldn’t be a problem unless the vibration causes the material to not adhere to the surface.

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