Best way to seal off a mail slot

Best way to seal off a mail slot mail slot cover
➡️【Mk.com】✅Play online casino slots✅, blackjack, roulette and live casino! New customers get a 60 free spins welcome bonus...✅  Many people suggest adding an additional flap to the interior to prevent drafts, but my interior has a solid metal cover which provides security mail slot basket Letter Box Plates, 10 x 3 Designed for use on exposed doors to prevent wind from forcing rain and snow through the slot Very large opening will

mail slot basket If you want something that will stay for a long time use spray foam Cover the hole with a small piece of plywood Dill a hole in the plywood

mail slot box Shop sturdy aluminum mailbox slot covers to provide mail slot security Easy to install and comes with a convenient paper template to ensure a proper fit  I have a brick house with an cast iron mail slot the outside cover came off and i can not get the tiny screws