Why Wool Rugs Need Special Care Wool requires careful handling because of how the fibre is structured. Each strand is covered in tiny scales that lock together when exposed to heat and agitation. This causes felting and shrinkage. Wool also holds a lot of water and is often coloured with natural dyes that bleed. The wrong approach can ruin a rug quickly. Here's what makes wool different from synthetic rugs or fitted carpets: The fibres felt. Heat plus agitation makes the scal
