Vent TRE for flat roof 225mm/Ф75mm, with cap

The vent for flat roofs has an opening diameter of 75 mm and a height of 225 mm. It has a cap that protects the hole from rain, snow and dirt. It is used for flat roofs. Roof vents allow moisture and water vapor under the bitumen waterproofing to be removed outside the roof package. Compatible with polymer-bitumen waterproofing, resistant to gas-flame treatment with open flame.