Hello!
I have a 1940s house with a wooden frame, a rendered facade with reed matting in its basic design. Renovated with additional stone wool insulation and thick plaster (Weber Serpmomin) in 2015.
I'm now considering building a sunroom and naturally want the connection to be correctly executed (gable roof with seam metal roofing with upturn against the facade).
Unfortunately, I've received poor and unclear responses from various craftsmen, so I feel that thorough preliminary work and planning is important for a good end result.
According to AMA 2018 and also Weber's own documents, each attachment should be made with a metal fastening plate that goes up behind the insulation and then ends at the level of the finished plaster. This is probably the only "proper" method, but it feels like extensive work on a relatively recently renovated facade.
I have also considered building the sunroom self-supporting and placing it close to the facade, and laying sill insulation (the foam variant that is about 5 mm thick) at the connection to the facade to create a floating sunroom.
I was wondering if anyone here has experience or tips on a solution?
I am attaching a simple sketch and drawing for the facade system
Haha, no, the response frequency was a bit sparse
The solution was fastening with 4 pcs 8x240 mm screws through the rafters closest to the facade. Drilled the holes slightly larger (10 mm) and filled with Tec7.
The stand flashing on the roof got a substantial seal, also there with Tec7. Not convinced it should be the permanent solution, but it has stayed watertight so far.
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