devongirl76 Posted December 14, 2017 Report Share Posted December 14, 2017 The sealant where our flue comes into the boat on the roof is coming away meaning we have a persistent drip (and subsequent hiss on the top of the stove) when it rains Will high heat resistant silicone do the job or do I need to use something else? Currently looks like black silicone type stuff has been used Link to comment Share on other sites More sharing options...
rusty69 Posted December 14, 2017 Report Share Posted December 14, 2017 6 minutes ago, devongirl76 said: The sealant where our flue comes into the boat on the roof is coming away meaning we have a persistent drip (and subsequent hiss on the top of the stove) when it rains Will high heat resistant silicone do the job or do I need to use something else? Currently looks like black silicone type stuff has been used Yes Link to comment Share on other sites More sharing options...
mrsmelly Posted December 14, 2017 Report Share Posted December 14, 2017 10 minutes ago, devongirl76 said: The sealant where our flue comes into the boat on the roof is coming away meaning we have a persistent drip (and subsequent hiss on the top of the stove) when it rains Will high heat resistant silicone do the job or do I need to use something else? Currently looks like black silicone type stuff has been used Yes it will. Are you sure of the point of water ingress? Link to comment Share on other sites More sharing options...
Dave Payne Posted December 14, 2017 Report Share Posted December 14, 2017 Yes, dont use cement, it just cracks, i used a 300 degree one and its still sealed ok. Link to comment Share on other sites More sharing options...
devongirl76 Posted December 14, 2017 Author Report Share Posted December 14, 2017 21 minutes ago, mrsmelly said: Yes it will. Are you sure of the point of water ingress? You can see the silicone is lifted and it then drips in from the brass ring on the underside of the flue so yes - pretty sure Link to comment Share on other sites More sharing options...
Sea Dog Posted December 14, 2017 Report Share Posted December 14, 2017 2 minutes ago, devongirl76 said: You can see the silicone is lifted and it then drips in from the brass ring on the underside of the flue so yes - pretty sure Water could be finding it's way into the insulation between the roof and your deck head (ceiling) so don't delay the fix too long. 1 Link to comment Share on other sites More sharing options...
Richard10002 Posted December 14, 2017 Report Share Posted December 14, 2017 (edited) Plumba is fine at ceiling height. Good up to 300C IIRC Edited December 14, 2017 by Richard10002 Link to comment Share on other sites More sharing options...
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