Newton PolyMaxx HA System

Reinforced Liquid-Applied Polymer Membrane System

Newton PolyMaxx HA is a seamless, hand‑applied, reinforced liquid‑applied polymer membrane system for deck and flat roof waterproofing. The system is designed for use on decks, flat roofs, protected and unprotected balconies, and walkways, with or without falls.

• Composition & performance: Reinforced hybrid‑polymer liquid coating, certified by the BBA, supported by a 20‑year warranty, and independently assessed with a service life exceeding 30 years under standard exposure conditions.
• Curing technology: Advanced polymer chemistry enables rapid curing; each coat typically achieves full cure within 30-40 minutes, regardless of temperature. This allows multi‑layer application and full system installation within a single working day, in all seasons.
• Bonding & durability: Fully bonded to the substrate, the membrane eliminates water tracking pathways. The reinforced structure provides flexibility, tensile strength, and long‑term resistance to mechanical and environmental stresses.
• Installation & QA: Exclusively installed by Newton‑approved contractors. Application is carried out by trained and carded operatives, with full documentation and quality assurance procedures provided as part of the warranted system.

One‑day installation. 30‑year protection. Zero compromise.

How PolyMaxx HA Works for Deck and Flat Roof Waterproofing

PolyMaxx HA is designed around a simple principle: a single waterproofing system that adapts reliably to different site conditions without changing how it is installed. Core components are combined as required to suit roof build-up, exposure, detailing, and programme, while installation remains consistent and repeatable. This allows the system to be tailored to the project without increasing complexity on site, delivering predictable, durable waterproofing performance.

System Highlights

• Flexible and durable thanks to unique hybrid-polymer technology
• Rapid-cure technology
• Fast application – typical curing times of 30 minutes per coat in all seasons – Applies to PolyMaxx HA, PolyMaxx HA Primer, PolyMaxx Sealer and PolyMaxx Grip Coating
• Can be applied to all common substrates
• Extremely economical refurbishment over tired and failing roof coverings with minimum disruption
• Tough and durable
• Choice of hard-wearing, decorative finishes providing anti-slip surfaces suitable for regular foot traffic
• Excellent abrasion resistance
• No fall needed – is suitable for zero fall, blue roof, and inverted roof applications
• Suitable for warm roof application, with or without grading to falls
• Fire Classification: BROOF (t4) to BS EN 13501-5:2005
• Resistant to root penetration of mosses, sedums and some wild flower species
• Suitable for green roofs

What Are The Typical Applications of PolyMaxx?

Waterproofing of decks, balconies and roofs:

• Covered or protected decks
• Buried decks
• Balconies and decks receiving foot traffic
• Warm roofs
• Zero fall, blue roofs or inverted rooms
• Green roofs

What are the Suitable Substrates for PolyMaxx?

• Concrete, screed and timber
• Liquid applied coatings
• Single-ply membranes such as EPDM or TPM
• Asphalt/tarmac, felt and bituminous coatings
• Steel
• GRP
• Warm roof insulation
• Concrete beams
• Beam & block

For more information on the Newton HydroCoat System and to find the products best suited to your project requirements, call our Technical Team on 01732 360 095 or email tech@newtonwaterproofing.co.uk.

PolyMaxx HA Applications

Rib Deck Waterproofing

PolyMaxx HA is purpose designed to waterproof exposed concrete structures and is well suited to rib deck applications where long-term durability, full adhesion, and seamless detailing are required.

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Reinforced Concrete Deck Waterproofing

PolyMaxx HA is suitable for new and existing reinforced concrete decks, with just the substrate preparation varying based on the concrete’s age, condition, and prior coatings.

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Beam & Block Waterproofing

The PolyMaxx HA system is perfect for applying to beam & block floors as it uses a stabilising ‘carrier’ layer to ensure a smooth, continuous surface and prevent water tracking across irregularities.

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Balcony Waterproofing

PolyMaxx HA is a reinforced, liquid-applied waterproofing system designed for exposed concrete structures like balconies, and is widely used on balconies in both new-build and refurbishment projects.

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