H & F Manufacturing Corp. is a leader in the manufacture of plastic building materials. Since 1973, H & F has brought to the industry, the most advanced PVC, "Phase-2", and Polycarbonate, "Unitrex", Siding, Roofing, and Louver Panels.

Phase-2 PVC offers the broadest range of chemical resistance, Factory Mutual Research Approval, a non-combustible flame spread rating of 12, excellent UV resistance, and a wide range of thicknesses, corrugations, widths, lengths, and colors including our light transmitting clear.

Unitrex Polycarbonate also offers the broadest range of durability, impact resistance, a non-combustible flame spread rating of 6, corrosion resistance, UV resistance, and light transmission including our new Solar Control (20% light transmission).