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Self-Adhesive Products
Delta Side Outlets

Delta Side Outlets

Flanged thermoplastic rubber drainage

Flanged Side Outlet pipes are manufactured using the highest quality and grade of thermoplastic rubber available. The ribbed application surface can withstand the extreme heat generated when torching waterproofing membranes and readily accepts bitumen primer prior to torching. The outlets are flexible yet rigid enough to withstand the pressure from concrete casting.


Fields of application

As an inside or outside drain for:

  • Horizontal gargoyles with free waterfall
  • Balconies and terraces
  • Industrial sheds
  • Flat roofs with parapet walls


  • Ribbed application surface can withstand extreme heat.
  • Readily accepts bitumen primer
  • Can withstand pressure from concrete casting
  • Works well for horizontal drains
  • Appropriate for thick outer walls


Installation is generally carried out at a 5-degree slope through a brick or concrete structure. A soaker flange of waterproofing membrane should be installed prior to the final outlet placement.

  • After laying the first layer of waterproofing, cut a hole and fit
    the mouth of the Delta Side Outlet in the hole through the
    vertical wall and make sure that the Delta Side Outlet has a fall
    of at least 5 degrees. Remove the Delta Side Outlet.
  • Heat the area of waterproofing that is to be covered with the
    flange of the Delta Side Outlet.
  • Immediately slide the Delta Side Outlet in the whole or pipe
    and make the flange adhere to the surface.
  • Smear the flange with paste made from heating a piece
    of membrane, filling all the ribs.
  • Lay the second waterproofing layer with a hole the same size
    as the Delta Side Outlet's shaft.

NB: if the waterproofing system is a single layer system the first layer must be replaced with a piece of membrane at least 500 x 500 mm.


Technical Data

Colour   Black
Wall thickness   2 mm
Manufactured with thermoplastic rubber. No reinforcement.
100 mm Delta Leaf Grate available.

Specifications are subject to change without notification. Results shown are typical but reflect test procedures used. Actual field performance will depend on installation methods and site conditions.

Sizes Available

Square 40 x 40 mm
Rectangle 65 x 95 mm
Rount 110 mm diameter


Delta Leaf Grate

The Delta Leaf Grate is made from a flexible plastic material
and is used to stop leaves and other matter from building up in
drainage pipes. The Delta Leaf Grate is inserted into the drainage
pipe where it anchors itself.

The Delta Leaf Grate can be used in 100 mm and 110 mm pipes.

Download Drainage Data Sheet

Western Cape Gauteng KwaZulu-Natal Eastern Cape Mpumalanga
Cape Town 021 448 7880 Sandton 011 608 0317 Durban 031 569 1843 Port Elizabeth 021 448 7880 Nelspruit 013 752 4409
Somerset West 021 854 4760     East London 021 448 7880  
George 044 874 3905          
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