The applied material

	The used copper grid under the LINDENOK® , is a beautiful and firm product and much are more durable than traditional grid. You can order this grid by getting in touch with thatcherscompany of Van der Linde.
	We use 0.8 mm copperplate With a melting point of 1083 degrees Celcius (1981.4 Fahrenheit) Linear coefficient of expansion 20-200 degrees 1,73 mm/meter.
	The ridge is finished with RVS-ribs, to keep the original characteristics.
	The ridge can be finished with copper ribs. This is available in a round shape.
.	We default use redcopper for our product. Optional we use: tecuzin (pretinned copper) aluminium stainless steel zinc