Roof penetration with mounted chimney

  • Erstellt am 2013-12-09 12:48:14

jochen35

2013-12-09 12:48:14
  • #1
Hello,

we want to have a wood stove with an attached chimney (BW 150) installed in our single-family house (bungalow). Since our living room does not have an intermediate ceiling and therefore directly adjoins the roof above, the stainless steel chimney should also be led directly through the roof and sit on top of the wood stove. For aesthetic reasons, we have chosen a brushed stainless steel chimney that does not require clamping bands.

The installation is of course to be carried out by a professional, whom we also want to commission shortly. Since professionals can also make mistakes based on experience, I would of course like to know myself what to pay attention to. Therefore, I have the following questions and would be very happy to receive your answers.

What should be considered when passing through the roof? How must this be realized so that the insulating properties are maintained and no thermal bridge occurs? And how should the vapor barrier and the underlay membrane be connected to the chimney to prevent the penetration of moisture and thus also mold infestation?

The roof structure looks as follows from inside to outside

16x110mm spruce profile boarding > 12.5mm fire protection gypsum board > 20mm wooden battens > 0.20mm PE foil as vapor barrier > 250mm mineral insulation material > 45x245 rafters > diffusion-open underlay membrane > 25mm counter-batten > 38x58mm battens > roof tiles

Regards Jochen
 

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