Noxyde Anti-Corrosion Coating
Ultimate water-based corrosion protection

Paint straight over prepared rust, stopping corrosion for decades.
Noxyde is the only anti-corrosion waterproofing membrane on the market that can be applied directly over clean, prepared rust — no separate primer required. For over 29 years it has protected New Zealand's most severe coastal environments, from saltwater estuary bridges to iconic steel roofs. It is also used to extend the life and safely encapsulate asbestos roofs, locking fibres in place and adding decades of waterproof protection without the cost of removal.
Problems it solves
- Leaking, rusting iron roofs that owners are told to replace
- Corrosion on coastal and industrial steelwork
- Coatings that crack and peel as substrates expand and contract
- Aged asbestos-cement roofs that need safe, cost-effective encapsulation instead of removal
Where it's used
Don't guess. Get the specification right first.
Noxyde® and Noxyde® Plus can solve a huge range of corrosion and waterproofing problems, but every job is different. A quick chat with our team can save you time, money and costly mistakes. We'll always give you straightforward, honest advice.
Talk to a specialistUltimate water-based corrosion protection
Noxyde is an anti-corrosion waterproof membrane that can be applied to a wide range of substrates to provide robust waterproofing and anti-corrosion protection. From bridges in saltwater estuaries, to air conditioning ducts on roofs, to safely encapsulating asbestos roofs with a waterproof membrane — Noxyde handles it all. It is the only anti-corrosion waterproofing membrane on the market and has been applied in many of New Zealand's most severe coastal corrosion environments for over 29 years. It requires no additional corrosion primers when applied to prepared rusty surfaces, because it contains its own anti-corrosion pigments and can be applied over clean rust. Noxyde also has excellent long-term UV tolerance and is the only roof coating membrane that can make the claim of not becoming brittle, retaining its elasticity indefinitely.
Description and uses
Noxyde Elastomeric Acrylic Coating is a high-performance, high-build, rust-preventative, water-based coating. Noxyde is self-priming and designed for marginally prepared, sound-rusted, or clean steel in mild to moderate industrial environments. It can also be used on concrete and has excellent elongation properties of 200%, making it suitable for bridging small cracks. This single-component coating resists corrosion, rust, and water even in severe marine environments. It can be top coated with multiple Rust-Oleum High Performance products for an extended service life. This coating complies with USDA FSIS regulatory sanitation performance standards for food establishment facilities.
Product features and benefits
- Direct-to-Metal, Self-Priming, High-Build Water-Based Formula
- Performs Like Zinc/Epoxy Coatings Without the Need to Abrasive Blast
- Provides Flexible Durability – Up to 200% Elongation
- Excellent Adhesion and Performance Over Minimal Surface Prep
- Dries in as Little as 1 Hour
- Can be applied down to 8°C (45°F)
- Ten-Year condition Rust-Proof Guarantee* — *applies when applied to specification by an approved applicator. Conditions apply.
New Zealand's marine environment is harsh on metal
Rust is a big problem in commercial environments due to the harsh marine environment found in New Zealand. Between the wind, rain, salt air and UV, our metal structures get battered daily. For these instances you need a proven heavy-duty coating and Noxyde is just that. The product can be painted straight over rust or corrosion, is UV resistant, extremely robust and used throughout New Zealand since 1993.
SkyTower structural steel — a real-world case
The Sky Tower structural steel needed a protective coating that would last. The exposed galvanized steel was corroding in Auckland's harsh marine environment. The galvanized steel was hand and power tool cleaned to prepare the surface for Noxyde to be spray applied.
Structural steel before and after Noxyde

Why Noxyde works on corroded steel
- Can be painted straight over prepared rust or corrosion
- UV resistant and extremely durable
- Used throughout New Zealand and proven since 1993
- Flexible up to 200% and contains 20% anti-corrosion pigments
- Extremely effective at preventing rust from forming due to incredible adhesion and durability
Proof on real jobs
See how tough Noxyde really is
Technical data
Everything technical for Noxyde Anti-Corrosion Coating, in one place.
