Bending Galvanized Sheet Metal Over Gable

Determine your minimum bend by measuring the distance from your closest feature i e.

Bending galvanized sheet metal over gable.

This allows for some cold work in the bend area without causing cracking of the steel. Install metal roofing only with a pitch of 4 12 which rises 4 inches per foot or steeper. Simple sheet metal bender using a hand roller clamps and plywood. Astm a 143 recommends the minimum bend radius for any part that will be hot dip galvanized after bending be at least three times the material s thickness.

Bending after hot dip galvanizing is sometimes necessary if the parts do not fit into their intended spot. This is done through the application of force on a workpiece. A cutout or the edge of your flange to your bend. If your sheet metal is long ask a friend to stabilize the part hanging out from the form blocks so it doesn t affect the bend.

Also known as press braking flanging die bending folding and edging this method is used to deform a material to an angular shape. Bending is one of the most common sheet metal fabrication operations. Unclamp the metal and gently bend it in the correct direction. Frame the basic gable roof with trusses to any suitable pitch.

Gable rake flashing is a professional trim product that covers the exposed ends of metal roofing panels resulting in a neater appearance. It is not suited for flat or low slope. Choose a bend radius that matches your minimum bend. Gibraltar s galvanized steel gable rake flashing is applied over metal panels along the rake edge to direct rain water away from the fascia.

If you have any questions or want to discuss your design contact us. Move slowly to avoid breaking the metal. Stop bending once you reach the correct angle and release it. The force must exceed the material s yield strength to achieve a plastic deformation.

When galvanized steel is bent after the coating has formed there is no issue with cold work but there can be an issue with the coating cracking. To bend sheet metal in a vice start by marking a line on the metal where you want to bend it.