Duratruss TrussCover 2,5m B1 White; Truss cover; Flame retardant, temporary B1 impregnation; Ideal as a decorative product to make trusses "glow" optically; Truss cover made of stretch material polyester, elastane; Only suitable for square trusses (30 x 30 cm). Only touch with clean hands or with gloves. The material loses its fire protection through moisture, such as washing or rain, and must be re-impregnated. Color: white, truss not included;