Where rectangular ductwork is used, we can offer Flat Cut Strip, manufactured using the same 60 kg/m³ Phenolic foam. The most popular sizes being 25mm, 38mm and 50mm thick, in any width, normally 50mm, 75mm and 100mm wide and in 1m lengths, but we can cut to whatever dimensions you require.

As with the flexible strip, we can use 80 kg/m³, 120 kg/m³ or Calcium Silicate depending on your requirements and use. We can also supply PSE hardwood from sustainable sources in any dimension.

Please refer to the specification sheet for material details.