Primary Pro is a simple and cost effective protection for any external heating piepwork with just the insulation and bond & seal required. The Grinder Head is perfect to flatten any uneven surfaces. It makes a 4mm indentation to the external wall to give a flush sealing surface. This saves time and makes an energy-efficient seal, when just using Our Primary Pro Bond & Seal or fitting the Primary Pro Sealing rings which make the perfect look and seal the customer’s property.
Can be used to insulate through the wall to the length required