Bonderized Steel Sheet

In recent years architects have used bonderized for roofing and siding without applying a paint to the steel.

Bonderized steel sheet.

This produces the dull gray color characteristic of bonderized that provides as an excellent primer for painting applications. The process produces a dull gray colored finish. Bonderized steel is actually galvanized steel that has been put through a phosphate bath and has a layer of chromate applied and dried. Galvanization is a zinc coating applied to steel.

Galvanized steel is used for standard roof flashings gutters downspouts most every sheetmetal product. Galvanized typically requires preparation in order to be painted bonderized aka paintlok is paint ready galvanized. Bonderized steel is a favorite of the rainwater industry provides the perfect surface for field painting of flashing gutters downspouts more. Bonderized sheet and plate should be immediately painted after installation since the exposed phosphate coating is susceptible.

The bonderized steel should be painted immediately after installing to prevent the phosphate coating from developing white rust. This process results in a layer of zinc on each side of the steel sheet that is tightly adhering to the steel thru the formation of an iron zinclloya bonding layer that is formed by a diffusion process while the heated steel strip is in. Bonderized steel is galvanized steel that is processed through a phosphate bath. Bonderized steel sheet plate 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.

We specialize in bonderized flat sheets that have a dark gray finish for use in exposed applications. Bonderized steel is actually galvanized g90 that has been put through a phosphate bath and has a layer of chromate applied and dried leaving it ready to accept paint. Bonderized is not a paint finish. There is no warranty.

Curtis steel is the leading bonderized steel supplier in the state of texas. Bonderized is available in metal roofing metal wall panels flats and coil. Bonderized is commonly referred to as paint grip. For a more detailed description about bonderized please click here.

All of our galvanized is g90 astm a653. Material specification sheet phosphatized bonderized. Bonderized panels are created when bare metal panels are coated with a phosphate mixture originally designed to make painting the base metal easier. This provides a corrosion inhibiting crystalline zinc phosphate micro porous surface that promotes adhesion of top coatings.

The process produces a dull gray colored finish which provides for a good primer in order to be painted. Bridger steel s bonderized is quickly becoming one of the most popular metal finished for residential commercial and agricultural projects because of its dark natural looking finish.