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There is a common perception in the UK, that installing timber cladding uncoated is the cheaper, low maintenance solution. The reality is that is simply not the case.
Wood is a natural, sustainable material. When it is exposed to elements such as moisture, sunlight, and wind the physical attributes of the material changes and aesthetically evolves over time. Think of the driftwood you may see on a beach.
Weathering is defined as the “chemical and physical changes that take place when timber is exposed to weather”, the things responsible for these changes are: moisture (rain, snow, dew, and humidity), oxygen, solar radiation (ultra-violet (UV), visible, and infrared light), and temperature. UK conditions mean that moisture and temperature are important factors affecting the weathering of timbers.
Weathering should not be regarded as a problem, but rather a natural process that needs to be taken into account when planning for the preservation and protection of outdoor wood. Leaving wood unprotected means there is zero control.
The consequences of leaving wood cladding uncoated, include:
Patchy colouration, particularly around protected areas like eaves and windows can be found when wood is left uncoated. While this does not affect the performance of wood, it does look visually unattractive,
Increased surface mould
Surface mould loves uncoated wood. Mould spores can settle into the surface of the wood, feeding of moisture, warmth and wood sugars. The discolouration caused from mould can be quite severe and visually unattractive. Severe surface mould can eventually lead to the premature decay of wood, though with highly durable timbers this is unlikely.
Increased cracking and movement
Uncoated timbers do not have the benefit of the moisture resistance afforded by a coating. Uncoated timbers crack or surface check quicker than coated timbers. Moisture is absorbed quicker by uncoated timber, causing increased swelling and contraction.
At Abodo we aim to change this. Abodo offers the UK the nation’s first manufacturer developed integrated timber and timber coating system. Our Protector coating is a penetrating wood oil designed to protect wood, while letting it evenly weather. Protector uses the latest in water borne oil technology combining refined plant oils, UV protection, advanced water barrier composition and an enhanced fungicidal package for superior exterior performance.
Combined with the natural weathering tendencies of Vulcan Cladding, Patina achieves an even silvery grey, with little chance of discolouration.