Heavy Duty Inflatable Fireplace Draft Stopper Plugs Under Masonry Damper Up To 38X16 Blocks Bitter Cold And Drafts Real Deal Energy Saver Quick Setup Heat Lock

Block cold air leaking through brick fireplace dampers now
✔️ Polyurethane 18x38in rectangular damper plug installs clean

This single inflatable plug wedges beneath your chimney flue to trap warm air inside. Perfect for winterizing houses, cottages, or any brick setup that wastes energy when sitting dark.

✅ Tough polyurethane material stretches to fit various openings ✅ Measures 18 by 38 inches so it covers larger chimney gaps ✅ Matching pole lets you lower it straight past the hinge area ✅ Keeps down wind, bug entry sounds, and lingering smoke odors

💡 What stops unwanted airflow when a residential masonry chimney stays closed?

A proper seal works best when you choose inflatable insulation. - A quick poly sleeve locks heated air inside while blocking outside breezes - Handy telescoping handle lowers the cushion down behind metal hinges without scuffing walls - Cuts monthly gas bills by stopping cold blasts from sneaking back up the flue ✝️