insulating material Netherlands

...Hollow brushes are used for insulating cavity walls to prevent the insulating material from falling into neighboring properties. The brushes are placed in the cavity wall of the perimeter fence through small holes in the joint. Once the brushes are in the cavity wall, they expand, allowing the insulating material to be injected. Jobo is a manufacturer of hollow wall brushes and produces various standard sizes. The most commonly used brush is a round white brush that is 1 meter long with a diameter of Ø90mm. Item number: 510673...