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Elastex System
Description

Elastex is a seamless liquid applied roofing system comprising of a single pack, polyurethane base coating, partially or fully reinforced with Elastex Mat glass fibre matting and finished with a protection coat. It is ideal for larger roof refurbishments and for the waterproofing of gutters, Elastex can be applied to a variety of substrates including: felt, asphalt, concrete, metals, PVC single-ply, GRP and approved insulation boards. Elastex is available with guarantees of up to 25 years and is BBA approved.

Substrate preparation:

Prepare existing roof by making good covering, power wash roof areas and apply biocidal wash where required. Polyroof Products will issue a 10, 15, 20 or 25 year guarantee, which is dependent upon them having carried out a site survey to give recommendations on preparation, choice of primer and the application rate of the Elastex Protection coat.

Components:

– Primer coat:

  • Polyroof MC Binder/ Sealer: To felt asphalt and concrete bases.
  • Polyroof MC Metallic Primer: To galvanized steel, aluminium and cast iron surfaces.
  • Polyroof Etch Primer: To lead and copper.
  • Consult with Polyroof Products for recommendations and details for priming onto other surfaces.

– Base (embedment) coat:

  • Elastex Embedment applied to primed substrate with Elastex Mat reinforcement where required.

– Protection coat(s):

  • Elastex Protection Coat(s).

– Walkway protection:

  • Not required for occasional (maintenance) foot traffic. An optional slip-resistant finish is available.

Accessories:

Polyroof Products Ltd manufacture a range of rigid GRP trims and flashings.

General information
Material

Liquid applied polyurethane

Uniclass 2015
Pr_35_31_68_64 Polyurethane (PUR) waterproof coatingsPrimary
Specification data - Polyurethane (PUR) waterproof coatings
Product Reference

Polyroof Elastex System

Primer

Polyroof MC Binder/ Sealer

To felt, asphalt, concrete.

Polyroof MC Metallic Primer

To galvanized steel, aluminium and cast iron.

Polyroof Etch Primer

To lead and copper.

Minimum dry film thickness

0.9 mm

10 year system

1.3 mm

15 year system

1.5 mm

20 year system

1.7 mm

25 year system

Walkway protection

Required

Not required

Coating application -
Embedment Coat

Elastex Embedment applied to primed substrate, with Elastex Mat reinforcement where required. Coverage rate will depend on substrate and surface roughness.

Protection Coat

1 coat at 0.5l/m2 application rate

10 year guarantee

1 coat at 0.75l/m2 application rate

15 year guarantee

2 coats at 0.5l/m2 application rate

20 year guarantee

2 coats at 0.63l/m2 application rate

25 year guarantee

Standard product features

Material:

Liquid applied polyurethane.

Product Options

Elastex Protection coat applications:

  • 1 coat at 0.5l/m2 application rate – 10 year guarantee
  • 1 coat at 0.75l/m2 application rate – 15 year guarantee
  • 2 coats at 0.5l/m2 application rate – 20 year guarantee
  • 2 coats at 0.63l/m2 application rate – 25 year guarantee

Colour:

  • Dove Grey
  • Slate Grey – Consult Polyroof Technical Services for approval of slate grey applications.

Carrier membrane:

Minimum 3B Felt.

Insulation:

Polyroof ‘RES’ Insulation. Consult Polyroof technical services for other suitable insulation grades.

Insulation Adhesive:

Polyroof Approved Fastflow Poly 2 Adhesive. Consult Polyroof for suitable alternatives.

Vapour Control Layer:

Polyroof self-adhesive VCL. Consult Polyroof for suitable alternatives if required.

Accessories:

Polyroof GRP trims.