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[cuppa]

Please pardon my ignorance but I am uncertain as to the best finish to apply to wood that is in close proximity to a steam plant.........

Any advice will be gratefully recieved.

Many thanks
                  Jon

[derekwarner]

Hullo Jon....

If we are talking about our typical model marine steam plant........the  highest temperature of the boiler casing or steam discharge line is in the order of 150 degrees C  ....however these can be lagged to retain heat & minimise the effect on other components

You need an adaquate air circulation/corridor between steam components ..... & the wooden hull structure

Varnish?..... ... even the modern polyurathane spray or brush on products are limited to ~~~~~~~80 degrees C

Why not post an image of the plant in the hull....... Derek

[cuppa]

Hi Derek

Sorry - I did not explain myself very well in my first post. I was wondering what finish would work on the bearers that mount the steam plant to the hull. I have a cheddar steam plant that sits on a brass tray. I was planning on mounting this tray on to wooden bearers and was wondering how best to apply a sealing finish to the bearers?

Cheers
          Jon

[NickKK]

Engine Laquer might be more of a reliable coating ... I don't know for sure if it would be suitable ?  But it is a high temprature varnish for petrol engines.

Nick

[gondolier88]

'Le Tonkinois' varnish resists boiling very well so would resist what little temperature the bearers will get.

Greg

[cuppa]

Thanks Greg

Cheers
          Jon

[HS93 (RIP)]

Cheddar models used polyurethane for years on there boiler lagging touching the boiler so I think it should be fine as a coating for some bearers under the brass plate.

Peter

[cuppa]

Thanks Peter

I will follow Cheddar's lead.

Cheers
          Jon