McAlpine ST90MB10-70 Shallow Black Shower Drain Waste — 70mm Height

McAlpine ST90MB10-70 Shallow Black Shower Drain Waste — 70mm Height

Features

This genuine McAlpine black shower waste is a premium, high-performance drainage system specifically engineered to complement modern dark bathroom trends. Bearing the manufacturer part number ST90MB10-70, its primary selling point is the stunning matte black textured ABS plastic top flange, making it the perfect visual match for black shower trays, dark slate enclosures, and black brassware fixtures. Beyond its looks, it features an ultra-shallow 70mm under-tray dimension, allowing it to slide into incredibly tight floor voids. Built from robust polypropylene, it comes complete with an adjustable 135-degree swivel bend and delivers an exceptional flow rate of 34 litres per minute, combining high-end contemporary aesthetics with class-leading drainage performance.

• Striking matte black textured ABS flange matches black shower trays and fixtures
• Ultra-shallow 70mm under-tray dimension fits into the tightest modern floor voids
• Genuine McAlpine professional plumbing hardware proudly manufactured in the UK
• Delivers an exceptional high-flow rate of 34 litres per minute to prevent water pooling
• Generous 110mm black top flange completely removes for quick, easy cleaning from above
• Designed specifically for contemporary shower trays with a standard 90mm hole
• Supplied with a versatile 135-degree directional bend and 1.5″ universal coupling nut
• Manufactured from high-impact polypropylene with an integrated 50mm foul water seal

Technical

• Brand: McAlpine
• Part Number: ST90MB10-70
• Finish: Matte Textured Black
• Top Flange Material: High-Impact Textured ABS Plastic
• Tray Hole Compatibility: 90mm Diameter Waste Hole
• Flange Size: 110mm Outer Diameter
• Overall Under-Tray Height: 70mm (Ultra-Low Profile)
• Water Seal Depth: 50mm
• Outlet Connection: 1.5″ BSP Thread / Universal Coupling
• Included Fitting: 135-Degree Bend (BSP Coupling Nut x 1.5″ Universal)
• Flow Rate: 42 Litres per Minute (Note: Tested at 34 L/min under constant 15mm head per BS EN 274-2:2002)
• Body Material: Rigid Polypropylene
• Certification: Conforms to BS EN 274-1:2002 and BS EN 274-2:2002

Details

Creating a flawless, modern black-themed bathroom is an absolute nightmare when standard plumbing fixtures clash with your design. Consequently, installing a standard white or chrome waste trap against a premium black shower tray breaks up the clean aesthetic, creating an ugly, mismatched distraction right in the middle of your enclosure. Furthermore, trying to force a high-flow trap into shallow modern floor joists often requires deep structural notching, causing severe installation delays. As a result, restricted voids can lead to poorly aligned pipework, causing slow drainage, foot-pooling, and eventual joint stress. This clunky setup creates hidden tracking leaks, rotting your joists and resulting in expensive ceiling repairs below.

Fortunately, installing this low-profile McAlpine black shower waste completely solves both design clashes and tight-space headaches. Specifically, the striking textured black flange blends seamlessly into dark trays, preserving your luxury, ultra-modern styling without compromise. Additionally, the ultra-compact 70mm deep body layout slides effortlessly into the shallowest floor gaps without needing structural modifications to your timber frames. The advanced internal dynamics dump an impressive 34 litres of water per minute down the drain, keeping your tray clear and puddle-free. With its fully removable top cap for quick cleaning from above, you get an elite, designer-approved, and permanently watertight installation.