POLYBIT Bitustick P

Polyester reinforced waterproofing membrane

  • Excellent adhesion to vertical and horizontal surfaces
  • High tensile and tear strength
  • Provides protection against water and vapor

Features and benefits

Polymer modified bitumen self adhesive bituminous waterproofing membrane.

Properties

Description

POLYBIT® BITUSTICK P is used for waterproofing or dampproofing of concrete structures. It can be used in both horizontal and vertical applications for tanking below ground structures, subways and retaining walls.
Available pack size: 1.6mm & 2mm

Documents and downloads

How to use

SURFACE PREPARATION & PRIMING

The surface shall be cleaned thoroughly of all contaminants like dust, traces of curing compound, oil and grease. All surface imperfections, protrusions, structurally unsoundand friable concrete must be removed and repaired with a suitable Polycrete* concrete repair mortar.
Apply Polyprime SB* (solvent based primer) @ 4- 6 m²/L to a clean smooth and dry surface by brush, roller or spray.
Allow the primer to dry prior to the application of the membrane. As the viscosity of the primer is low, it easily penetrates into the concrete pores which promotes the adhesion between the membrane and the concrete surface.
In addition to that the primer also acts as a binder for the dust which gets accumulated on the concrete surface even after cleaning.

ALIGNMENT & APPLICATION

Start the installation of all membrane plies from the low point or drains, so that the flow of water is over or parallel to the plies, but never against the laps. All overlaps at the membrane seams shall be installed so as to have «up» slope laps over «down» slope laps. Begin membrane application by unrolling the roll of Bitustick P membrane and aligning the side laps.
Peel off the release film from the self adhesive side and start unrolling the membrane and press it to the surface. Smoothen the membrane from the center to the edges with a wooden press in order to remove entrapped air. Furthermore, an iron roller shall be used for rolling on top of the applied membrane to ensure a proper and strong adhesion of the bitumen compound with the base surface. Side overlaps shall be a minimum of 50mm on the selvedge and end overlaps 100mm. 

PROTECTION

The membrane shall be protected immediately after
application from damage, due to ongoing site activities or
from sharp aggregates during backfilling by a tough, weather,
warp and rot proof asphaltic protection board (Bituboard /
Bitustick R300/ Bitustick R400)*. Alternatively, on horizontal
areas the membrane can also be protected by laying a
cement sand screed (50mm). Bituboard can be fixed with a
double sided adhesive bitumen tape (Bitutape TS)*. 

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Frequently asked questions

It is recommended using solvent based bitumen primer conforming to ASTM D 41

No. We recommend liquid applied waterproofing coatings for wet areas

It is a BBA certified product