BlazeSeal™ creates a firm seal that prevents the flow of hot smoke, gases, and flames through the door-to-frame clearance of single or double-leaf doors by forming a fire barrier around the perimeter.Compared to other brands, BlazeSeal™ exhibits greater intumescence by expanding to 18 times its original size which allows for more flexibility in the placement of the strip and aids in passing tests of longer duration.BlazeSeal™ may be used with standard door and frame designs. A high degree of expansion allows for flexibility in the placement of BlazeSeal

  • Easy to install/ ready to use
  • Virtually air tight butterfly damper Rubber gasket delivers superior seal when closed
  • Cost effective/ less material required
  • Versatile, flexible
  • Highly intumescent

Product Variations

Items 1 to 18 of 18 total

Show per page
Grouped product items
Sku Name

Items 1 to 18 of 18 total

Show per page
Metacaulk BlazeSeal is installed as an integral part of fire door assemblies to provide a positive pressure seal in the clearance area between the door and frame or at the assembly threshold in the event of fire. BlazeSeal may also be used to prevent the passage of flames, hot gases, or smoke through hardware, such as closers and locks and may be used as a glazing seal in frame assemblies utilizing fire rated glass in both doors and side lites.
More Information
Brand : BlazeSeal

Product Warranty Icon

The Industry's Best Product Warranties

Minimum 3-year limited warranty on RectorSeal Products. No registration required.


Outstanding Technical Customer Support

Providing exceptional technical customer support for on-site job requirements and project specifications.

Product Availability and Fulfillment

Delivering a seamless purchasing experience by offering a diverse selection of products, ensuring availability and quick fulfillment.

Complimentary eTraining Courses

Offering a variety of eTraining from self-directed courses via RectorSeal Academy, on-demand one-on-one training or live webinars.


“RectorSeal is commited to achieve Total Customer Satisfaction by exceeding customer’s expectations, requirements and needs”

We assure our quality policy commitment by:

VOICE OF THE CUSTOMER Monitoring the Voice of Customer and taking appropriated actions.
talents and competencies Effectively developing all employees’ talents and competencies.
key performance indicators Tracking and improving our Key Performance Indicators (KPIs).
Quality products Establishing robust processes to deliver quality products.
on-time and complete Delivering on-time and complete customer orders.
continuously improving Establishing and continuously improving our quality management system.