Lippert™ is now the exclusive distributor of all Alpha Systems, LLC products. Today’s RVs demand better, more flexible roofing membranes for their complex designs. Which means you need a product you can trust to get the job done right. Alpha Systems SuperFlex roofing membranes are highly stretchable and conform to the contours of RV while staying clean, dust-free, and chalk-free. Plus, our quality roof membrane stays resistant to mold, algae, and fungus, and has excellent UV protection for a long, color-lasting life span.