Polyurethane grouting involves the injection of expanding polyurethane to fill and seal cracks and voids and re-level slabs.

Torch-applied or torch-down roof deck waterproofing typically refers to the process of adding a waterproof layer of protection to flat roof surfaces, basements, or below-the-ground areas using a flame torch.

General building repairs. Maintenance of building life-safety, and systems such as heating, ventilation, air conditioning, plumbing, electrical and lighting. Pest control. Care of trees and shrubbery, lawns, sidewalks and snow removal.

• Corrective maintenance.
• Preventive maintenance.
• Risk-based maintenance.
• Condition-based maintenance.