Thermoglass® Premium Heat Treated Tapes

Premium quality Thermoglass® tapes are carefully woven and sized using 6-micron fiberglass yarns. Applications include lagging, pipe insulation, and expansion joints. Premium quality tapes are resistant to most chemicals and possess great strength and flexibility. Available in plain and drop warp (bolt hole) weaves. Thermal protection for temperatures up to 1000°F (540°C). MIL-C-20079H, Type II, Class 4 available.

Quick Reference


  • E-Glass Fiberglass


  • Woven

Recommended Operating Temperature

  • 1000°F (540°C)

Size Range

  • 3/8″ (9.5mm) to 12″ (304.8mm)


  • Aerospace & Defense
  • Commercial & Industrial Oven & Furnace
  • Boiler
  • OEM


  • Oven Thermal Seals
  • Stove Thermal Seals
  • OEM Equipment Thermal Seals
  • High-Temperature Industrial Wrap

Custom Options

  • Pressure Sensitive Adhesive
  • Vermiculite Coating
  • Dyes & Coatings

Read Our Thermal Protection Product Guide

Need some help navigating your project needs and our technical textile solutions? Browse Davlyn Group’s guide for thermal protection solutions.