Roof - Clean in Thornhill, ON

There are different cleaning methods depending on the source of roof discolouration - blue-green algae leaves black streaks on the roof come from blue-green algae, while moss leaves green patches on the roof. Experts recommend using a garden hose filled with chlorine and water to clean the roof.

Recommended Pros in Thornhill, ON

Recently Reviewed Thornhill Roof

Published: 01/23/2023
Hired this company out of the GTA through HomeStars. Not a lot of communication, but it was all very straightforward. They showed up when they said they would, did the work, and were happy with the results. Recommend. No frills,...
Published: 01/26/2023
First time using an eavestrough cleaning company. Great communication via text and phone but I wasn't available to be home when the work was carried out. It was early December and there had been some snow. Leaves and debris had frozen...
Published: 11/23/2022
Dan and his assistant arrived on time, did a very good job and were courteous and friendly. We will be using them again.