With Products and services for your Fire-proofing needs, we have a variety of coatings and saturants to ensure the highest quality of flame resistance. WT-103 is a Class B interior, intumescent, latex, clear, flat coating. Non-hazardous, non-toxic, non-carcinogenic formulation. Application over wood, fiberboard, plasterboard, cardboard, foliage and other decorative surfaces. This product works on many types of surfaces that require a clear, flat flame-retardant coating.