Fencing Question

Green markings on my new redwood garden gate

I have just had a new redwood garden gate fitted to my property. The gate did not arrive already treated. It was fitted and within one week (exactly) was treated with oil preserve treatment by someone who suggested that was the best way to go, as I was not keen on staining the wood as I rather liked the colour as it was.

I have noticed two or three green patches showing up. I wonder if you could tell me what these are please and if there is anything I can do to remove them?

Many Thanks

3 Answers

The question you have asked is slightly vague but this may be due to a reaction between the oil treatment and the chemicals comprised within the redwood. The only other thing I could suggest from the description of "green patches" is that it could be mould like you will see on old fences, but to be honest I would highly doubt it as your gate would seem far to new for any growth like that to occur. You may never get the old colour back to where the green patches have formed if it is due to a reaction so the best advice I would suggest in this case would be to find a coating that you can use to mask it over and get it as close to the original colour as possible.

All the best.
Chris

Answered 12th Dec 2014

Mighty Oaks Landscaping Services

Member since 9 Dec 2014

Hello, It's hard to tell without seeing it but it sounds like the gate hasn't been treated properly and has started to form mould on it. If it is mould, to prevent the gate getting any worse, you should take it off the hinges, lay flat and sand it down to remove the mould and also the existing preserver coating. Then keep applying a high quality penetrating oil so that the timber physically can't soak up any more. The gate should be re coated every year or so depending on the quality you wish to obtain although after the initial coating, it shouldn't require de hinging each year or such a heavy coating. The idea of laying it flat is so that as you treat it, there's no run off, letting gravity help push the oil into the timber giving it the best possible start to its life as a gate. Redwood is a lovely material but it does require a lot of time preparing if it's intended to last. As I say, the more time put into timber, the more time you will get out of it.

Answered 12th Dec 2014

ASR Landscaping Services

Member since 12 Dec 2014

Hi, sounds like mould, a 50/50 mix of linseed oil and white spirit, should remove it and also add to the preservation of you fence

Best Wishes

Answered 15th Jan 2015

Estuary Gardens Ltd

Member since 2 Dec 2014

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