I've just finished and partially decorated a fireplace to house a log burner.
Can I drill & inject as low as possible some form of silicone to the inner leaf - I believe this is a technique.
-- Mike W
I've just finished and partially decorated a fireplace to house a log burner.
Can I drill & inject as low as possible some form of silicone to the inner leaf - I believe this is a technique.
-- Mike W
The damp should have dried up by now, hence you've still got water ingress somewhere, it this an external wall?
Your problem could simply be that you've no cowl on your chimney hence water is coming down the chimney and somehow finding its way into that area - you may find that it clears up once you've had your log burner going for a few weeks by drying out the chimney
Jon
Yes external wall. If it was coming down the chimey it would affect the upper part, not the lower. This smacks of rising damp to me. And like I say it was a problem before (with cowled flue), but I thought I'd solved it with the DPC in the constructional hearth.
I'd do a quick test for condensation. Just lean a tile against the damp bit and see if the face gets damp
My guess is that at some stage your house has been injection treated. A fire was in the fireplace and so they didn't treat that area. In my opinion you have 3 options.
In my experience most rising damp problems can be solved by step 2. In fact if injection is carried out and then the wrong render mix then you still usually get damp... what does that say about injection dpc's? But whilst old is stripped off a bit of injecting would do no harm... so long as chimney is also cavity construction. My guess is that it'll be solid brick.
If it were condensation then you would eventually expect to get black mould forming.
Hope it goes well. Calum Sabey NewArk Traditional Kitchens 01556 690544
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