According to Global Product Manager of Drytac, Shaun Holdom, to ensure a floor graphic product’s suitability for its intended location on any surface, an adhesion test is recommended before proceeding. No one wants to spend time and money on a project that ends in failure and this is especially important with floor graphics. Loss of adhesion can pose a serious safety hazard.
Floor graphics are a great marketing medium and, increasingly, an essential communication tool thanks to their effectiveness in guiding people around a space. It’s crucial that floor decals or markers are installed correctly to avoid slips and trips, and the graphics product itself is safe for its environment. Most materials and adhesives designed for floor graphics applications are compatible with all common flooring types, but carpets can present an issue.
Specifically, some users may find adhesion is difficult on new carpets – in fact the same type of graphic applied to an old carpet within the same location could suffer no adhesion issues while installation on a new carpet could prove almost impossible. The reason may be the material, the coating and even the design of the carpet.
Certain types of recycled, low-VOC or environmentally friendly carpets may be labelled as ‘stain resistant’ or ‘never stain’ and their properties also reduce adhesion. Often sold as carpet tiles, they are typically made from either durable and resilient nylon or polypropylene. Also known as olefin, polypropylene will not fade, will not absorb water and can contain anti-staining additives, which also repel adhesives.
In addition, polypropylene carpet will have a low surface energy (LSE) surface, which means it has a weak molecular attraction and is therefore more difficult to bond with other substances such as adhesive. Combine LSE with anti-staining additives and you get a surface that is very difficult to adhere to – very much like low-VOC latex/Teflon paint on walls. Normal removable adhesive will take 48 hours to properly wet out, but with this new type of carpet the adhesive does not wet into the surface.
Floor graphics products are generally rated for application to low-pile, industrial grade, smooth-surface carpet. Textured carpet – any design with ribbing, grooves or cut-outs – will not be compatible as the textured surface gives far less adhesion points for the glue to stick to.
One option is using a permanent adhesive, which risks leaving residue on your floor surface. Fortunately, there are temporary alternatives to explore. Drytac offers numerous media products developed for floor applications, with experts able to advise on the right one.
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