Product Data Sheet Show all documents

SikaShield® E74 PE SA 3 mm

3 mm elastomeric self-adhesive bituminous underlay membrane flexible at -25 °C

SikaShield® E74 PE SA 3 mm is an SBS modified, self-adhesive bituminous membrane. It is reinforced with a non-woven polyester fabric dimensionally stabilised with glass fibre and is flexible at -25 °C. The top surface is coated with a polyethylene foil. The underside has a removable liner over the self adhesive compound for easy application.

  • Flame-free application
  • High durability
  • Good mechanical properties (tensile, tear, shear)
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Product Data Sheet Show all documents

Usage

The Product is used as a base sheet in multi-layer systems for:
  • Flat and pitched roofs
  • New construction and refurbishment projects
  • Inverted Roofs
  • As a base sheet in multi-layer systems
 

Advantages

  • Flame-free application
  • High durability
  • Good mechanical properties (tensile, tear, shear)

Packaging

Roll width

1.0 m

Roll length

8.0 m

Colour

Top surface

Polyethylene film

Bottom surface

Removable foil

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • UKCA marking and declaration of performance based on EN 13707:2004+A2:2009 Flexible sheets for waterproofing — Reinforced bitumen sheets for roof waterproofing — Definitions and characteristics

  • BBA Certified (19/5716)
Product Information

Chemical Base

Composition

SBS modified bitumen

Reinforcing material

non-woven polyester fabric dimensionally stabilised with glass fibre

Shelf Life

12 months from date of production

Storage Conditions

The Product must be stored in original unopened and undamaged packaging in dry conditions and temperatures between +5 °C and +35 °C. Store in a vertical position. Do not stack pallets of the rolls on top of each other, or under pallets of any other materials during transport or storage.
Always refer to packaging.

Effective Thickness

Effective thickness

3.0 mm ± 0.2 mm
Technical Information

Resistance to Tearing (nail shank)

Longitudinal (MD)

140 N ± 42 N

Transversal (CMD)

140 N ± 42 N

Joint Shear Resistance

Longitudinal

350 N/50 mm ± 70 N/50 mm

Transversal

250 N/50 mm ± 50 N/50 mm

Flexibility at low temperature

≤ -25 °C

(EN 1109)

Water Tightness

Method B: 24 hours at 60 kPa

Pass

Permeability to Water Vapour

μ = 100'000

(EN 1931)

UV Exposure

SikaShield® E74 PE SA 3 mm must be protected from damage during any ongoing site activities. The membrane can only be used as temporary waterproofing for 2 weeks before installation of a suitable cap sheet is required.

Reaction to Fire

Class E

(EN 13501-1)

 

Application

Application steps

APPLICATION INSTRUCTIONS

Please refer to the SikaShield Installation Guide.

 

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