Heat Sealing Services

Heat sealing delivers an airtight and watertight seal for your most important projects. From lifesaving devices to essential safety equipment, heat sealing joins multiple pieces with a seam that’s as strong—or stronger—than the original material.

SealWerks offers a variety of heat sealing processes. Contact our materials experts for help determining which heat sealing service is best for your project.

Direct / Constant Heat

This process is ideal for thicker or foam backed materials

Thermal Impulse Welding

Also known as thermal contact welding, this process joins Spunbond fabrics, breathable films, glass-filled plastics, and other challenging materials.

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What Products and Industries is Heat Sealing Used For?

Direct heat and thermal impulse welding are used across a number of industries, including the military, medical industry, manufacturing and many more. Some of the products crafted through heat sealing include:

Containment bags for medical use
Pre-conditioned air hoses (PCA) for aircraft
Long panels, such as industrial curtain walls
Inflatable products
Three-dimensional flexible products

Thermal contact welding is a popular process for crafting many products. Contact SealWerks for more information about heat sealing or any of our other services. Talk to an Expert and get started today!

Benefits of Heat Sealing

Choose heat sealing when you need

✔️ A fluid-tight, airtight, or gas tight seal
✔️ Shear tear/splitting resistance
✔️ Non-wicking seams and edges
✔️ Nearly invisible seaming
✔️ Seams stronger than the base material
✔️ Manufacturing efficiency

Our materials experts can answer your questions and help you select the right service for your manufacturing project.