Bonderized Steel Sheet

Bonderized steel is actually galvanized steel that has been put through a phosphate bath and has a layer of chromate applied and dried.

Bonderized steel sheet.

Galvanized steel is used for standard roof flashings gutters downspouts most every sheetmetal product. All of our galvanized is g90 astm a653. This produces the dull gray color characteristic of bonderized that provides as an excellent primer for painting applications. Bonderized steel is a favorite of the rainwater industry provides the perfect surface for field painting of flashing gutters downspouts more.

Bonderized steel or paint grip steel is galvanized steel that has been put through a phosphate bath chromate dry. Bonderized panels are created when bare metal panels are coated with a phosphate mixture originally designed to make painting the base metal easier. There is no warranty. 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.

The process produces a dull gray colored finish. 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. It is meant to be painted and it holds paint quite well and is popular in the rainwater goods industry. Bonderized is commonly referred to as paint grip.

Galvanized typically requires preparation in order to be painted bonderized aka paintlok is paint ready galvanized. The process produces a dull gray colored finish which provides for a good primer in order to be painted. We specialize in bonderized flat sheets that have a dark gray finish for use in exposed applications. Bonderized is available in metal roofing metal wall panels flats and coil.

This provides a corrosion inhibiting crystalline zinc phosphate micro porous surface that promotes adhesion of top coatings. The bonderized steel should be painted immediately after installing to prevent the phosphate coating from developing white rust. Galvanization is a zinc coating applied to steel. 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.

Material specification sheet phosphatized bonderized. Bonderized is not a paint finish. Typical uses are rain gutters downspouts roof flashings and roof valleys. Bonderized steel is galvanized steel that is processed through a phosphate bath.

In recent years architects have used bonderized for roofing and siding without applying a paint to the steel. For a more detailed description about bonderized please click here.