Pin holes do not come in many different shapes and sizes, they are simply tiny holes that do not appear over-time unless by physical force and are technically only seen if a bright light is shining on them. Continue reading to learn what pin holes are and how to handle them.

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Often times hotel brands require window treatments to have blackout capabilities; which creates privacy and a more comfortable experience for guests.

Manufacturing a blackout involves coating a fabric with layers, or “passes,” of aerocellular acrylic foam. A 2-pass blackout is produced by applying two layers of foam to the fabric, while a 3-pass blackout will receive three layers of foam.

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Pinholes are needle size spots where a transfer of light occurs. They are not large holes or scratches and they do not increase in size without physical or mechanical damage. Typically pinholes cannot be seen unless a bright light is shone through the curtain.

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Pinholes are inherent to coated fabrics and can occur at random. Having multiple pinholes throughout seam lines or linearly across the treatment should not be considered standard.

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Do I have a pinhole problem? As a guideline, having 3 or less visible holes, from a viewing distance of 5-8 feet is considered acceptable.

In certain cases, a pinhole can be fixed by patching the area with a small amount of acrylic foam. Large areas of light or an abundance of holes are typically deemed replacement candidates over repairing.