Foundation, pyrite and pyrrhotite assessment in Gatineau: what matters here
This area is part of the region where pyrite-bearing fill has been documented under slabs. A heaved or star-cracked slab should lead to fill sampling.
Sensitive clays, pyrite-bearing fill and floods: in Gatineau, nearly every major issue lies below ground. The slab, drain, backwater valve and water history are checked at every inspection.
Foundation, pyrite and pyrrhotite assessment: what the inspector checks in Gatineau
Lab analyses take time. For a house exposed to pyrite or pyrrhotite, that delay must be built into the offer to purchase, and the mortgage broker benefits from knowing early.
The inspector examines the slab for pyrite-bearing fill, looks for cracks tied to sensitive clays and checks the backwater valve. Near the rivers, they note the height of equipment and traces of the 2017 and 2019 floods.
Report, timing and booking: Foundation, pyrite and pyrrhotite assessment in Gatineau
The report is delivered digitally, with annotated photos and recommendations ranked by urgency. For Gatineau, booking lead times depend on the season: in spring, plan a few days ahead.
Dry summers are when clay-related settlement shows most: a crack that opens in August deserves monitoring.




