R-Tech® Fanfold Roof Underlayment is a high-performance cover board consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS) with advanced polymeric laminate facers.
MFM Building Products, a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry, announced that its line of IB Underlayments have been formally approved by Miami-Dade.