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Tips for cover maNufacturing
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As a supplier of rolls of fabric to manufacturers of complete blinds as well as to the manufacturers of ready-made covers for the industry, Helioscreen is concerned about the quality of the products in the down-stream stages of the production process.
Quality is all about prevention. It is also a chain, of which the weakest link will determine the strength and in which everybody in the business is involved. The best possible fabric cannot guarantee a perfect roller blind, if the process to make the roll of fabric into complete blinds is not controlled by the same considerations of achieving quality.

The following free advice is offered for the storage as well as the processing of the rolls of fabric. It is based on the nature of the fabric. - its glass core - and the relatively high weight of the fabric:

During Storage of the Rolls.

Store the rolls in such a way that no excess weight rests on the fabric. While the fabric is sturdy and strong, glass does not like to be compressed and the fabric may be deformed if it is put under continuous local high pressure.

Therefore, avoid stacking the rolls upon each other for too long or more than three rolls upon each other. It is best to keep them in individual carton cylinders or to hang them freely over a metal bar, but not for too long a period.

Never store the rolls vertically.

During Cover Manufacturing.


Always make sure the covers are cut at perfectly right angles.

Use razor sharp blades or crush-cut knives and avoid splitting the glass core.

Let the cut-to-size covers rest on a flat surface for some 24 hours prior to welding and finishing, to relieve cutting tensions.

Stitching is not recommended, it is better to weld the fabric, either with a high-frequency or a thermal welding machine, especially designed for this job.For use on exterior screens, both edges of the covers should be reinforced with a special tape to be welded on, to strengthen the resistance against wind and the elements.

Some fabrics have asymmetrical weave patterns and therefore the front and back do not look the same. This is the case for one of our best-selling fabrics, Sergé 2165. The covers should then be cut in the same way from the rolls, e.g. always taking the width of the covers out of the width of the rolls, and they should always be placed with the front (or back) in the same direction. During Storage and Assembly of Covers.

Smoothly roll up the manufactured covers for transport. Avoid putting too many covers on one roll, to avoid the weight of the roll to press on the glass core of the fabric.

Never store ready-made and rolled-up covers vertically, always keep them horizontal.

Never fold covers: the glass yarns do not like being bent; covers should always be rolled up.When the cover is assembled to the roller tube, always make sure that it rolls up smoothly and evenly and never hits the side of the roller system. Maximum Dimensions.There are certain limits to the size of a single sunblind. Depending upon the diameter and material of the roller tube, the type of mechanism, the size of the headbox, there are limits beyond which the blind will simply not perform properly and the Screen cover will not behave as it should.And then, there are limits mandated by common sense: a roller blind with a Screen cover will not look nice if it is too big.

As any material, the Screen fabric will not look as it should if too big a surface is covered by just one cover. It is a textile, after all, and textile puts its own limits to its use in one piece.

Helioscreen offers free information on the use of its fabrics and the maximum dimensions of single blinds. Call or mail us if you need us or if you are in doubt.

Dijkstraat 26 B-9160 LOKEREN BELGIUM - Tel: +32 (0)9 348 90 00 - Fax: +32 (0)9 348 06 69 - fabrics@helioscreen.be