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Weber Saint-Gobain - Official website of the company

Upgrading non-traditional housing

Early non-traditional or system built housing was not built to today's thermal standards and some prefabricated units were only ever intended to be temporary accommodation which, while much appreciated at the time, were not intended to have a long life.


1. Concrete decay

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These are often concrete structures which show signs of decay after along period of time.

2. Movement

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System built prefabricated units are often subject to relatively high building movement.

Due to the construction methods this movement often continues throughout the life of the property, driven by thermal cycles.

3. Condensation problems

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Low thermal resistance of the wall construction often means that these properties are plagued by condensation problems.

Where a steel frame was used with a mixture of steel cladding and masonry, condensation is a big problem and in the extreme can cause failure in the steel structure.

4. Uneven surface for rendering

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These construction methods often feature infill panels. These may not offer a flat, in-plane surface suitable for traditional rendering.


Repair and insulate with an EWI system

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As a major part of the programme to produce a mortgageable property, address any structural issues and insulate externally with a Weber insulated render system incorporating a fixing method suitable for the particular construction.

Solution with the following Weber products

Solution 1

webertherm FT - FrameTec System

An extruded aluminium spanning rail to provide a cavity when using External Wall Insulation with single skin or frame construction

webertherm XB - Brick Slip System

Our External Wall Insulation system featuring real brick slips for an authentic brick finish

webertherm XM - Multi Layer System

Our traditional multi-layer render system which incorporates an extensive range of versatile and attractive finishes.

webertherm XP - XPress System

Our unique XPress system incorporating a through-coloured render which can be applied by pump for speed and simplicity.

webercem concrete repair system

BS EN 1504 compliant concrete patch repair system

Printable version