Roof Metal Latex Over Oil Primer

Be sure to wash away any dust caused by the sanding and allow the area to dry before adding your paint.

Roof metal latex over oil primer.

Read the label to make sure the latex primer is treated for exterior use on metal. Rusty metal primer helps stops rust and prevent corrosion when applied to heavily rusted metal. Using a brush roller or paint sprayer apply at least two coats of a high quality water based latex or acrylic paint e g. Make sure to apply a thin coat of primer and allow it to dry thoroughly before you paint.

Use 150 grit sandpaper to thoroughly sand the surface image 1. You may have to lightly sand the primer over smooth wood surfaces with 180 grit sandpaper to provide an easier bonding surface. Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. Prepainted metallic surfaces can be treated almost like any other basic latex or oil painted surface.

Follow with 220 grit sandpaper to sand the door nice and smooth image 2. Oil based primer is the best choice but certain types of latex primer can also be used. With the right preparation using latex paint on an oil base will give you exceptional results with a very strong lasting painted surface. Clean all the dust off door.

Oil paint is however vulnerable to cracking or chipping and it also tends to fade over time so consider a product with built in fade protection such as rust oleum hammered metal finish 12. Placing latex over the oil primer. This primer features a unique fish oil based formula that penetrates rust to bare metal and bonds tightly to rust to form a surface to which most top coats can adhere. Oil based alkyd paint may also be used with an appropriate galvanized metal primer.

Metal surfaces require specialized primer and paint for good paint adhesion. However if you want to paint over prepainted metal you re in luck. Oil based primers take at least eight hours to dry. Apply at least two coats of water based paint over oil based paint.

Surfaces such as metal and raw wood require at least one coat of primer before you paint them. To apply latex over oil based paint clean the door thoroughly. A tin roof is no different. A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.

You can also use oil based alkyd paint but. When using latex paint over an oil based primer it is important to note that if you apply it directly without preparing the surface the latex paint is likely to crack and not stick properly.