Mine Ventilation Air Sealant
Silent Seal® Mine Ventilation Air Sealant low pressure spray polyurethan foam is a chemically cured,
two-component foam system designed for use in mining applications.
This replaces mortar as the material for sealing and installing mine shaft stoppings
ventilation control devices. This product expands quickly and fills, seals, coats
and sound dampens areas above and underground.
Silent Seal NA requires no outside mechanical or electrical power source and is
disposable. When properly applied, the sealant will create a seamless, continuous seal
to insulate and protect against dust, air infiltration, etc.