Project Details
The scope of work included:
- Removal of existing asphalt shingles, underlayment, and metal flashings.
- Inspection of the existing roof structure and replacement of deteriorated roof sheathing boards as required.
- Installation of plywood substrate over existing roof sheathing to create a continuous roof deck.
- Installation of vapour-permeable underlay membrane and new asphalt roofing shingles in accordance with CSA A123.51 standards.
- Installation of new metal flashings at roof edges, valleys, and penetrations to improve weather protection and durability.
- Upgrade of roof insulation with stone wool insulation (R50) to improve thermal performance.
- Installation of new vapour barrier and air barrier systems within the roof assembly for moisture and air control.
- Complete removal and replacement of the interior heritage ceiling in the main hall due to water damage from roof leaks.
- Restoration and repainting of interior areas affected by water infiltration.
- Repainting of the wood canopy ceiling and coordination with existing roof drainage systems.
- Work completed in an active GO Station environment with staging, public protection, and coordination with Metrolinx operations while preserving heritage building elements.
