Polypipe Underground Drainage 460mm Concrete Cover & Frame 

Polypipe Underground Drainage 460mm Concrete Cover & Frame - UG497

Polypipe Underground Drain BS4660/2000. PVCU 

Polypipe below ground drainage systems are:

• Adopted by UK water companies under Sewers for Adoption 7 and Sewers for Scotland
• Kitemarked to BS EN 13476, BE EN 1401 and WIS 4-35-01
• BBA Approved
• Pipes manufactured to stiffness classification SN8