Does Siding Under Window Trim Need To Be Painted. Go over the old window trim thoroughly with a paint scraper like hyde tools black silver 6 in 1 paint scraper because any remaining loose paint will cause the new paint to peel off. In the old days the builder would install the trim bring the siding up to it and caulk the corner. Pretty much all trim joints need to be sealed.
I had a couple of large bay windows installed fall 2010 and did not paint the pvc trim by the end of summer 2011 the trim had mildew and looked awful cleaned and used the same epoxy which was recommended by local building supply. In the old days the builder would install the trim bring the siding up to it and caulk the corner.
Mask off trim doors and windows use painter s tape and masking paper or plastic sheeting to mask off any areas you do not want to be painted including doors windows trim and hardware.
I live in ct. In the old days the builder would install the trim bring the siding up to it and caulk the corner. Any siding color gets a boost from the brightness of white trim including white siding. No azek trim products are manufactured in a matte white finish only but can.
