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Viega PureFlow PEX pipe and fittings have been listed by Underwriter Laboratories (UL) as approved for use in exposed fire sprinkler systems in basements. The UL listings mean builders and contractors are now able to use PureFlow, Viega’s versatile system of PEX pipe and fittings, throughout an entire residential fire sprinkler system. The listing eliminates the need for contractors who have used PureFlow PEX throughout a house to have to join it to pipe of another material in the basement.
The listings cover two types of ceiling. PureFlow can be installed and left exposed in wood joist ceiling assemblies where the following conditions are met:
PureFlow can be installed exposed across finished ceiling assemblies where the following conditions are met:
PureFlow is the PEX fire sprinkler system of choice for builders and retrofitters for its ease of installation, corrosion-free qualities and dependability. It’s the only PEX fire sprinkler system with an easy alignment bracket that eliminates the need for measuring when hanging pendants.