CRL No-Draft Mail Slot

Through the Door Drop Box, x x 6 Mail Slots for Doors, Adjustable Chute Door Mail Slot with Code Lock, Suitable for Door Thickness ” to ”

mail slot so that the home remains insulated against the elements USPS mailbox guidelines require any horizontal mail slot to be hinged at

mail slot cover interior I used foam weatherstrip tape with the adhesive backing It's not fully airtight, but much better than previously, and the mail slot still

mail slot through wall - Insulating rubber seal cuts drafts - Internal brush strip for privacy and added insulation