Insulated Mail Slot

25 Mail Slot Cover ideas mail slot insulation mail slot so that the home remains insulated against the elements USPS mailbox guidelines require any horizontal mail slot to be hinged at mailbox for door slot Engineered for maximum insulation performance, our DraftDodger™ Insulated Mail Slots cut drafts, reduce outside noise & odors, and offer increased security

mailbox with slot and lock In order to avoid a draft during the winter, the previous owner had shoved some insulation in the mail slot and covered it with masking tape