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Eliminate the Center Gap - Seal It Right with AstraSeal
The Entry Systems AstraSeal™ Brush Astragal Door Seal is engineered specifically for 7'0" (84") commercial hollow metal door pairs to eliminate the common center gap between doors. This heavy-duty astragal creates a tight, consistent seal to help block air infiltration, dust, debris, insects, and wind drafts—while maintaining performance in high-traffic commercial environments.
Hollow metal door pairs are widely used for rear exits, fire-rated openings, and service entrances in retail stores, office buildings, warehouses, schools, and hospitals. These openings often develop a visible gap between the two doors, which can lead to failed inspections, energy loss, and security concerns. The AstraSeal™ system is designed to solve that problem with a durable, commercial-grade sealing solution.
Unlike residential-grade astragals that fail under heavy use, the AstraSeal™ Brush Astragal is built for commercial steel door applications. The reinforced aluminum holder securely retains the dense nylon brush, preventing pull-out or failure even in high-cycle door openings.
This makes it ideal for:
A gap between door leaves can allow unwanted air transfer, pest intrusion, and reduced building efficiency. The AstraSeal™ system installs directly to one door leaf and creates a continuous seal along the meeting stile, improving overall door performance.
This is especially important for:
The Entry Systems AstraSeal™ is designed for easy retrofit on existing hollow metal door pairs. It surface mounts to the face of the door and can be field-adjusted as needed.
In some applications, minor trimming of the aluminum holder may be required when:
The aluminum carrier can be easily cut in the field to ensure a proper fit around hardware while maintaining a continuous seal.
Most astragals on the market are designed for light-duty or residential use and fail quickly when installed on commercial steel doors. The Entry Systems AstraSeal™ is purpose-built for commercial hollow metal door pairs, delivering long-term durability, reliable sealing performance, and code-driven peace of mind.
Stop the gap. Seal it right with AstraSeal™.
Yes, anyone can purchase from Automatic Door and Hardware.
The time you receive your order is dependent on two factors: product lead time and the shipping method. A product lead time is the time it takes for our company to manufacture the product, package it, and prepare it for shipping. The product lead time is listed on each product, right above the "add to cart" button. Please note that product lead times can vary depending on supply chains and seasons. Please contact [email protected] before ordering if you need to meet a specific deadline. The shipping method is the transit time of the product. This is the time required for the freight carrier to pick the product up from our warehouse and deliver it to your location.
Automatic Door and Hardware is an American owned business located in Texas. We do not drop ship products from China.
If you need a product but in a different hand or finish and cannot find that particular model then please contact [email protected]. One of our specialists can provide you the right product link to the appropriate product.
Sales tax is dependant upon your state of residence. If sales tax applies to your state, you will see the amount in the checkout before you place your order. If you are a government facility, school, or university and are tax exempt, please contact [email protected] before placing your order to avoid paying sales tax.
If you are ever in doubt if a product will work on your door or application, please contact [email protected] before placing your order. We want to get you the right products. Most of the time a simple email with one of our technical experts can clarify if the product will be suitable for you or not.
Automatic Door and Hardware takes pride in our customer service team responding to email inquiries immediately. Most emails are replied to within minutes. However, our team only responds during normal business hours in the work week. If you have not received a response within 24 hours (not including weekends) please check your SPAM folder. Most likely the response is in there.
If you have a question, need a quotation, or assistance of any kind reach out to us directly by emailing [email protected]. One of our experts will contact you back immediately.
As a hospital we depend on our front doors to open and close in order for us to do our job. ADH got the parts we needed out to us immediately.
As a hospital we depend on our front doors to open and close in order for us to do our job. ADH got the parts we needed out to us immediately.
Contractors earn a good reputation by providing reliable and durable products to clients. That's why we always use ADH when it comes to doors and hardware.
Gary was very helpful from the first and communicated with me on his on time. He was in touch with me for several days and was very helpful finding the part I needed although I did not have a picture of the part. Gary went way above what was expected in trying to find the part I needed. When we need more parts for our church doors I will definitely call Gary.
As a hospital we depend on our front doors to open and close in order for us to do our job. ADH got the parts we needed out to us immediately.
Contractors earn a good reputation by providing reliable and durable products to clients. That's why we always use ADH when it comes to doors and hardware.
Gary was very helpful from the first and communicated with me on his on time. He was in touch with me for several days and was very helpful finding the part I needed although I did not have a picture of the part. Gary went way above what was expected in trying to find the part I needed. When we need more parts for our church doors I will definitely call Gary.
If you need help figuring out what to do or how to do it … These people will help you make it happen. In my case it was a hardware issue and I wasn’t sure where to start. After my initial contact and a couple of pictures they were able to solve my issue … and it wasn’t even their product … Wow, these people go above and beyond. Thanks Derek !!!
