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Old 05-07-2012, 07:02 PM   #1
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Wooden Canopy- is it safe?

Hi,

I'm building a canopy using 5"x1" soft wood.

And using 10mm green MDF for lid.

Do I need to treat the timber or is it even to safe to use any of the above?

Thank you.
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Old 05-07-2012, 07:08 PM   #2
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Not sure what you mean by soft wood. As for mdf I'd definitely treat it with a coat or two of urethane. It soaks up humidity really well. You definitely don't want mildew and structural issues down the road.
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Old 05-07-2012, 07:10 PM   #3
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Personally, I'd coat all of them with a sealer. Both the soft wood and the MDF will absorb water, and there are not too many spots that have more water available in the air than on top of an aquarium. I've used softwoods (specifically pine) to build canopies, and it can be done, provided you get several good coats of a sealer on them to keep them from absorbing water. The MDF, I can't say, but I personally would be pretty hesitant to use it.
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Old 05-07-2012, 07:15 PM   #4
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is urethane safe then for aquarium?
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Old 05-08-2012, 02:55 AM   #5
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Quote:
Originally Posted by Neo79
is urethane safe then for aquarium?
Once fully cured and dry urethane is fine. Used it to coat my canopy after staining. Everything is good after a year.
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Old 05-08-2012, 06:19 AM   #6
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Sorry about 101 questions.
What I meant is it safe to use it for inside the canopy?
Water evaporates and may drip back in the tank and just want to make sure what is safe etc.
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Old 05-08-2012, 08:20 AM   #7
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Yes, you will want to use it inside and out. Splashes of water can get up to the canopy from your filter. Protecting the outside is a good idea too so when you do water changes and splash around it won't damage the wood.

A couple coats of poly and you'll be good to go for years. It also makes cleaning it up easier as the dirt and gunk doesn't get down into the grain of the wood.
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Old 05-08-2012, 09:30 AM   #8
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Thank you everyone.

I'll grab a tin tomorrow.

I'll do 3 coats. That should be enough then
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Old 05-15-2012, 02:18 PM   #9
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Quote:
Originally Posted by Neo79 View Post
Thank you everyone.

I'll grab a tin tomorrow.

I'll do 3 coats. That should be enough then
If you haven't built the canopy yet, you may want to seal it before you do final assembly. Any spot where water can get in it will. Then give a couple of coats after it's put together.
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Old 05-15-2012, 04:32 PM   #10
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I'll seal all corners and gaps with silicone.

Thank you everyone. Really useful tips & advice
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