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Why George Barnsdale Timber Windows

Barnsdale windows are competitively priced for their quality. They will give unrivalled long term performance with low maintenance.

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  • Single source for design, manufacture and installation – for ease of management.

  • A 25 Year paint manufacturers guarantee when registered on their Sentinel plus scheme.

  • ISO 9000 registered with BSI.

  • The widest range of BSI Kitemarked timber windows in the country.

  • Thoroughly developed and tested. Our tests include Air and Water Penetration, Ironmongery, Security, Acoustic, Thermal Performance, End Grain Sealing with BRE Garston and long term Glazing Testing with BRE Scotland.

  • Production methods and techniques aimed at achieving long term life to comply with the Egan principles of Best Value construction.

  • Internal beading for improved finish life, enhanced aesthetics and increased security.

  • Most windows can comply with BS7950 Security Standards.

  • Clear finger jointed redwood heartwood is used, which is stable and durable. It is knot and resin pocket free, which ensures the coating, does not suffer from brown stains and resin breakout and provides the ideal substrate for long term coating performance.

  • All timber is from sustainable, managed sources.

  • Hardwood also available.

  • Windows can be produced to match existing styles.

  • All end grain is sealed prior to assembly.

  • Resorcinol-phenol-formaldehyde adhesive is used; it has higher performance qualities than pva adhesives.

  • Timber sections are squared, tenons cut then sections profiled to ensure clean and accurate components. Profiling before tenoning leads to timber breakout and less accurate products.

  • Boron preservative dip after initial assembly – has environmental advantages over chemicals that are associated with double vacuum processes.

  • Boron preservative is water based, it has minimal VOC content.

  • Boron preservation has 30-year manufacturers' warranty.
  • Approved Sikkens Sentinel Plus® joinery manufacturer.

  • Fully factory finished – ensures all faces are fully coated. Finish build is 100-120micron dry film, the best painter will only achieve 60 micron by brush.

  • Opaque finishes have up to 10-year warranty, translucent finishes up to 6 years depending upon location and exposure.

  • Registration in to Sikkens Sentinel Plus® Wood Protection Programme, for planned finish maintenance program, available for large commercial projects.

  • Finishes used are modern coatings that ‘erode’ away, the undercoat is cream to show when the top coat needs re-applying. Maintenance is a simple wash down and re-coat. Gone are the days of burning off, priming, under coat & two coats of gloss.

  • Almost any colour of finish can be applied, even different colours internal to external.

  • All hardware has five (5) year manufacturers’ warranty.

  • Quality British brass fittings used on sash windows.

  • Standard window profiles exceed Building Regulations Part L requirements when factory glazed.

  • Glass options available to offer improved performance over Building Regulations Part L requirements.

  • Factory glazing has a ten (10) year manufacturers’ warranty.

  • Windows exceed the requirements of BS6375 Part 1 & 2 Air & Water testing.

  • All opening lights are fitted with weatherseals, which have a ten (10) year manufacturers’ warranty.

  • All work is produced to order – nothing is held in stock, ensuring the finished window is right for the application.