What is an Astragal seal?
Attached to the meeting edge of single or double doors, astragals are vertical components designed to seal off gaps that leak air, water, noise, light, and debris. They can also function to detain gases, smoke, or flames in the event of a fire. Last, astragals can increase the security of door locks and strikes.
What is magnetic weatherstripping?
Magnetic gasketing provides an effective perimeter seal around a steel faced door. The magnetic strip is encased in a UV-stable TPE cover.
What is an adjustable Astragal?
Astragals are often rigid pieces of metal that are installed on the edge of one door in a pair. By using adjustable astragals you can tighten or loosen the seals along the height of the gasketing. …

What is an Astragal on a double door?
Double doors often require a hardware device known as an “astragal.” The astragal helps seal the gap between pairs of doors, and is used to block sound or air drafts. Before you install an astragal, you must first determine how your doors are configured, as well as what size astragal you need to use.
Do I need an astragal?
Many door manufacturers do not require astragals for most of their fire-rated pairs, although gasketing may be required at the meeting stiles to reduce air/smoke infiltration. Astragals or meeting stile gasketing may also be used for other purposes, such as weather, sound, or light.
Is magnetic weather stripping good?

The magnetic feature provides a better seal than other weather stripping. We are very happy with the product. Our one complaint would be that it was shipped in a box that was much larger than necessary, creating waste. I will purchase this again if I have to replace weather stripping on other doors.
What is a center astragal?
An astragal is a piece of hardware that is used on a pair of doors to seal the gap between the doors when they are closed. A mullion is attached to the frame and the doors stop against it.
What is the strip between two doors called?
Astragal: A strip of steel or wood, which covers or closes the gap between the edges of a pair of doors.