Windproof Treatment
Windproof treatment is a process or specification applied to reduce wind passing through the gaps in a textile and make it easier to reduce body heat loss inside clothing.
Contents6 sections
Definition and Overview
Windproof finishing is a process or specification applied to suppress air permeability in woven or knitted fabrics and make it harder for cold wind to enter the inside of clothing. Methods include high-density weaving, resin or coating application, and lamination with film, and performance and hand feel vary depending on the processing method.
Wind resistance is affected not only by the textile itself, but also by seams, zippers, and the specifications of cuffs and hems. Therefore, when considering the level of wind resistance required for a product, the design of patterns and auxiliary materials should also be checked together with the textile performance.
Features
By suppressing the passage of wind, it may become harder to feel cold even with the same insulation material or air layer inside the clothing. Windproof finishing itself does not generate heat or necessarily increase thickness, so it should be considered separately from thermal insulation.
Depending on densification, resin finishing, coating, or film lamination, stiffness, firmness, slipperiness, gloss, and rubbing noise may occur. On the other hand, depending on the material and processing design, it is also possible to achieve a relatively supple hand feel.
In general, the greater the wind resistance, the lower the air permeability tends to be, which may lead to stuffiness inside the clothing. For highly active applications, comfort should be considered together with moisture permeability, ventilation, and the use of lining or mesh.
Main Applications
Used for outerwear, blousons, coats, vests, pants, and other items that are easily exposed to wind. It is suitable not only for winter cold-weather clothing, but also for spring and autumn layers for changing temperatures, as well as sports and outdoor apparel where wind chill should be reduced.
In addition to giving the outer fabric wind resistance, there are also specifications that provide a windproof layer between the outer fabric and the lining. Depending on the required stretch, lightness, durability, and feel against the skin, either a single-layer textile or a composite material is selected.
- Outerwear, blousons, coats
- Sports and outdoor wear
- Workwear, uniforms
- Pants and vests where extra cold-weather protection is needed
How to Choose and Handling Precautions
When selecting a textile, check not only wind resistance but also air permeability, moisture permeability, water repellency, stretch, fabric weight, and hand feel according to the intended use. Water-repellent finishing is a function that makes water less likely to soak in, and its purpose differs from windproof finishing. Waterproof, moisture-permeable materials may also have wind resistance, but not all have the same performance.
Fabrics using resin finishing, coating, or lamination and bonding may change in appearance or function depending on heat, friction, and washing conditions. Check the care label and textile handling instructions, and before mass production carry out washing tests to confirm shrinkage, wrinkling, peeling, and changes in hand feel.
In sewing, needle holes and seams can affect wind resistance. If necessary, consider the seam allowance specification, and for laminated textiles, pay attention to needle holes, surface changes caused by heat, and feeding problems. Match the thickness and firmness by checking the needle, thread, presser foot pressure, and sewing conditions in advance.
Differences from Similar Terms
Water-repellent finishing is a process that makes it easier for water to be repelled on the surface. It does not directly indicate wind resistance, and some textiles may be water-repellent yet still allow wind through. Conversely, some windproof textiles may not be water-repellent.
Waterproof and moisture-permeable materials are functions and structures that suppress the intrusion of external water while allowing water vapor to pass through more easily. Although they often also provide wind resistance, windproof finishing does not necessarily guarantee waterproofness or moisture permeability.
Anti-shrink finishing is a process intended to suppress dimensional changes caused by washing and other factors. It may be used together with windproof finishing, but its effect on shrinkage must be checked separately depending on the processing content and material.
Frequently Asked Questions
Is windproof-finished fabric always warm?
Windproof finishing makes it easier to reduce wind chill, but the textile itself does not have a heat-retaining function. Warmth is also affected by quilt batting, brushed surfaces, lining, materials, and the air layer inside the clothing. It is important to choose a product that combines insulation according to the usage environment.
Can windproof finishing and water-repellent finishing be applied together?
There are textiles that combine wind resistance and water repellency, but the two functions are different. Because the durability of water repellency, air permeability, and hand feel vary depending on the processing method, the performance required for the application should be checked individually through test results and textile specifications.
What should be considered when sewing windproof textiles?
For textiles that include coating or film, pay attention to surface changes caused by needle holes, heat, and friction. Since wind may enter through seams more easily, evaluation including the specification is necessary. Before mass production, check sewing samples and the condition after washing.
