WaterSeal Waterproofing Spray (Thompson's) – Fire Hazard (2020)
Check Your Product
According to the U.S. Consumer Product Safety Commission (CPSC)
Product
Thompson's® WaterSeal® Waterproofing Wood Protector and Masonry Protector in Aerosol Cans
Brand
The Thompson's Company, of Cleveland, Ohio
Lot Codes / Batch Numbers
Not specified in CPSC notice. Check official source for details.
UPC Codes
032053118005, 032053231001, 032053418006, 032053918001
Product Images
Source: U.S. Consumer Product Safety Commission
The Thompson's Company, of Cleveland, Ohio is recalling Thompson's® WaterSeal® Waterproofing Wood Protector and Masonry Protector in Aer. The hazard is: The contents of the cans can react with the package, causing rust to form along the can seam, which . Based on CPSC recall notice.
Summary derived from CPSC notice
Reason for Recall
As stated by CPSC
This recall involves Thompson's WaterSeal waterproofing wood and masonry protectors in aerosol cans. The products are used to coat exterior wood to prevent water damage. The aerosol cans are 11 ounces and have a green or blue cap. "Thompson's WaterSeal," "Wood Protector" or "Masonry Protector," the item number and UPC code are printed on the can. Thompson's WaterSeal Waterproofing Wood Protector Aerosol Item #: TH.041800-18 UPC: 032053418006 Thompson's WaterSeal Signature Series Aerosol Item #: TH.091800-18 UPC: 032053918001 Thompson's WaterSeal Waterproofer Plus Wood Protector Aerosol Item #: TH.011800-18 UPC: 032053118005 Thompson's WaterSeal Waterproofer Plus Masonry Protector Aerosol Item #: TH.023100-18 UPC: 032053231001
Reported concern (CPSC)
The contents of the cans can react with the package, causing rust to form along the can seam, which could spread to other areas of the can and create pinhole leaks. Leaking propellant poses a fire hazard when it comes into contact with sources of ignition. Leaking sealer can also result in property damage.
Recommended Action
Per CPSC guidance
Consumers should immediately stop using Thompson's WaterSeal Waterproofing Wood Protector and Masonry Protector in aerosol cans, discard the products in accordance with local requirements and contact The Thompson's Company for a full refund.
Verify this information on the official source
For complete details and official instructions, check the U.S. Consumer Product Safety Commission (CPSC) directly.
View official CPSC recall noticePage updated: Jan 10, 2026