Extension for roof outlets with integrated custom made sleeve

TOPWET extension with an integrated custom made sleeve (EPDM, TPO, FPO, PR, STE - suitable for cold liquid applied applications) 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 ___ 40–220 mm Drawing documentation
TWN v300 ___ 40–300 mm Drawing documentation
TWN v500 ___ 40–500 mm Drawing documentation
TWNE v500 ___ 100–500 mm Drawing documentation
TWN v300 XL ___ 120–300 mm Drawing documentation
TWN v500 XL ___ 120–500 mm Drawing documentation
TWNE v500 XL ___ 120–500 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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