PBU panel is an exposed fastener roof and wall panel used across agricultural, commercial and residential builds. View gauges and finishes.

CWP panel is a Mueller metal roof and wall panel for walls, liners and soffits. View gauges, finishes and coverage widths.

CPB panel is a Mueller metal roof and wall panel for agricultural, commercial and residential builds. View gauges, finishes and coverage.

CF panel is a concealed fastener wall panel that hides fasteners for a flat, uninterrupted face. View gauges, finishes and coverage widths.

AP panel is a Mueller metal roof and wall panel available in Galvalume and painted finishes. View gauges, coverage widths and applications.

Ideal for residential use, the Slimline® concealed fastener roof panels feature a modern and sleek profile, making them an excellent choice for those in search of a contemporary roofing solution. 

October 06, 2026

Cornerstone Building Brands, a leading manufacturer of exterior building products in North America, today announced that its Fortify Building Solutions™ business’ Slimline® concealed fastener metal roofing panel has been named among Good Housekeeping’s 2026 Home Reno Awards winners for combining durable performance and energy efficiency with a modern, low-profile design that complements contemporary and traditional homes.

Explore Mueller’s certification resources from the Texas Department of Insurance, International Accreditation Service and Florida DBPR.

Download Mueller’s Florida DBPR certification documents and drawings for metal roofing panels, wall panels and the W350 roll-up door.

Download Mueller’s International Accreditation Service (IAS) certifications for metal building systems, including MB-241, MB-242, MB-247 and MB-248.

Download Texas Department of Insurance certifications for Mueller metal roofing panels, ridge vents and steel doors, including installation-specific documents.

Pay a Mueller invoice online, review balances and manage payment details for your account.

Review financing options for a Mueller metal building or metal roofing project, including terms available through our lending partners.

Watch Mueller installation videos covering roofing, framing, roll-up doors, windows and building kits, plus product walkthroughs.