MBTechnology manufactures a full line of SBS underlayment “Layfast SBS.” By modifying the asphalt with SBS rubber layfast possess an electrometric property that is not available in felt.



MBTechnology

MBTechnology manufactures a full line of SBS underlayment “Layfast SBS.” By modifying the asphalt with SBS rubber layfast possess an electrometric property that is not available in felt. It also has a higher percentage of asphalt for increased waterproofing. Layfast SBS is available in three weights: 35, 43 and 70 pounds per square. A special a fleece back surfacing makes it ideal for metal roofs. For more information, call 800-621-9281 or visitwww.mbtechnology.com.