Sovereign Rainwater System
Technical Data Sheet
Document Reference: TDS-RW-SOV-001
Issue Date: February 2026
System: Sovereign Premium Profile
Product Description
The Kalsi Sovereign rainwater system is our premium offering for discerning homeowners and specifiers who demand the best. Featuring refined aesthetics, superior finish quality, and enhanced performance characteristics, Sovereign delivers exceptional results on high-end residential and prestige commercial projects.
System Dimensions
Gutter
| Dimension | Value | Tolerance |
|---|---|---|
| Profile width (top) | 125mm | ±1mm |
| Profile depth | 68mm | ±1mm |
| Wall thickness | 2.4mm | ±0.2mm |
| Available lengths | 4m | ±5mm |
| Weight | 0.78 kg/m | - |
Downpipe
| Dimension | Value | Tolerance |
|---|---|---|
| External diameter | 75mm | ±0.5mm |
| Internal diameter | 68mm | ±0.5mm |
| Wall thickness | 3.5mm | ±0.2mm |
| Available lengths | 2.5m, 4m | ±5mm |
| Weight | 0.68 kg/m | - |
Hydraulic Performance
Gutter Flow Capacity
| Gradient | Outlet Position | Flow Rate |
|---|---|---|
| 1:600 | End outlet | 1.68 L/s |
| 1:350 | End outlet | 2.05 L/s |
| Level | Centre outlet | 3.00 L/s |
Maximum Effective Roof Area
| Rainfall Intensity | Max Roof Area |
|---|---|
| 75mm/hr (standard) | 143m² |
| 100mm/hr (exposed) | 107m² |
| 150mm/hr (high exposure) | 71m² |
Material Specification
| Property | Specification |
|---|---|
| Material | PVC-U premium grade |
| Standard | BS EN 607:2004 |
| Formulation | Lead-free, cadmium-free |
| UV stabilisation | Premium co-extruded cap |
| Surface finish | High-gloss premium |
Premium Features
- Enhanced UV stability for superior colour retention
- High-gloss surface finish
- Precision tolerances
- Premium rubber seals
Colour Options
| Colour | Part Code Suffix | Availability |
|---|---|---|
| White | W | Standard stock |
| Black | BL | Standard stock |
Product Range Summary
Gutters
| Description | Part Code | Pack Qty |
|---|---|---|
| 125mm Sovereign Gutter 4m | SVG4* | 4 |
Angles
| Description | Part Code | Angle | Pack Qty |
|---|---|---|---|
| 90° Gutter Angle | SVA90* | 90° | 15 |
| 135° Gutter Angle | SVA135* | 135° | 15 |
Stop Ends & Outlets
| Description | Part Code | Pack Qty |
|---|---|---|
| External Stop End | SVE1* | 50 |
| Internal Stop End | SVE2* | 50 |
| Running Outlet | SVO1* | 15 |
Brackets
| Description | Part Code | Pack Qty |
|---|---|---|
| Fascia Bracket | SVK1* | 50 |
| Union Bracket | SVU1* | 25 |
Downpipes
| Description | Part Code | Length | Pack Qty |
|---|---|---|---|
| 75mm Round Downpipe | SVP2.5* | 2.5m | 6 |
| 75mm Round Downpipe | SVP4* | 4m | 4 |
Downpipe Fittings
| Description | Part Code | Pack Qty |
|---|---|---|
| 92.5° Offset Bend | SVB1* | 25 |
| 112.5° Offset Bend | SVB2* | 25 |
| Pipe Shoe | SVB3* | 25 |
| Pipe Clip | SVC1* | 75 |
| Pipe Socket | SVS1* | 40 |
Applications
Ideal For
- Executive homes
- Luxury developments
- Architect-designed properties
- Premium refurbishments
- Show homes
- High-visibility elevations
Installation Guidelines
Gutter Installation
- Maximum bracket spacing: 850mm
- Near joints/fittings: Within 150mm
- Minimum fall: 1:600
- Expansion gap: 10mm at union joints
Premium Installation Notes
- Handle with clean gloves to prevent marking
- Protect from site damage during construction
- Final installation after external decoration recommended
Standards Compliance
- ✓ BS EN 607:2004
- ✓ BSI Kitemark certified
- ✓ Lead-free formulation
- ✓ ISO 9001:2015 manufactured
- ✓ UK manufactured
Guarantee
Product Guarantee: 10 years against manufacturing defects
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