Heating Oil storage tank - Steel or Plastic ?

Heating Oil storage tank - Steel or Plastic ?

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Discussion

sparkythecat

Original Poster:

7,902 posts

255 months

Tuesday 12th June 2012
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I need to replace my 2000litre heating oil tank with a new bunded tank and am trying to decide whether to choose steel or plastic.
One would think plastic is the obvious choice, but for the same storage capacity, steel tanks are physically smaller than plastic ones and whilst they may in time rust, they are generally less susceptible to damage.
Are there any other factors or options I should consider?

Wings

5,814 posts

215 months

Tuesday 12th June 2012
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Steel better for security, with plastic obviously being easier to drill and siphon off heating oil.

Gingerbread Man

9,171 posts

213 months

Tuesday 12th June 2012
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Plastic tanks are meant to be a lot better for condensation problems.

finishing touch

809 posts

167 months

Wednesday 13th June 2012
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I am firmly in the steel camp.


About five years ago my next door neighbor and I both changed from solid fuel to oil.

He went for a non bunded tank in plastic and I made my own from 3mm steel.
Last year his split around the top, (they don't like the sun) but was covered by a ten year guarantee. He has paid the extra and it's now been replaced with a bunded plastic one.
Apparently the company no longer gives a ten year guarantee, and in my opinion that speaks for itself.

BTW, I did offer to make him a steel one at material only cost.

Cheers,
Paul G


danrc

2,750 posts

210 months

Wednesday 13th June 2012
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On the flip side, I have a plastic one in my garden in direct sunlight and has been for the past 9 years. All good.

If you do get one, store it out of sight as they are fairly ugly buggers.

Ray meerkat

197 posts

142 months

Tuesday 19th June 2012
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Plastic tank.... I built a shed over mine, no direct sunlight and no one can drill the tank smile
No one knows it's there except me and the oil company who fills it up lol

pikeyboy

2,349 posts

214 months

Tuesday 19th June 2012
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We have an older steel one. If I was buying another one it'd be better positioned to be safer the cheapest. If the s are after it they'll drill plastic or steel to syphon/drain it off.

cerbfan

1,159 posts

227 months

Tuesday 19th June 2012
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I'd suggest neither and replace it with a wood pellet boiler, cheaper to run especially if you can manage to get the commercial RHI grant which is now available. We have just had ours installed in the Nursery to replace 2 ageing gas boilers and its great.

You can get pellet heads that retrofit straight into your oil boiler apparently.

blueg33

35,901 posts

224 months

Tuesday 19th June 2012
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After problems with steel ones rusting and having failed welds. We have plastic, out of the sun 6 years old and still like new.

It was much easier to install than steel as its lighter and was easier to manouver

monthefish

20,443 posts

231 months

Tuesday 19th June 2012
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Ray meerkat said:
Plastic tank.... I built a shed over mine, no direct sunlight and no one can drill the tank smile
No one knows it's there except me and the oil company who fills it up lol
That's not a bad idea that....

What are the downsides to that? Fire/wooden shed spring to mind but is it any more likely to be a fire risk if enclosed? (assuming plenty of ventilation)

blueg33

35,901 posts

224 months

Tuesday 19th June 2012
quotequote all
monthefish said:
That's not a bad idea that....

What are the downsides to that? Fire/wooden shed spring to mind but is it any more likely to be a fire risk if enclosed? (assuming plenty of ventilation)
Current regs say that if the tank is near a fence then the fence has to be lined with fireboard, I suspects its the same with a shed. You would want very good ventilation to save the build up of fumes.

Ours is under the overhanging branches of a tree and hidden by trellis with climbers over it. Works a treat, its well hidden, well ventilated, protected from the sun etc

Ray meerkat

197 posts

142 months

Tuesday 19th June 2012
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blueg33 said:
Current regs say that if the tank is near a fence then the fence has to be lined with fireboard, I suspects its the same with a shed. You would want very good ventilation to save the build up of fumes.

Ours is under the overhanging branches of a tree and hidden by trellis with climbers over it. Works a treat, its well hidden, well ventilated, protected from the sun etc
My shed is fire boarded all inside yes, it was £30 a sheet for it from the local wood yard. As of vents i replaced the flat roof with chicken wire as the oil tank has a breather on top and needs good ventilation. I would rather do this than fill my oil tank twice in 1 week smile

Ferg

15,242 posts

257 months

Tuesday 19th June 2012
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monthefish said:
That's not a bad idea that....

What are the downsides to that? Fire/wooden shed spring to mind but is it any more likely to be a fire risk if enclosed? (assuming plenty of ventilation)
The downside is that it's not legal from a Building Regs point of view, as I see it.

Gingerbread Man

9,171 posts

213 months

Tuesday 19th June 2012
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Ferg said:
The downside is that it's not legal from a Building Regs point of view, as I see it.
Had an oil tank recently that was next to their detached wooden garage. The roof of the garage extended down further on one side to create a sheltered wood store. The oil tank was also sheltered by this overhang.

We had to clad the surrounding area of wood (feather edge) and wooden columns in fireproof board. Then create a wall out of the board to separate the tank from the wood store.

sparkythecat

Original Poster:

7,902 posts

255 months

Friday 22nd June 2012
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After much deliberating, I've ordered one of these rascals.

The manufacturer is a local company http://www.fuelproof.co.uk/domesticheatingoiltanks...
I've concreted the new base for it and it's being delivered next week. My installation is fully compliant with building regs and my near neighbour who is a boiler engineer has the necessary qualifiaction to sign it off

janou

1 posts

115 months

Friday 26th September 2014
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Did you choose a bunded tank then? What size is suitable for a 3 bed house?

monthefish

20,443 posts

231 months

Friday 26th September 2014
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1000l should be sufficient for a 3bed house.

bimsb6

8,041 posts

221 months

Friday 26th September 2014
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janou said:
Did you choose a bunded tank then? What size is suitable for a 3 bed house?
Depends if the house is full of old people , the bigger the tank the better really as you can get away with 1 fill a year and buy when the oil is cheapest , we have a 4 bed and have a 1300 litre tank we don't have 2 fills a year more like 2 every 14/15 months .

blade7

11,311 posts

216 months

Friday 26th September 2014
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Ray meerkat said:
Plastic tank.... I built a shed over mine, no direct sunlight and no one can drill the tank smile
No one knows it's there except me and the oil company who fills it up lol
Unless the tank and feed line are underground it's easy for thieves to work out where it is.

sparkythecat

Original Poster:

7,902 posts

255 months

Saturday 27th September 2014
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janou said:
Did you choose a bunded tank then? What size is suitable for a 3 bed house?
Yes I chose a bounded tank .The one I bought was 1800litres which is adequate for a 3 bed house