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Plastic Underground Inspection Chamber

Polydrain Civils Inspection Chambers (320mm or 450mm) can be used as an alternative to traditional manholes up to depths of 1.2 metres. The riser is connected to a separate chamber base with a push fit joint, fitted with a ring seal. All Polydrain manufactured products are made from non-porous smooth material. The excellent design of the flow profile prevents the buildup of deposits and blockages.
Meets requirements of EN 7158:2001

Plastic Underground Inspection Chamber

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Polydrain 450 mm Inspection Cover - Riser
450 mm Inspection Cover - Riser

Inspection Chamber

£10.27 (incl. VAT) £13.00
Polydrain 450 mm Inspection Cover - Riser

Polydrain 450 mm Inspection Cover - Riser

£10.27 (incl. VAT)

Purpose: Used when a 450 mm diameter chamber has to be installed so that the top is below ground level. The riser can be cut to length and fits into the top of the chamber rising to ground level to terminate with a cover and frame. Fitting Tips: Depths of less than 1.2 metres can be achieved by cutting the riser between the ribbed sections. The ...


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Polydrain 320 mm Inspection Cover - Riser
320 mm Inspection Cover - Riser

Inspection Chamber

£5.54 (incl. VAT) £6.49
Polydrain 320 mm Inspection Cover - Riser

Polydrain 320 mm Inspection Cover - Riser

£5.54 (incl. VAT)

Purpose: Used when a shallow access chamber has to be installed so that the top is below ground level. The riser can be cut to length and fits into the top of the shallow access chamber rising to ground level to terminate with a cover and frame. Fitting Tips: 320 mm Inspection Chambers can be used as an alternative to traditional manholes for de...


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