ChemTech limited warranty.

Conditions and exclusions apply. The written warranty covers treatment marketed as TW2200, TW 3300, and TW 4400.

This warranty is extended to the first owner after the original builder/general contractor purchases the material and is non-transferrable.
The Warranty Period begins on the date of purchase.
Claims need written notice within thirty (30) days of the failed treated component, sent by certified mail, return receipt requested, to Chemical Technologies Holdings, Corp., 7397 Commercial Circle, Suite 1, Ft. Pierce, FL 34951, Attention Warranty Claims.

Read the full warranty ↗

What we warranty

4 months

Covered, elevated jobsite storage

CTH will warrant the treatment of wood components delivered and stored at construction sites for (4) four months, subject to the treated wood being stored off the ground, covered in its protective cover and safeguarded from accumulation of snow or standing water or water runoff.

Up to 6 months

Unprotected vertical framing

CTH warrants the treatment of wood components of a covered structure for up to six (6) months in an unprotected vertical framed state, subject to proper documentation indicating completion of structure exterior wrapping or dry-in process.

5 years

Mold, on the cured film surface only

The CTH Wood Treated Component is warranted to inhibit mold fungus growth/mycotoxin production on the cured surface of the film for 5 years.

10 years

Decay and wood-ingesting insects

The CTH Wood Treated Component is warranted against wood-rot fungi decay and wood ingesting insects (including subterranean or Formosan termites) or carpenter ants, due to the failure of CTH WoodSurfaceFilm™ treatment while owned for 10 years. Such failure must render the CTH Wood Treated Component incapable of performing its intended purpose. This Limited Warranty applies only to CTH Wood Treated Component(s), as defined above, incorporated into covered, (interior) residential and non-residential, structure construction.

Up to 20 yearsTW4400 only

Specified ASTM E84 Class A flame spread

CTH warrants for a period of up to 20 years that Spruce, Southern Yellow Pine and Douglass Fir dimensional lumber, when treated with TW4400, will meet or exceed relevant ASTM Standards (E-84) with a Class A flame spread rating as required by the International Building Code and International Residential Code. CTH treated products are not warranted in any way against destruction from fire.

Conditions and exclusions apply. The May, 2021 Final ChemTech limited warranty is the full text. Open the warranty PDF