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webertherm XP scraped system (EPS) External Wall Insulation

Verified by manufacturer 5 months ago

Saint-Gobain Weber Third party certifications:
  • NSAI Agrément Certificate

    NSAI Agrément Certificate

    Certificate type

  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

External wall insulation system with cost effective insulation and a modern scraped render finish

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Application

Our webertherm XP systems are specially designed using a mineral one coat render (webertherm M1) which doesn't require a base coat render. This means faster and more economical application, reducing labour and scaffolding costs. The disruption to the homeowner is minimised considerably.


Suitable for application onto masonry substrates, this system uses cost effective expanded polystyrene insulation (webertherm EPS) and is finished with webertherm M1 with a modern scraped render finish available in 23 popular colours.


Use multiple finishes on the same project

  • This system can be used in conjunction with the webertherm XP dash system (EPS) for building designs which require a mix of dry dashed and render finishes.

Description

[Formerly known as webertherm XP262]


webertherm XP scraped system (EPS) is a modern external wall insulation system ideal for refurbishment projects to improve thermal performance and reduce interstitial condensation whilst providing the building with a rejuvenated and low maintenance façade.


This system uses expanded polystyrene insulation and is finished with a modern scraped render finish which is available in 23 popular colours.


Suitability:

  • Suitable only for buildings under 11 metres. 
  • For buildings above 11m, please see webertherm XP scraped system (MFD).

Final façade finish:

  • Finished with webertherm M1 one coat mineral render available in 23 popular colours.

Reaction to fire:

  • B-s1,d0 reaction to fire classification in accordance with BS EN 13501. Extended application report on request.

Certification & requirements:

  • BBA approved.
  • NSAI approved.
  • Able to satisfy PAS 2030:2019 and PAS 2035:2019 requirements.

Thermal performance:

Thermal performance for this system varies by substrate and insulation thickness, please refer to our U-value Estimator tool for more insulation thickness options.

General information

Color

-

Manufacturer guidance

Available in 23 colours.

Finish

Scraped

Mineral

Material

Expanded polystyrene (EPS)

Uniclass

Ss_25_45_72_28 External wall insulation systemsPrimary

CAWS

M21/20 External wall insulation system . . . . . .

M21/210 External wall insulation system

Product range

External wall insulation systems / For masonry
External wall insulation systems / Reaction to fire: B-s1,d0

Specification data - External wall insulation systems

Preparation

Not required.

Weber CL150 Fungicidal Masonry Wash.

Guidance for specification option:

For existing substrates, or where required on new substrates, drench apply CL150 wash and leave for 48 hours, then brush down to remove all moss/ growth.

Insulation

-

Material

EPS.

Manufacturer guidance

  • Plain expanded polystyrene, SD/FRA grade.
  • Size: 1200 x 600 mm.
  • Nominal density: 14–16 kg/m³.
  • Thermal conductivity: 0.032 W/m·K.
  • Fire classification: Euro Class E; when part of webertherm XM: Building Regulations National Class 0 when tested to BS 476 Part 6 and 7.
  • Maximum water vapour permeability: 0.018–0.036 mg (P.a.h.m).
  • Fixings: Five required per insulation board.


Adhesive

weberend LAC.

Guidance for specification option:

Required to comply with SWIGA guarantee requirements on all buildings greater than four floors in height above ground level. Consult manufacturer and insert requirements.

Additional mechanical fixings

-

Manufacturer guidance

Fixings are dependent on wind load and pull out strength, please contact Weber for advice.

Fire barriers and stops

-

Material

MFL.

Fixings

Stainless Steel (At 400 mm centres).

Beads and trims

Render only beads are available in coated galvanised, stainless, coated aluminium or rigid plastic in 3 m and 2.5 m lengths.

Movement joints

-

Form with

-

Manufacturer guidance

Please contact Weber for bespoke details.

Render carrier or reinforcement

-

Material

Balanced, open weave, alkaline resistant glass fibre meshcloth.

Mesh size

3.5 x 3.5 mm.

Render

-

Application

Can be hand applied or sprayed.

Material

webertherm M1.

Manufacturer guidance

Factory batched, through-coloured mineral render for a one coat application, incorporating webermesh glassfibre meshcloth. Suitable for scrape texture, dry dash or spray roughcast finishing, coloured and polymer modified, comprising limestone sands, lime, powdered polymer, pigment, cement and graded aggregates.

Decorative finish

weberherm M1 scraped.

Colour

-

Manufacturer guidance

23 Colours Available

Cavity barriers

Type, thickness, density and compressive strength to be determined by the design team.

Guidance for specification option:

Consult manufacturer for details.

Sealant joints

Low modulus silicone.

Guidance for specification option:

Consult manufacturer for details.

Accessories/ Other requirements

Not required.

Full system Weber base bead.

Guidance for specification option:

Aluminium box profile with clip on nosing.

Weber frame seal.

Guidance for specification option:

Can be used as an alternative at windows to provide a mastic free seal with improved aesthetics/ maintenance.

Weber pre-coated, pressed aluminium under cill trims.

Guidance for specification option:

1.2 mm thick (nominal), size to suit EWI System, if required.

Weber pre-coated, pressed aluminium verge trims.

Guidance for specification option:

1.2 mm thick (nominal), size to suit EWI System, if required.

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Density

15 kg/m³.

Thickness range

62-212 mm.

Weight

160 g/m².

Roll size

1 x 50 m.

Fire performance:

B-s1,d0 when classified in accordance with BS EN 13501-1.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

BIM objects

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Platform Compatible Version
IFC
-

2

Revit
-

2

Third party certifications

NSAI Agrément Certificate

NSAI Agrément Certificate

NSAI Agrément Certificate (09/0338) (webertherm XP & webertherm XM)

BBA Agrément Certificate

BBA Agrément Certificate

BBA Agrément Certificate (09/4670) Product Sheet 2 (webertherm XP with MFD insulation)

BBA Agrément Certificate

BBA Agrément Certificate

BBA Agrément Certificate (09/4670) Product Sheet 1 (webertherm XP with EPS/PHS insulation board)

Literature

External Wall Insulation for refurbishment

External Wall Insulation for refurbishment

Weber synthetic colour guide

Weber synthetic colour guide

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