PolySEAL Polyurethane

PolySEAL is a polyurethane based waterproofing material. It is a single pack material that cures with atmospheric moisture. High quality liquid applied elastomeric coating.

  • Elastomeric / Flexible
  • Easy application
  • Crack bridging properties
  • High build
  • Resistant to water and UV
  • Excellent adhesion to most substrates
  • Suitable for foot traffic or light vehicular traffic
  • Remains flexible in sub-zero conditions


Waterproofing of roof-tops, balconies and terraces. Waterproofing under tiles in bathrooms and balconies. Suitable for flat roof applications with ponding water providing the heavy duty application option is used.

PolySEAL is an ideal solution for re-roofing and remedial repairs on existing membrane roofs. Old membrane roofs can be easily re-coated and brought back to a new standard with minimal disturbance to the existing roof or structure.


Product Information

  • PolySEAL Brochure

    PolySEAL Brochure

    pdf PDF (10.45MB)

  • Kemseal S-80 Apr 2018

    Kemseal S-80 Apr 2018

    pdf PDF (1.36MB)

MSDS Information



    pdf PDF (0.11MB)

Get In Touch

Many factors need to be considered in order to come to a decision for your waterproofing. Sealco Waterproofing Systems have experienced staff that will be able to guide you through the best solution to your waterproofing needs.

Our Locations

6 Caerphilly Place
Hillsborough, Christchurch 8022
0508 Sealco (292837)
PO Box 35-190, Christchurch 8640 admin@sealco.co.nz

Online Distribution
180 Savill Drive
Auckland 2024