The exterior wall of my summer house from 1964 looks odd. The wall consists of two plywood boards with something that looks like black paper in between. Does anyone know what this is?
Close-up of an old exterior wall showing a cross-section with two plywood layers and a black paper-like material between them. Hole in a plywood outer wall of a 1964 summer house, revealing a black paper-like material between two plywood panels.
The picture shows a previous exterior wall.
 
BigR
Vintage advertisement for Wellit insulation material featuring text in Swedish, an illustration of the material, and a refrigerator. Published in 1942.
 
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SågspånPappspikEternit and 1 other
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BigR BigR said:
[image]
Where do you dispose of this at the dump? Paper, wood, combustible?
 
M Martin Lj said:
Where do you throw this at the dump? Paper, wood, combustible?
And why is it black? Shouldn't it be brown like regular cardboard 🤔
 
BigR
The cardboard is dipped in a tar/bitumen mixture. Should be sorted as combustible, but the people at the recycling often want it in cardboard.
 
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Martin Lj
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