You can use 220 or 240 grit sandpaper.
Painting vinyl window frames.
Also there is controversy that if you paint vinyl window frames a color darker than they already are solar heat will heat up the windows and warp the frames.
Painting vinyl is no longer an impossible dream thanks to.
Painting vinyl window frames is very much like painting brick walls.
Both may improve the appearance dramatically but doing it once is a lifetime commitment to repainting every year or two.
Vinyl window frames are more durable and show less wear than wooden frames but they don t come in as many colors as you might want.
Aside from the flaking and peeling risks already mentioned mentioned in the section above you risk damaging your window frames and voiding your warranty if you do use many of the primers available on the market today.
Roughing up the frame encourages the primer to bond with the vinyl frames.
Primers contain a number of chemicals that can soften the vinyl and reduce its structural integrity.
Both may improve the appearance dramatically but doing it once is a lifetime commitment to repainting every year or two.
Vinyl window frames don t hold paint well vinyl s sleek surface is designed to look good upon installation but that same shiny surface makes it extremely resistant to paint.
You never want to paint a dirty window as that will trap dirt beneath the paint.
As a result you need to sand the window frames prior to painting them to help the paint adhere.
Be sure to read the paint can talk to the paint store manager and a professional painter before buying too dark of a vinyl safe paint.
Sand until the surface feels rough to the touch.
The problem with painting vinyl window frames is that paint doesn t adhere as well to vinyl window frames.
Rather than soaking in color nicely like wood or handling new paint well like fiber cement vinyl repels new paint.
Before you start painting vinyl window frames clean the windows to remove any dirt.
Before you can start painting your vinyl windows you have to prep them.
Vinyl is not an easy surface to paint and it tends to repel liquids like paint.
It is absolutely necessary to clean all window frames so the new paint can stick to the glossy and often chalky surface.