How to improve balcony drainage: best practices and products

Effective balcony drainage is essential to prevent water buildup, structural damage, and costly repairs. Following current guidelines like the NHBC Standards 2025, proper drainage design can ensure balconies remain safe, dry, and compliant. Here’s how to optimise your balcony drainage and why solutions like AliDrain are a smart choice.
 
Best Practices for Balcony Drainage

1. Encourage Effective Water Flow
Effective water flow is essential for keeping balconies safe and dry. A well-designed drainage system helps prevent water from pooling, reducing risks through enhancing safety.

2. Install Reliable, Deck-Level Drainage Solutions
Choose high-quality drainage outlets that sit flush with the decking to seamlessly collect and divert water. Systems like AliDrain integrate at deck level to capture runoff efficiently and keep the balcony surface clear of standing water.

3. Use Durable, Rust-Resistant Materials
Balconies are constantly exposed to the elements, so selecting rust-resistant materials is key. Aluminium drainage products, such as AliDrain, are built for long-term durability and require minimal maintenance, making them ideal for outdoor use.

4. Piped Drainage for Multi-Level Buildings
For multi-storey buildings, a piped drainage solution is ideal, as it carries water directly to ground level. This approach helps prevent water from spilling onto lower balconies, improving water management and safety throughout the building.

5. Consider Edge Drainage
Edge drainage can be a suitable solution if it meets specific criteria. Edge drainage allows water to flow off the balcony perimeter but must be carefully designed to prevent water from affecting lower balconies or walkways. Always consult with a professional to ensure edge drainage meets building regulations.
 
Why AliDrain?

AliDrain offers a high-performance solution specifically designed for balcony drainage:

Deck-Level Integration: Flush with the decking surface, AliDrain effectively captures runoff without disrupting aesthetics.
Corrosion-Resistant Aluminium: Built to withstand the elements, AliDrain is rust-resistant and low-maintenance.
BS 8579:2020 Compliant: AliDrain meets the latest British Standards, ensuring that your drainage system is both effective and compliant.

Common Drainage Issues and Solutions
Pooling Water: Installing AliDrain at the lowest point of a sloped surface can address standing water.
Clogged Outlets: AliDrain’s design reduces blockages, and it’s easy to clean if needed.
Overflow in Heavy Rain: AliDrain’s capacity handles heavy rainfall efficiently, especially when combined with soffit or piped drainage.
 
Investing in quality drainage like AliDrain is key to maintaining balcony safety and reducing maintenance costs. For more information on how AliDrain can enhance your balcony drainage and protect your property, get in touch with our team today.
Call us on 01622 534 038 or email info@alideck.co.uk – we’re here to help you find the perfect drainage solution for your needs.

Find out more about AliDeck & Milwood Group on their member profile page here

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