Description of the material - Solar chimney

2x
transparent square platic sheets (acetate or pvc)
1x
transparent plastic sheet (acetate)
1x
1 cm thick square piece of expanded polystyrene (Sagex)
1x
strong square cardboard
1x
strong square cardboard
1x
strong square cardboard
1x
piece of rigid panel made up of a compact foam in between 2 sheets of white cardboard (Kapa line).
2x
pieces rigid panel made up of a compact foam in between 2 sheets of white cardboard (Kapa line).
2x
pieces rigid panel made up of a compact foam in between 2 sheets of white cardboard (Kapa line).
1x
aluminium plate
2x
thin slats of plywood
1x
4 cm diameter gutter tube
1x
round head pin
1x
rivet base
1x
flexibind (plastic binder)
1x
black paint spray
1x
insulating tape
1x
double-sided adhesive tape
1x
strong transparent adhesive tape

transparent plastic sheet (acetate)

Price	1 CHF (1 A4)
Can be purchased in any stationery shop.

Price	18 CHF (the m2)
Panels with polyurethane foam between 2 cardboards. Can be bought in a good stationary shop or suppliers for designers and decorators. You can also use expanded polystyrene (sagex) but the result will be less 'clean'.

Metallica rte de Marcolet 37 1023 Crissier 1001 Lausanne Tél. 021 631 23 00
Price	0.50 CHF (room)
Ask a tinsmith for spare pieces (a fine copper plate might do as well). For large quantities please contact a factory, for instance Metallica . Example:

Obi Brico - Migros
http://http://www.obi-brico.ch/fr/
Price	1.95 CHF
Bought in d.i.y shops (OBI or Hornbach)