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Vertical welds (recommended):
There will be a weld on average each 1.35 meters and whole strips are used.
In center or in extremities there will be a smaller strip in agreement with use of material. In lateral ones, there will be reinforcement in Crystal (equal amendment) of 2.5 centimeters.
In sense of vertical welds shrink doesn't exist, however, when opening awning crystal they will appear waves, which will disappear in few minutess.
Comparing with horizontal weld, that vertical method " glues " less when coiled.
About Author:
Carlos Mello is Director of Arquitetoldos, an awnings manufacturing company. See sites http://www.amx.com.br/toldos and http://toldos-toldo-coberturas-aluguel-dias-rio-de-janeiro-recreio.us .
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