Pyrotherm Fiberglass Rope

pyrotherm-rope2Fiberglass Thermal Rope – Product Overview

Pyrotherm FG Rope is a high-temperature, non-combustible 100% fiberglass thermal rope produced by Atlantex Manufacturing. FG Rope is commonly used alongside Pyrotherm Fiberglass Thermal Tape as a component in assembled gaskets, but is also widely used as a standalone gasketing/packing solution for industrial ovens, furnaces, kilns, and in various foundry applications.

Manufactured with E-glass fibers, Pyrotherm FG Rope is able to withstand continuous exposure up to 1000°F, will not burn or support combustion, and is resistant to degradation caused  by exposure to common industrial fluids and chemicals. Reduce heat loss and maintain proper internal system temperatures by insulating with Pyrotherm FG Rope.


Boiler door gaskets, Furnace Industrial Ovens, Coke Ovens, Wood Stoves, Kiln, Car Seals, Filter Bag, Pipe Wrap, Tie and Lacing Cords, Tadpole Tape Core.



Pyrotherm FG Rope Data Sheet

[URIS id=4833]
Working Temperature ° F ° C
Continuous: 1000 535
Material Composition Added Value
Highly texturized E-Glass fiber REACh & RoHS compliant
Versatile thermal protection Extensive stock for short lead times
 Knit-braided high-density rope Economical system protection
Extremely lightweight and flexible Packing, sealing, & gasket component
Available in diameters from 1/8″ (3mm) to 2″ (51mm)
Pyrotherm FG Rope is a stock product, allowing for fast turnaround time
Bulk lengths available for scrap minimization
Rope supplied boxed standard, shop spools available upon request
Protects systems from thermal transfer in industrial, appliance, and many other high-temperature applications
High-temperature rope is flame resistant, & will not burn or support combustion
Good resistance to most common industrial chemicals and solvents
Highly flexible and lightweight fiberglass thermal rope makes an ideal seal, packing, and gasket material for boilers, ovens, furnaces, crucibles, etc.
Pyrotherm FG Rope – Part Numbers
Size Ft/Box Part Number
1/8″ 1500 ft FR02320
1/4″ 1500 ft FR04320
3/8″ 700 ft FR06320
1/2″ 500 ft FR08320
5/8″ 300 ft FR10320
3/4″ 300 ft FR12320
7/8″ 200 ft FR14320
1″ 200 ft FR16320
1-1/4″ 125 ft FR20320
1-1/2″ 100 ft FR24320
1-3/4″ 90 ft FR28320
2″ 50 ft FR32320

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Additional Questions? Give us a call at (610) 518-6601, or email us at