How long is the guarantee for BITULINE?
Onduline Avrasya gives written waterproofness guarantee for BITULINE ® water insulation membranes for a period of 10 years in case that the application is approved by our technical staff members and accessories of BITULINE® are used.
Different accessory usage makes the guarantee invalid.
Our company gives guarantee only for our product. The responsibility with regards to application belongs to the firm which performs the application.

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