300mm Inspection Chamber Riser 200mm Depth
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Mon 27 Oct
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- 15hrs
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Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £10 ex. VAT |
| Over £300 ex. VAT | FREE |
| Insulation, Plasterboard and Drylining Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{height}} Extends the height of 300mm inspection chambers
- {{water_drop}} Secure, watertight extension
- {{route}} Suitable for both foul and surface water drainage systems
- {{format_line_spacing}} Can be stacked to achieve required chamber depth
Technical Specification
| Product: | Riser |
|---|---|
| Material Type: | PVC |
| Sales Unit: | Each |
| Manufacturer's Reference: | D822 |
| Diameter: | 300mm |
| Depth: | 200mm |
Product Overview
300mm Inspection Chamber Riser with 200mm depth designed to extend the height of 300mm inspection chambers. Used in underground drainage installations, this riser ensures chamber covers can be set to the correct ground level while maintaining access for inspection and maintenance.
Manufactured in durable, high-strength material, the riser provides a secure, watertight extension to the chamber system. It integrates precisely with 300mm inspection chamber bases and additional risers where greater depth is required.
The 200mm depth allows for flexible adjustment in chamber height without compromising performance. Multiple risers can be stacked to achieve the necessary ground cover, making the component adaptable to different site conditions.
Suitable for both foul and surface water drainage, the riser offers long-term reliability in residential and light commercial applications. Its compact size makes handling and installation straightforward while maintaining system compliance.
Features & Benefits
- Durable construction: Manufactured from robust, long-lasting material for underground use.
- Height adjustment: Provides 200mm depth to bring chamber cover to finished ground level.
- System compatibility: Fits securely with 300mm inspection chamber bases and additional risers.
- Flexible installation: Can be stacked to achieve required chamber depth on site.
- Reliable performance: Suitable for foul and surface water drainage systems.
- Nominal size: 300mm inspection chamber riser with 200mm depth.
Applications
- Underground drainage: Extends chamber height for secure access at ground level.
- Residential projects: Provides flexible chamber depth in domestic drainage layouts.
- Light commercial works: Suitable for chamber extensions in small commercial drainage systems.
- Maintenance access: Ensures inspection points remain accessible after backfilling and landscaping.
Installation Guidance
- Preparation: Position riser directly on top of chamber base or another riser.
- Sealing: Ensure watertight joint connection using appropriate seals or locking mechanisms.
- Stacking: Add additional risers where greater chamber depth is required.
- Cover fitting: Complete assembly with a compatible 300mm chamber cover for surface access.
- Backfilling: Compact surrounding material evenly to maintain chamber stability.
Compliance & Performance
- Material standard: Manufactured to meet drainage system specifications for underground components.
- Load capacity: Designed to withstand ground loadings when correctly installed and backfilled.
- System suitability: Approved for use in both foul and surface water applications.
- Installation compliance: Meets Building Regulations requirements for inspection chamber construction.
- Important note: Ensure risers are correctly aligned and securely fitted to maintain watertight performance.
