Restoring discoloured uncoated timber cladding

Restoring discoloured uncoated timber cladding

Date Published

6 September 2022

Document Type

Category

Author

TRADA
Summary

There has been an increasing trend to use uncoated wood cladding as the exterior facade to new building projects, both domestic and commercial. Such facades can provide an attractive, long-lived and above all, natural alternative to manmade cladding options. Uncoated cladding has been used primarily because of its low maintenance requirement, on account of the absence of a decorative finish. Many architects choose to specify uncoated cladding because they want the wood to weather to a silvergrey appearance in order to meet their design aims.

Key Information

This research has provided information relating to the main in-service causes of discoloration on uncoated exterior timber cladding. Based on empirical information derived from a number of case studies, the research team have identified a number of effective methods of remedying its occurrence.

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Case studies

The Stonebridge Hillside Hub is a key scheme in the continuing regeneration of the Stonebridge Estate in West London.

The University Chaplaincy at the University of Edinburgh is in an elegant townhouse in George Square, the oldest Georgian square
in Edinburgh. The building form and materials, the use of a sedum roof covering and in particular the use of timber, contribute to a calm, peaceful space in a tranquil garden.