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Lee Supply Company


Line Card
Line Card (PDF)

Pennsylvania Office
(724)-483-0577 (Fax)

305 1st Street
P. O. Box 35
Charleroi, PA 15022

Emergency Number:
After 5:00 PM evenings & weekends

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Mine Ventilation


FRP – Vent Tubing

Fiberglass Reinforced Plastic duct products, used for exhaust and process-related ductwork systems, for use in mining.

Lightweight Block

Also known as “autoclaved aerated concrete” (AAC) or porous concrete, these offer lightweight building material with fire and mold resistance.

Overcast Materials

These components come in various sizes from three feet to over ten feet in height, and up to 15 feet possible, for use in mine-specific ventilation requirements.

Block Mortar

Mine block mortar provides an air-sealing adhesive bond between concrete blocks in underground coal mine ventilation stoppings.

Block Coating

Often used to damp-proof brick, block, stone, and poured-in concrete, applications in mining ventilation involves a skim coat to protect surfaces and add a seal to provide added fire resistance and cushion against cracking.

Man/Airlock Doors

These offer safety and reliability, sealing tightly for ventilation control, consisting of a pre-assembled frame and door set, made with solid-built, ten-gauge tubular steel frames, and 14-gauge door panels that offer resistance to convergence and heaving.

Convenience Products – Touch’n Seal® Mine Foam Rib and Roof Sealant

Flame-retardant formula for use in mines does not require any special breathing apparatus to apply. Helps reduce air and moisture, developed for use in underground coal mines.