How To Prevent Oil Canning On Metal Roof
Oil canning is the visible waviness in the flat areas of a metal roof or wall panel or architectural metal flashing.
How to prevent oil canning on metal roof. Sometimes sheets of metal are not perfect when they come off the production line and somehow get through quality control anyway. During manufacturing oil canning can be prevented through using a panel profile that is 16 inches for a standing seam panel which is industry standard. We generally don t have a problem with oil canning unless the clients have changed some of what we suggest doing for their roof. The color of the metal or coating won t really make a.
Setting clips in the proper location for edge metal and metal panels roof and wall is critical. If metal roofing is improperly installed oil canning is likely. Choose a thick metal. Backer rods installed behind the panels will help eliminate oil canning by providing a slight upward pressure to each panel.
Designing a low slope metal roof also hides evidence of dents and rippling as does the selection of ribbed or striated panels over flat panels. This is usually because the pieces were not correctly attached to the underlayment on the roof. Sometimes oil canning is inevitable. Edge handling to avoid buckling prevents oil canning.
Beartooth metal prevents oil canning. Go for thicker higher quality material if you want to lessen the chances of oil canning avoid 26 or 29 gauge products and select a heavier weight 24 gauge material. Carrying of panels in the flat or twisting of the panels during lifting can induce a wavy appearance to a previously flat panel. Twisting can occur if one corner of the cladding panel is used to lift the panel or to remove the panel from a bundle.
Tips to help prevent oil canning place clips correctly. Oil canning can also be the result of a manufacturer error. Consider the roof color. These are the best ways to have a nice and flat roof.
The metal roofing company should also avoid over driving the fasteners since this can cause waviness.