Supplies insulation materials – selling products such as:
- Fiberglass insulation
- Rockwool (mineral wool)
- Spray foam insulation
- Cellulose insulation
- boards
- Acoustic insulation materials

Provides installation services – professionally installing those insulation materials in:
- Homes
- Offices - Commercial buildings
- Factories and warehouses
- Roofs, walls, floors, ceilings, and pipes

The goal of insulation is to reduce heat transfer, improve energy efficiency, lower heating/cooling costs, and sometimes provide soundproofing. Professional installation is important because insulation performance depends heavily on proper fitting and sealing.