7. Read blueprints and specifications to determine job requirements. Review blueprints or specifications to determine work requirements.

. Select appropriate insulation, such as fiberglass, Styrofoam, or cork, based on the heat retaining or excluding characteristics of the material. Select construction materials.

9. Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement, or asphalt mastic. Install insulation in equipment or structures. Apply sealants or other protective coating

10. Prepare surfaces for insulation application by brushing or spreading on adhesives, cement, or asphalt, or by attaching metal pins to surfaces. Prepare surfaces for finishing. Apply adhesives to construction materials

11. Distribute insulating materials evenly into small spaces within floors, ceilings, or walls, using blowers and hose attachments or cement mortar. Install insulation in equipment or structures.

12. Move controls, buttons, or levers to start blowers, and to regulate flow of materials through nozzles. Install insulation in equipment or structures.

13. Fill blower hoppers with insulating materials. Load materials into construction equipment.