[Strawbale] Green Roof

Dipl.-Ing. Arch. Dirk Scharmer info at wand4...
Tue Sep 30 08:49:59 CEST 2003

This summer we did two green roofs (pics under www.fasba.de/projekte)
In German it´s called " extensive roof planting"

Construction beams in between strawbales 6cm ventilation
Wooden- "Groove and feather boards";-)
Thin PE foil as a separation 
India rubber EPDM foil (we used Alwitra evalastic V 10,20€/m2, it's root
and waterproof, homogeneous weldable with a hot-air "hair dryer" UV
steadily with small temperature stretch)
In between: loose Straw or Polyester fleece
Very important for small weight (110-180Kg/m2 for green roof): the
correct substrate with "blowing tone" etc..., if you this, then you can
save an extra drainage layer

Let`s see, how it works

Dirk Scharmer

Architekturbüro WAND4
Dipl.- Ing. Architekt
Dirk Scharmer
Auf der Rübekuhle 10
D-21335 Lüneburg
Tel. +49 4131- 727804
Fax. +49 4131- 727805 

-----Ursprüngliche Nachricht-----
Von: strawbale-admin at amper....muni.cz
[mailto:strawbale-admin at amper....muni.cz] Im Auftrag von Sven Aerts
Gesendet: Dienstag, 30. September 2003 00:13
An: strawbale at amper....muni.cz
Betreff: Re: [Strawbale] Re: Green Roof

Do you remember why straw rots and coconut shell doesn't ?

On Friday, September 26, 2003, at 12:26PM, Cyber-Oi!
<dedapperekoe at yahoo...> wrote:

>Dear Herwig,
>A green roof could consist of the following layers
>(inside to outside):
>*OSB-board (or other board)
>*Insulation (could be bales, if you ventilate between
>this layer and the next)
>*Drainage layer (hardended clay marbles (Dutch
>'geexpandeerde kleikorrels')
>(*water-open layer that lets water run through, but
>prevent the growth layer from flushing away)
>*Growth layer: Compost mixed with various seeds.
>Walter Faas
>Leiden, the Netherlands
>> Message: 2
>> From: "Herwig Van Soom" <orcaarchi at skynet...>
>> To: "Strawbalelist (E-mail)"
>> <strawbale at amper....muni.cz>
>> Date: Thu, 25 Sep 2003 18:13:40 +0200
>> Subject: [Strawbale] FW: green roof
>> Reply-To: strawbale at amper....muni.cz
>> We are looking for a composition of a cheap and easy
>> green roof
>> construction;
>> The idea is as follows:
>> construction beams
>> OSB- board
>> EPDM (rubber: root- and watherproof)
>> ? bales or lose straw
>> ? earth
>> ? grass
>> Herwig Van Soom
>> Orca
>> Blijde inkomststraat 35
>> 3000     Leuven
>> --__--__--
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>> Strawbale mailing list
>> Strawbale at amper....muni.cz
>> http://amper.ped.muni.cz/mailman/listinfo/strawbale
>> End of Strawbale Digest 
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AERTSSven at mac...
Have a nice day...

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