Hemmed Edge Sheet Metal

The term hemming has its origins in fabric making where the edge of cloth is folded back on itself and then stitched shut.

Hemmed edge sheet metal.

Hems are commonly used to reinforce an edge hide burrs and rough edges and improve appearance. In sheet metal hemming means to fold the metal back on itself. The hemmed edge wasn t completely even but looks better than a flat piece of stainless. 2020 sheet metal supply ltd.

Hems have drawbacks however. Hems can be useful as a way to stiffen a sheet metal panel. Drip edge hem no kick is the low slope perimeter edge flashing at the edge of the roof and facilitates rainwater dripping away from the structure. 847 478 9500 toll free.

Had some trouble mounting use a bigger bead of rtv silicone or other construction adhesive than you would think you need because of the hemmed edge especially if your wall isn t 100 dead on flat. This can be a serious problem because the inside of the hem is easy to wet but challenging to dry. Hemmed sheets can still have sharp corners which can be prevented with the round corner option. The hems will give the edges a finished appearance.

The hems will add a degree of rigidity to the sheet. When working with a brake press hems are always created in a two step process. These parts divert water from the surface of a wall and are specially important in flat wall services giving a building structure a long lasting life. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself.

And while hems or seams reinforce a sheet metal edge their main purpose is to improve appearance by hiding burrs and rough edges on metal back splashes and other sheet metal installations. Hemming is a metalworking process where a sheet metal edge is mechanically bent to fit an uneven surface or simply roll over onto itself. Seams are commonly used in the food industry on canned goods on amusement park cars in metal roofing and in the automotive industry. Hemming can be done on sheets up to 22 gauge stainless steel.

150 pine street grayslake il 60030. Rolling a hemmed wire edge into sheet metal this process is similar to that of breaking an edge of the sheet metal in that you re manipulating the edge of the panel to give it rigidity. Drip edge masonry flashing metal is a very important part in the construction of buildings. With plated steel parts the interior of the hem can be very difficult to cover for corrosion control.