Foundation, pyrite and pyrrhotite assessment in Brossard: 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.
Fill under the slab and drainage during storms: in Brossard, the basement examination starts with these two issues, with fill sampling as soon as the slab shows signs.
Foundation, pyrite and pyrrhotite assessment: what the inspector checks in Brossard
Not all foundation cracks are equal. A fine vertical shrinkage crack is common; a stair-step crack in a block wall, a horizontal crack or a spider-web network of cracks calls for particular attention.
In a Brossard bungalow's basement, the inspector examines the slab for pyrite-bearing fill, then checks the sump pump and the backwater valve. In lower areas, they look for signs of backups during storms.
Report, timing and booking: Foundation, pyrite and pyrrhotite assessment in Brossard
The report is delivered digitally, with annotated photos and recommendations ranked by urgency. For Brossard, booking lead times depend on the season: in spring, plan a few days ahead.
If the slab shows signs, ask for fill sampling before waiving conditions: it's the only way to assess swelling potential.




