Drafty mail slot

Door mail slots - mail slot insulation How much space do you have between the outer flap and the retaining ring on your mail slot? We'll need to determine which types of insulation might be feasible mail slot through wall This premium quality, weather-resistant aluminum Draft Dodger mail slot comes with an insulating rubber seal that blocks drafts and an interior brush

mailbox slot for door 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