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We all love it when the sunlight streams through the windows. It makes home feel bright, airy and inviting. But while these glorious rays lift our mood, their UV rays can do stealthy, permanent damage to carpets and furnishings. And ignorance is not bliss! Understanding how UV exposure works – and how to prevent or minimise its effects – is your best defence. Let’s take a quick look at the science behind NZ’s UV rays, the signs that damage is occurring, and what you can do to stave off UV deterioration in your home. Which UV rays are damaging to fibres and fabrics? Both UVA and UVB rays can cause permanent damage to fibres and fabrics, causing irreversible fading, bleaching, and weakening of carpet fibres which causes thinning. UVA rays penetrate into the fibres and cause gradual, cumulative damage leading to colour fading, brittleness, matting, pilling and breakage. UVA rays can cause white or light-coloured carpets to yellow. UVB can bleach fabrics and fibres as its damage is to the surface of the fibre. UVB is often blocked by window-glass so they primarily affect carpets and furnishings with direct exposure such as in front of open ranch sliders. Standard residential window glass will almost completely block UVB rays, but do not block UVA rays.

























