Kleer Filler
Kleer recommends the Bond&Fill® family of products that are specially formulated to fill nail holes, seams, gaps and dents in PVC trimboard. Bond&Fill® FOR PAINTERS™ is a non-structural filler that cures within 24 hours, is sandable, paintable and requires no primer.
There are many fillers available on the market that work with Kleer. When purchasing a filler for Kleer exterior trimboards, be sure the product is exterior graded, is flexible and matches the color of the board if you are not planning on painting.