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BEWI External Wall Insulation

Verified by manufacturer 8 days ago

EPS 70E white

BEWI UK Insulation Variant:

Expanded polystyrene (EPS) external wall insulation (EWI).

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Application

  • Suitable for bonding / mechanically fixing to an external wall.
  • Can be used in conjunction with a variety of render and cladding systems including timber or plastic weatherboarding, tile hanging and reinforced-render systems.

Description

BEWI external wall insulation (EWI) is manufactured from expanded polystyrene (EPS) and can be bonded and/ or mechanically fixed to an external wall.

BEWI EWI is supplied as EPS 70E and EPS HP+70 E (grey) as defined in BS EN 13163. It contains a flame retardant additive to achieve Reaction to Fire Class E. BEWI EWI for use with a rendered finish should be “aged” material.

BEWI Basetherm, (specified separately), can be used as an accessory product to insulate the plinth below the damp-proof course and provide an impact-proof base

board.

Features and benefits:

  • Available in a range of Lambda values.
  • 100% recyclable.
  • Off-cut collection.
  • Achieves an A+ rating in the BRE Green Guide to Specification.
  • Lightweight and easy to handle.
  • Flood resilient and durable.
  • Can be cut to fit with a sharp knife.
  • Helps to achieve a high-quality rendered surface.
  • Insulates for the lifetime of the building.
  • Reaction to Fire Class E.

General information

Color

Grey

White

Material

Expanded polystyrene (EPS)

Shape

Rectangle

Length

1200 mm

Width

600 mm

Height

50 mm

60 mm

70 mm

80 mm

90 mm

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Uniclass

Pr_25_71_63_26 Expanded polystyrene (EPS) boardsPrimary

CAWS

M21/20 External wall insulation systems

P10/217 Insulation slabs fixed to backing wall

M21/210 Rendered external wall insulation systems

Specification data - Expanded polystyrene (EPS) boards

Standard

To BS EN 13163.

Fire performance

To BS EN 13501-1, Class E.

Guidance for specification option:

Any necessary fire performance should be provided by the facing material and the system design.

Compressive strength (minimum) at 10% compression

70 kPa.

Thermal conductivity (maximum)

0.038 W/m·K.

Thickness

50 mm.
60 mm.
70 mm.
80 mm.
90 mm.
100 mm.
110 mm.
120 mm.

Face size (nominal length x width)

1200 x 600 mm.

Sustainability data

Material

Expanded polystyrene (EPS)

Recyclability

100% recyclable.

Literature

External Wall Insulation Technical Data Sheet

External Wall Insulation Technical Data Sheet

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