Wipe the entire surface of the fiberglass door with a lint free rag such as a microfiber cloth saturated in mineral spirits or acetone.
Best stain for exterior fiberglass door.
The best part about staining a fiberglass door is that any screw ups can be removed with mineral spirits and a rag before the oil based stain dries.
Be sure to work the stain deep into the imitation grain pattern or any other textural detailing.
This will help achieve the best finish possible.
Start with the raised and recessed sections at the center of the door.
Stains that are transparent or semi transparent will not work on fiberglass doors.
So you can practice on a flat area before committing yourself to staining the entire door.
Slather on the stain using a 2 in 5 1 cm foam brush.
Gel stain interior or exterior clear finish mineral spirits 2 natural bristle brush 2 foam brush latex gloves clean lint free cloth for removing excess stain stir stick.
Apply a liberal amount of stain to the inner panels of the door.
Even though fiberglass is a bit more expensive it was actually more affordable than a new wood door with a storm door added.
The last thing that you need to make sure of is that the oil based stain is heavily pigmented based on the color you are painting over.
This removes dust debris and oil.
This tutorial contains finishing instructions for fiberglass doors which you can complete in four easy steps for a beautiful door every time.
Exterior stains since fiberglass doors are used for exterior use you need a.