As of May 1st, 2020, Colorado has changed its VOC limits for Architectural Coatings to a max limit of 275 for wood stains and 350 for wood preservatives. This means that the TWP 100 Series is not allowed in Colorado anymore. The good news is you can still use the TWP 1500 Series for all your exterior wood and maintenance coatings. The TWP 1500 Series is registered as a wood preservative with a 350 VOC limit. If doing a maintenance coating over the TWP 100 Series with the TWP 1500 Series. We suggest one of these prep items
TWP VOC Limits for Architectural Coatings
VOC (Volatile organic compounds) regulations are changing rapidly across the USA and Canada. As it stands 18 US states and Canada have adopted the more stringent VOC regulations:
TWP 100 Series is classified as a wood stain and has a 550 VOC limit and is not VOC Compliant for Canada and these USA states and cannot be shipped or used there: California, Colorado, Connecticut, Rhode Island, Maine, Massachusetts, New Hampshire, Vermont, Delaware, District of Columbia, Maryland, New Jersey, New York, Northern VA, Pennsylvania, Parts of Arizona, Ohio, Illinois, Indiana, all of Canada.
TWP 1500 Series is classified as a wood preservative and has a 350 VOC limit and is compliant for all 50 States but cannot be shipped or used in Canada.
TWP 200 Series is classified as a wood stain and has a 250 VOC limit and is compliant for all 50 States and Canada.