Donalco Inc.

Your specialists for Fireproofing, Firestopping application and HAZMAT waste removal!

Division of Inflector Environmental Services

How we can help?

We are at your service since 1960 with a robust infrastructure that can provide solutions to your projects for fireproofing (including intumescent) application, and firestopping installation. Working primarily in the Industrial, Commercial and Institutional sectors we provide quality service for small to very large projects. In addition we also provide HAZMAT waste removal that adheres to legislation regulations.

Our Services:


We specialize in the application of:

  • Industrial Pipe racks, vessel skirts, and saddles, etc.
  • Commercial, Institutional Floor framing assemblies, beams, owsj, columns (HSS and W-shapes), exterior steel walls, etc.
  • Products High, medium density cementitious, mineral fibre, exterior epoxy and concrete formed etc.


We have been applying intumescent coatings since their inception into the North American market (1989). These materials provide fire resistant ratings with a thin film paint finish to columns, beams, truss assemblies and more.


Donalco is the leader in the installation of Firestopping. We install various products to maintain fire ratings at curtain wall slab edge, top of rated walls, duct / conduit / cable tray penetrations through rated floors and walls. Our clients have come to trust us to perform high quality installations on time and on budget.

HAZMAT Waste Removal

Donalco does all types of remediation work including asbestos, mould, PCB's, lead and mercury. Our firm works closely with government agencies to ensure legislation and regulations are adhered to. Donalco has developed a large base of repeat customers that rely on us for all of their remediation requirements.