Consumer product recall

Thompson's® WaterSeal® Waterproofing Wood Protector recalled due to potential leakage and fire hazard

Starting date:
January 14, 2020
Posting date:
January 14, 2020
Type of communication:
Consumer Product Recall
Source of recall:
Health Canada
Product Safety
General Public
Identification number:

Last updated: 2020-01-14


  • Product:
    Thompson's® WaterSeal® Waterproofing Wood Protector.
  • Issue:
    Contents of can may react with the package, causing potential leakage. Leaking aerosol propellant from cans that are improperly stored near sources of ignition pose a potential fire hazard.
  • What to do:
    Consumers should immediately stop using the product. Customers should go to for further follow up on the recall.

Affected products

Thompson's® WaterSeal® Waterproofing Wood Protector

Product description

This voluntary recall involves Thompson's® WaterSeal® Aerosol Waterproofing Wood Protector.

The product is a clear aerosol waterproofing spray that provides outdoor wood protection recommended for small exterior wood projects. The product is in an aerosol can with a green label and cap.

The product information for Canadian cans are as follows:

SKU: THC041800-18

UPC: 067166418001


Hazard identified

Over time, the contents of the cans may react with the package, causing rust to form along the can seam, which could spread to other areas of the can. If enough time elapses, pinhole leaks may manifest in the wall of the can, particularly along the seam of the packaging, exposing the contents of the can to the environment. If leaking aerosol cans are improperly stored near sources of ignition, a potential fire hazard exists. Property damage from leaking liquid sealer could occur.

As of December 24, 2019, the company has received no reports of incidents or injuries in Canada.

Number sold

Approximately 22,860 units of the affected product were sold in Canada.

Time period sold

The affected products were sold from 2016 to 2019.

Place of origin

Manufactured in the United States of America.



The Thompson's Company




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What you should do

Consumers should immediately stop using the product. Customers should go to go to where further information will be provided, and thereafter dispose of the Product in accordance with all local requirements.

Please note that the Canada Consumer Product Safety Act prohibits recalled products that pose a danger to human health or safety from being redistributed, sold or even given away in Canada.

Health Canada would like to remind Canadians to report any health or safety incidents or concerns related to the use of this product or any other consumer product or cosmetic by filling out the Consumer Product Incident Report Form.

This recall is also posted on the OECD Global Portal on Product Recalls website. You can visit this site for more information on other international consumer product recalls.