NBS Source
I'm a manufacturer

OptiFlex-20 PU Liquid - Warm Roof Build Up

Verified by manufacturer over a year ago

OptiTec Ltd

Polyurethane waterproofing warm roof system.

Jump to:
+ (0)1268 944054 Website

Application

Warm roofs.

Description

OptiFlex-20 is a fast curing, pure polyurethane single component brush and roller applied seamless and fully bonded membrane suitable for application onto both new build and refurbishment projects. With high flexibility and exceptionally tough characteristics OptiFlex offers protection for the most demanding and complicated projects.


Components:

  • OSA-5 Self-Adhesive Primer.
  • O-SAV-SV Vapour Control Layer Silver.
  • OTM-IA Insulation Adhesive.
  • OptiTherm Insulation.
  • OSA-5 Self-Adhesive Primer.
  • OSA Vapour Control Layer.
  • OptiFlex-20 Base Coat.
  • OptiMat-225 225 g/m² Reinforcement Matting.
  • OptiFlex-20 Top Coat.


Features and benefits:

  • Single component – No mixing, easy and ready to use.
  • Cold applied - Requires no heat or flame.
  • Excellent bonding to most substrates.
  • Easily recoated when needed – No stripping required.
  • Fast curing.
  • Elastic – retains flexibility even at low temperatures.

General information

Material

Polyurethane

Warranty description

20 year

Uniclass

Ss_30_40_30_43 Liquid-applied warm roof covering systemsPrimary

CAWS

J31/10 Warm deck roof coating

J31/120 Warm deck roof coating

Specification data - Liquid-applied warm roof covering systems

Preparation

-

Horizontal work

OSA-5 Self-Adhesive Primer.

Guidance for specification option:

Solvent based primer for bonding a variety of self-adhesive membranes and vapour control layers to variety of substrates.


  • Chemical base: Synthetic rubber.
  • Solids content: 32–36%.
  • Application temperature: 5–30°C.
  • Coverage rate per litre: 4–8 m².
  • Colour: Black.


Air and vapour control layer

O-SAV-SV Vapour Control Layer Silver.

Guidance for specification option:

A self-adhesive bituminous membrane that forms a barrier against vapour and gases. Consisting of a self-adhesive bituminous compound

re-enforced by a composite aluminium foil with integral glass-fibre mat.


  • Thickness: 0.6 mm.
  • Tensile strength: >600 N/50mm
  • Elongation at break: 5%.
  • Tear resistance (nail shank): 190 N.
  • Static load resistance: Met. A 5 kg | Met. B 20 kg.
  • Fire behaviour: Class E.

Insulation

-

Type

OptiTherm Insulation.

Fixing

OTM-IA Insulation Adhesive.

Liquid-applied waterproofing

-

Type

OptiFlex-20 Base Coat and Top Coat.

Guidance for specification option:

  • Chemical description: Pigmented thixotropic single component moisture triggered polyurethane liquid.
  • Density: 1.3 g/cm³ (20°C).
  • Maximum elongation: 421%.
  • Tensile stress: 3.4 MPa.

Reinforcement

OptiMat-225 225 g/m² Reinforcement Matting.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Literature

OSA-Vapour Silver TDS

OSA-Vapour Silver TDS

OSA5, 10 & 25 Primer TDS

OSA5, 10 & 25 Primer TDS

OptiFlex-20 PU Liquid TDS

OptiFlex-20 PU Liquid TDS

OptiFlex-20 PU Liquid - Warm Roof Build Up Standard Drawing Details

OptiFlex-20 PU Liquid - Warm Roof Build Up Standard Drawing Details

OptiFlex PU Liquid Waterproofing Brochure

OptiFlex PU Liquid Waterproofing Brochure