Johns Manville
Dibiten modified bitumen membrane is reinforced with a nonwoven polyester mat. Membranes are available in a wide range of colors and only surfaced with slate. Poly/4.5 Slate model is made with imported slate flakes. Available in thicknesses of 4, 4.5, and 5 mm. All models are applied by heat welding. Can be matched to existing shingle or cap sheet roofs.