Oil/petroleum based products are not compatible with EPDM roofing membranes. Here you can see an example of what happens when oil leaked...

If you have a self adhered modified membrane on your roof and it looks like this, you've either got problems or you soon will have. For...

Heres a fully adhered Versico TPO system in down town Denver CO. White roofs help cities reduce the urban heat island effect. #tpo #flat...