Attachment for roof outlets with integrated PVC sleeve

TOPWET attachment with an integrated PVC membrane waterproofing flange for vertical and horizontal TOPWET roof outlets of DN 70, 100 and 125, with a sealing ring, without a leaf guard (XL version only for outlets of DN 150). TWNE = heated performance, suitable for an insulation thickness over 300 mm.

For thermal insulation thickness
TWN v220 PVC 40–220 mm Drawing documentation
TWN v300 PVC 40–300 mm Drawing documentation
TWN v500 PVC 40–500 mm Drawing documentation
TWN v300 PVC XL 120–300 mm Drawing documentation
TWN v500 PVC XL 120–500 mm Drawing documentation
TWNE v300 PVC 100–300 mm
TWNE v500 PVC 100–500 mm Drawing documentation



We offer a complete range of products for flat roof drainage systems, TOPSAFE fall protection systems and many other accessories.


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