• On roofs with a ballast layer of gravel it is necessary to use a perforated extension chamber
• Wide range of accessories for walkable roofs
• Terrace attachments for drainage from the paving surface level
• Possibility of using a odour trap inserted in the outlet
• Electronic thermostats for control of TOPWET heated roof outlets
• Accessories for roof outlets influence the flow rates declared at the outlet with the standard leaf guard

How can attachments be universal for various diameters of roof and terrace outlets DN 50, 70, 100 and 125?

The outlets have a neck or an integrated flange of the same construction and diameter. The outlet construction only differs below the neck. Ensuring that all the accessories are universal.

What attachment shall I use if I have screed finish which is at the level of the outlet neck?

For this type of finish, there is TW TER attachment which can be shortened according to the height of the screed and paving.