0800 316 1217

info@kentsdirect.com

235mm Extension Riser

£15.57 Incl. VAT

Product Information

This 235mm extension riser is to be installed directly on top of the any of Large Access Chambers.

To finish at the correct ground height, the riser can be cut at any height.

A riser sealing ring must be used between risers to ensure the two parts are correctly seated and sealed.

The below table shows how many risers need to be used to get to the desired height up to 1200mm

Height (mm)2705057409751210
Number of Risers RequiredBase Only1234
Cover Required(D930) 450mm Opening(D930) 450mm Opening(D930) 450mm Opening(D930) 450mm Opening(D930) 450mm Opening

For between 1200mm and 300mm you are required to use a Restricted Access frame and cover

Height (mm)14451680191521502385262028553090
Number of Risers Required56789101112
Cover Required(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening(D931) 350mm Opening
SKU: D915 Category: