What’s the difference between Superflex roofing and EPDM Rubber Roof? Here’s some major benefits to switching over to Superflex roofing. *Lightweight – get better gas mileage (.165lbs/sq ft. compared to EPDM at .29 lbs/sq ft.) *Does not chalk (won’t turn side of unit gray) *Stronger – won’t puncture as easily like EPDM *Can be easily repaired *Stretches easier so you can get a perfect tight fit *Better traction with a non-skid surface *Color is same throughout substrate *Will not shrink or crack (100% solids sealant) *.028 Thick