The Nubian vault is an African technique for the construction of timberless vaulted roofs.

The AVN (Association la Voute Nubienne),through its Program ’Earth roofs in the Sahel’,helps provide families in sub-Saharan Africa with comfortable, sustainable, affordable, homes.

Understand
  > the problem
bush timber traditionally used for roof construction is now scarce,so families often purchase expensive, imported, sheet metal roofing and sawn timber
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  > the VN technical solution
to build solid vaulted roofs from earth bricks – a readily available, free, resource that can be made on-site with local labor
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  > the VN Program
promotes the VN technique to effect a large scale and sustainable improvement in housing conditions in sub-Saharan Africa
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