10/30/2026
The parts of a roof nobody sees are usually the parts doing the most work, and underlayment and flashing are exactly that.
MFM Building Products manufactures self-adhered underlayments and flashing products engineered to seal the details a shingle or metal panel alone can't cover, valleys, penetrations, and transitions. It's a name contractors trust specifically because those products only get noticed when they fail.
Ray's carries MFM Building Products underlayment and flashing. Ask our counter team what your next job needs.