New frontiers in slot insulation material

BOTA - Block Out The Air - Mail Slot Insulator - Installation mail slot insulation Twin Slots · Furniture · Furniture Ranges · Dining Room Furniture · Chairs · Sofas and Insulation · Cladding · Coving & Adhesives · Ceiling Roses · Sand & mailslot or mail slot The CRL No-Draft Mail Slot has two door flaps, both spring-loaded and weather-stripped, as well as an internal brush strip for greater insulation and privacy

mail slot hood Engineered for maximum insulation performance, our DraftDodger™ Insulated Mail Slots cut drafts, reduce outside noise & odors, and offer increased security