For gravity (emergency) drainage

alwitra parapet outlet

alwitra parapet outlet for exterior (emergency) drainage

No interior rainwater outlet? No problem at all! The alwitra parapet outlet enables exterior (emergency) drainage almost without alteration of the existing building structure. Smart spenders will be happy: rainwater can be collected using the parapet outlet. The alwitra parapet outlet W75 was specially designed for gravity (emergency) drainage through the parapet and comes ready-to-install, including three components: outlet, stainless steel pipe and precisely fitted insulating block.

Sustainability - ready-to-install

Advantages of the alwitra parapet outlet

Stable: made of highly impact-resistant and high-grade polypropylene (PP)
All inclusive: EVALON® or EVALASTIC® flashing collar, matching the membrane colour, included in the scope of delivery.
Fits any roof waterproofing, whether EVALON or EVALASTIC. Your choice!
Customisable: easily fit to size on site
  • Uncomplicated: no need for time-consuming installation of the outlet body in the insulation
  • Simple: easy flashing of the waterproofing against the straight outer edges of the insulating block
  • Variable pipe inclination: the stainless-steel pipe can be infinitely horizontally adjusted between 0° and 2°
  • Unique, jointless insulation under the outlet body

  • Connection to commercially available (HT or stainless steel) socket pipes or
  • Spouts with free discharge or into a water collector

  • can be fit to size on site
  • for flashing against the vapour control sheet