Astragals/Weatherstrip Various Pemko gasketing, astragals and astragal seals, weatherstrip, fire glazing tape and edge seals, and weatherization products Adhesive Gasketing Adjustable Astragals Brush Gasketing Door Top WeatherstripCan be used as weatherstrip/rain drips for tops of doors. Fire Glazing Locking Astragals Perimeter Gasketing Security Astragals Self-Adhesive Astragals Split Astragal SealsSplit Astragal seals are installed on the face of both doors. Split Concealed Astragals T & Overlapping Astragals Weatherization ProductsWeatherization products are commonly used to protect homes and property from damage from the elements.