Bending Galvanized Sheet Metal Over Gable

Simple sheet metal bender using a hand roller clamps and plywood.

Bending galvanized sheet metal over gable.

Choose a bend radius that matches your minimum bend. If you have any questions or want to discuss your design contact us. Gable rake flashing is a professional trim product that covers the exposed ends of metal roofing panels resulting in a neater appearance. Frame the basic gable roof with trusses to any suitable pitch.

Install metal roofing only with a pitch of 4 12 which rises 4 inches per foot or steeper. Determine your minimum bend by measuring the distance from your closest feature i e. Gibraltar s galvanized steel gable rake flashing is applied over metal panels along the rake edge to direct rain water away from the fascia. Next put your wooden or metal form blocks in the vice and clamp your sheet of metal between the forms.

The force must exceed the material s yield strength to achieve a plastic deformation. Also known as press braking flanging die bending folding and edging this method is used to deform a material to an angular shape. 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. Unclamp the metal and gently bend it in the correct direction.

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. To bend sheet metal in a vice start by marking a line on the metal where you want to bend it. 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 is one of the most common sheet metal fabrication operations.

Move slowly to avoid breaking the metal. Abn sheet metal hand seamer 3 inch straight jaw manual metal bender tool sheet metal bending pliers flattening tool 4 5 out of 5 stars 137 27 89 27. This allows for some cold work in the bend area without causing cracking of the steel. It is not suited for flat or low slope.

Stop bending once you reach the correct angle and release it. This is done through the application of force on a workpiece.