timber preservative

Timber Properties and Decay. Part II

 

Brown Rot

White rot with mycelium

The following article was published by the Professional Pest Manager magazine in their August-September 2014 edition. It was the followup article/conclusion to the June-July 2014 edition.

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The prevention of wood rot falls into 2 categories, moisture barriers and timber preservatives. Moisture barriers can be any membrane like material that physically limits or stops moisture ingress. The most common forms of barriers are surface coatings such as paints, varnishes or specialised synthetic membranes. While these are usually brilliant in preventing moisture uptake, they do have a potential downside. If they begin to fail, the moisture can become trapped behind the barrier.

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Registered vs Unregistered Pesticides

Registration of Pesticides | APVMA | AgVet Legislation

I receive a lot of technical enquiries from the public about how to control timber decay. Mostly, it’s from someone have needs to repair an issue they have or wish to prevent it from occurring. There is one thing that crops up occasionally which is a concern; they sometimes mention they’ve heard of, or been recommended a product by someone. When asked the products name, I’ve never heard of it. A quick check on the APVMA’s Pubcris database often shows that it’s not a registered product! All products that are designed to kill another living thing are classified as pesticides under the AgVet legislation. So why is the registration of pesticides so important?

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