Question 1

Medium mould patches in my Ottawa basement, clean or hire?

Accepted Answer

Health Canada says you can generally clean small and medium sized areas of mould yourself. Medium means more than three patches, or patches greater than one square metre but less than three square metres. If your basement patches fit that description, a DIY clean is reasonable, but read the rest before you start.

Fixing what caused the mould comes first. Mould comes back if the moisture source stays. Before any cleaning, find where the water is entering or condensing and address that first. Onc

Question 2

Mould around the dryer vent in an Ottawa laundry room?

Accepted Answer

Mould around a dryer vent is a moisture problem first. Before anything else, find and fix the source: possibilities to check include whether the vent duct runs all the way outside, whether the exterior flap opens freely when the dryer runs, and whether condensation is collecting inside the duct or behind the wall. Cleaning the mould without fixing the airflow will bring it back.

How serious is it?

Health Canada's size bands tell you how to handle the cleanup. A small area is one to three patc

Mold Causes & Moisture

Medium mould patches in my Ottawa basement, clean or hire?

Mould around the dryer vent in an Ottawa laundry room?