My exterior doors and windows have broken down. They are weathered, turning grey with black marks. The colour of the previous stain is light oak. I have tried to put light oak over the top but the stains and grey areas still show through.
My exterior doors and windows have broken down. They are weathered, turning grey with black marks. The colour of the previous stain is light oak. I have tried to put light oak over the top but the stains and grey areas still show through.