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    ROOF DRAIN  


"TOP" DRAIN

Technical characteristics and accessories:

- Circular flange Ø 330 mm. with fastening holes;
- Seal ring;
- 165 mm. contersunk top and a stem, Ø 75-110-125-160 mm., for a total height of 250 mm;
- Protective cover with a central pin as a handy cutting guide;
- Metal compass with slit for blade as circular cut guide;
- Threaded ring with 3 locating holes for leaf or grvel guard positioning and tightening lugs;


Optionals:

- Adaptor piece for fitting of grille;
- 188x188 mm foot traffic resistant grille;
- "L" seal piece for positioning pipes or outlets;
- 220V - 14W heater element;
- High density polyurethane insulation
- Pipe will bell joint and seal Ø 75 - 110 - 125 - 160 mm, 500 mm high;
- leaf or gravel guard


"Top" Drain Advantages:

1. "Top" drains can be use with all types of waterproofing membranes;
2. Accessories supplied with TOP drain allow it to be used in virtually all applications;
3. Quick and easy anstallation often halving installation times;
4. Can be used installation often having installation times;
5. Large countersuck top makes for easy flow or rainwater and the seal between the outlet and the down pipe ensure that it is fully watertight for all of its circumference;
6. Warehousing of only one type of drain.

Drainage capacity of "TOP drains"
Diam. 75 = 300 lt../min
Diam. 110 = 492 lt./min
Diam. 125 = 690 lt../min
Diam. 160 = 786 lt./min
7. "Top" drain is re-cycleable.


"TOP" DRAIN
1. An appropriately dimensioned seat of the drain and the down pipe must be prepared throught the various layers - Fig. A
2. The down pipe is fittied using the special collars under the bell of the pipe - Fig. B
3. Insert the drain and cover into the bell or the hose and mail info position - Fig. C (check that the)
4. In the case a multi-layer waterproofing system, the drain unit be installed on top of the first waterproofing layer. The area around the flange must be heated in proximity of the flange WITHOUT THE FLAME COMING INTO DIRECT CONTACT WITH THE DRAIN UNIT, the unit is placed in position, ensuring that the flange is propertly positioned and sealed - Fig. D
5. Install the waterproofing membrane (in the case of bituminous membranes it should be heated gently and adhered to the cover) avoid forming joints in proximity of the drain unit. After completing installation, press on the central pin so that it protrudes, and using the handy cutting guide and look blade cut the circular piece over the cover itself. - Fig. E
6. Remove the cover, and manually screw down the ring using the lungs until it is sufficienty tight. Position the leaf or gravel guard in the locating holes - Fig. F