Bonderized Sheet Metal

Bonderized steel is galvanized steel that is processed through a phosphate bath.

Bonderized sheet metal.

Typical uses are rain gutters downspouts roof flashings and roof valleys. This unique finish was originally designed as a base metal ready to be painted with custom colors. Galvanized steel is used for standard roof flashings gutters downspouts most every sheetmetal product. Galvanization is a zinc coating applied to steel.

Bonderized sheet and plate is a galvanized metal product that has been soaked in a phosphate bath and then put through a chromate drying process which allows the metal to accept paint. In recent years architects have used bonderized for roofing and siding without applying a paint to the steel. Typical uses are rain gutters downspouts roof flashings and roof valleys. This produces the dull gray color characteristic of bonderized that provides as an excellent primer for painting applications.

This provides a corrosion inhibiting crystalline zinc phosphate micro porous surface that promotes adhesion of top coatings. Curtis steel is the leading bonderized steel supplier in the state of texas. Bonderized is commonly referred to as paint grip. Galvanized typically requires preparation in order to be painted bonderized aka paintlok is paint ready galvanized.

Surface treatment paintgrip material is phosphatized sometimes referred to as bonderized at the mill which allows the user to paint in the as received condition. The sheet or 90 ounces per square foot on both sides of the sheet. This zinc phosphate finish is a perfect surface for painting of the fabricated material in the field. All of our galvanized is g90 astm a653.

Bonderized steel is a favorite of the rainwater industry provides the perfect surface for field painting of flashing gutters downspouts more. Available in sheet and strip. Bonderized sheet and plate should be immediately painted after installation since the exposed phosphate coating is susceptible to white rust. For a more detailed description about bonderized please click here.

It is meant to be painted and it holds paint quite well and is popular in the rainwater goods industry. Bonderized is available in metal roofing metal wall panels flats and coil. Ideal for pre engineered metal post frame and agricultural buildings western rib bonderized ribbed 7 2 exposed fastener panels offer wider coverage and it s trapezoidal design provides superior load and span capacities. Bonderized steel is popular in the rainwater goods industry.

Bonderized panels are created when bare metal panels are coated with a phosphate mixture originally designed to make painting the base metal easier.