You can use 220 or 240 grit sandpaper.
Painting vinyl window frames.
Sand until the surface feels rough to the touch.
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.
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.
Vinyl is not an easy surface to paint and it tends to repel liquids like paint.
Before you start painting vinyl window frames clean the windows to remove any dirt.
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.
Both may improve the appearance dramatically but doing it once is a lifetime commitment to repainting every year or two.
As a result you need to sand the window frames prior to painting them to help the paint adhere.
Before you can start painting your vinyl windows you have to prep them.
Both may improve the appearance dramatically but doing it once is a lifetime commitment to repainting every year or two.
You never want to paint a dirty window as that will trap dirt beneath the paint.
Rather than soaking in color nicely like wood or handling new paint well like fiber cement vinyl repels new paint.
It is absolutely necessary to clean all window frames so the new paint can stick to the glossy and often chalky surface.
Painting vinyl is no longer an impossible dream thanks to.
When painting vinyl windows use a primer that is made specifically for vinyl.
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.
You may want to sand the windows using 220 grit sandpaper lightly.
Risks of painting vinyl windows.
Painting vinyl window frames is very much like painting brick walls.
Primers contain a number of chemicals that can soften the vinyl and reduce its structural integrity.