weber.therm XM - Weber, world’s leading manufacturer of industrial mortars for the facade, tile fixing and construction markets

About This System

weber.therm XM is a high performance external wall insulation system protected by meshcloth reinforced polymer renders.

weber.therm XM systems when applied to a masonry substrate have BBA approval covering various types of insulation and many render finishes.

System Accreditation

BBA approved certificate no. 91/2691
Member of the Energy Saving Trust Recommended scheme
NSAI approved certifications 06/0260 and 09/0338

The weber.therm XM external wall insulation (EWI) system has achieved the ‘Energy Saving Recommended’ label from the Energy Saving Trust (EST). The label is nationally recognizable as a symbol of home efficiency that can help stop energy and money wastage in the home environment. The EST sets energy efficiency standards for the housing industry that go beyond current building regulations. Covering good, best and advanced practice, they provide an integrated package of measures for all aspects of energy saving for new build and refurbishment.

The weber.therm XM External Wall Insulation (EWI) system holds NSAI Agrément (Irish Agrément Board) Certification and is fully compliant with current Building Regulations.

The latest amendment to the IAB Certification relates to below DPC where heavy duty polystyrene board, normally between 30/50mm, will be used with a 6mm weber.rend LAC base coat render, incorporating fibreglass meshcloth, with a finish coat of either weber.sil P, a high performance water-based silicone resin emulsion paint, or weber.plast P, a silicone-enhanced breathable and protective coating, which are both suitable for masonry substrates. This refinement will improve performance, speed installation and significantly reduce cost.

The use of PIR insulation board as an integral part of the weber.therm XM EWI system is expanding fast alongside the standard white EPS, mineral wool and phenolic insulation materials. This comprehensive list of integrated materials within the Certification for weber.therm XM EWI offers specifiers the broadest scope in meeting subsidiary design requirements whilst achieving the high performance results of the core weber.therm XM EWI system.

Perfect for the retrofit business, the weber.rend RB EWI system achieves a natural brick appearance using two coats of render to create a ‘mortar joint’ and a brick-effect coat while providing all the attributes of the weber.therm EWI system, and is now fully IAB Certificated.

Features and Benefits

Provides efficient thermal insulation for refurbishment and new build projects
Comprehensive range of colours and textures enable the creation of striking visual effects
Has a high performance water shedding range of finishes to protect the building fabric
Low K-value insulants allow thinner insulation to be used or higher standards to be achieved
Eliminates interstitial condensation by creating a 'warm wall' construction
Suitable for, and effective on most buildings - including lightweight steel frame structures and in-fill panels
Supported by comprehensive technical and architectural services

System Options

Preparation	Insulant	Render	Finish
weber CL150	weber.therm PHS	weber.rend LAC	weber.plast TF
weber.rend stipple	weber.therm PIR	weber.rend PTC	weber.plast P
weber.rend TUC	weber.therm EPS	weber.rend RBB	weber.sil TF
	weber.therm MFD		weber.sil P
			weber.plast DF
			weber.rend RBF
			Dry dash
			weber.tene SG

Colours & Finishes

Scraped texture - weber.rend PTS
Dry dash - weber.rend PTC + aggregates
Synthetic finishes
Rendered brick effect - weber.rend RBB ( brick base) + weber.rend RBF (brick face)

Technical Services

During the planning stages of a project, advice should be sought from Weber technical staff.

Advice based on technical expertise together with unrivalled practical experience is freely available and covers:

Design: assistance with the selection of the appropriate system, including working details and U-value calculations.

Pre-Contract Documentation: specifications, typical details, method statements.

Contract Documentation: site packages, available through the specialist contractor. These include approved details, specification and site procedures. Weber Customer Services Department has a team of experienced advisors available to provide on-site advice both at the specification stage and during application. Detailed specifications can be provided for specific projects or more general works. Site visits and on-site demonstrations can be arranged on request.

Technical helpline

Tel: (01525) 722110

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