37+ Sill Seal Pictures. The best sill seal we have used by far are the epdm gaskets from conservation technologies. Custom cut widths are available upon request.
Easy to use parts catalog.
Sill sealer is a must have if you are trying to replace a window. I tacked the vinyl in place with brads, and then fastened the cap piece to the oak sill with brass screws. Do i really need to fill those gaps with something substantial before sealing, or can i just seal them with. I'm planning to seal any gaps between the sill plate and foundation (and maybe insulate as well).