Quick specs
- Type
- Single-pack elastomeric anti-corrosion membrane
- Substrates
- Steel, galvanised, aluminium, zinc, asbestos-cement, concrete, butynol, torch-on
- Surface prep
- Hand/power tool clean to St2–St3, or waterblast; no blasting required
- Coverage
- Theoretical coverage: 2.7 m²/L per coat at 175μ DFT (Requires 2 coats total)
- Recoat
- Approximately 4 hours with itself at 20°C & 50% RH
- Salt-spray testing
- Exceeds 4,000 hours
Products
1 x 16 litre (20kg) drum
| Code | Description |
|---|---|
| 5P.9002.20NZ | Off-White (Titania) |
| 5P.40.20NZ | White |
| 5P.9004.20NZ | Black |
| 5P.D587.20NZ | Mountain Mist |
PRODUCT PERFORMANCE GUARANTEE
A 10-year conditional product performance guarantee can be issued if applied by an approved Applicator and must be requested in writing prior to the application.
Surface preparation is essential
It is important to ensure that before painting over rust, the corroded surface is prepared properly. Please contact one of our rust-killer paint specialists at Modern Maintenance Products for advice on the correct preparation for your project.
Surface preparation
Remove all dirt, grease, oil, salt, or other contaminants by washing the surface with Krud Kutter® PRO Cleaner Degreaser, detergent, or other suitable cleaner per Solvent Cleaning Standard (SSPC-SP1). Rinse thoroughly with fresh water and allow to fully dry. Thoroughly cured, hard or glossy previous coatings which are very smooth may require scuff sanding to maximize adhesion. Hand tool (SSPC-SP-2) or power tool (SSPC-SP-3) clean to remove loose rust, scale, and deteriorated coatings to obtain a sound rusted surface. A rusted surface is considered sound when rust can no further be removed by scraping the surface by hand using a dull putty knife under moderate pressure. The surface may also be prepared using High Pressure Water Cleaning (HP WC), minimum pressure 5,000 psi, in accordance with SSPC-SP WJ-4/NACE WJ-4 Light Cleaning.
Priming
Normally not required. Exceptions include new galvanized steel, smooth metals, smooth concrete and existing coatings: prime with Noxyde thinned 15–20% with fresh water. Apply a tack coat 1.5–2.0 mils (37.5–50μ) dry, 2.5–3.5 mils (62.5–75μ) wet. Allow tack coat to dry 1–1.5 hours before application of full coat. Do not tint.
Application
Apply only when air and surface temperatures are between 45–130°F (8–35°C) and surface is at least 5°F (3°C) above dew point. Relative humidity should not be greater than 80%. The published recoat time may be extended when relative humidity is greater than 70%. A minimum of two coats are required for a total minimum dry film thickness of 14 mils (350μ). Apply two coats alternating colour between coats to ensure complete hide and coverage. For best results, Noxyde must be airless spray applied.
Equipment recommendations
| Method | Airless spray (recommended). Brush/roller for touch-up and spot priming only. Paint mitt for cable application only. Air-atomized spray not recommended. |
| Fluid pressure | 2,500 psi (minimum) |
| Fluid tip | 0.013–0.017 |
| Filter mesh | 60 |
Thinning
Normally not required. Thin 15–20% with clean fresh water when using as a prime coat on non-porous or smooth concrete or metal surfaces.
Clean-up
Water. Use Krud Kutter PRO Cleaner Degreaser or soap and water if material begins to dry.
Performance characteristics
- Abrasion resistance
- Method: ASTM D4060, CS-17 / 1,000 g / 1,000 cycles
- Result: 29 mg loss (0.029 g)
- Impact resistance
- Method: ASTM D2794
- Result: 160 inch pounds
- Flexibility
- Method: ASTM D522, Conical mandrel
- Result: 48%
- Initial elongation
- Method: ASTM D2370, Criteria ≥100%
- Result: At 75°F, 200%, Pass
- Initial tensile strength
- Method: ASTM D2370, Criteria ≥200 psi
- Result: At 75°F, 340 psi, Pass
- Adhesion, pull off
- Method: ASTM D4541
- Result: 747 psi (5.2 MPa), 2 coats @ 7 mils each, SP-10; 652 psi (4.5 MPa), 2 coats @ 7 mils each, WJ-4
- Cyclic weathering, Prohesion
- Method: ASTM D5894, 1,000 hours
- Result: 2 coats @ 7 mils each, SP-10 and WJ-4: Blistering 10 (none), spontaneous delamination none, visual scribe creep <0.5 mm
- Moist sulfur dioxide resistance
- Method: ASTM G87, 30 cycles
- Result: No effect
- 100% relative humidity exposure
- Method: ASTM D2247, 4,000 hours
- Result: No effect
Physical properties
| Resin type | Acrylic elastomeric |
| Pigment types | Titanium Dioxide, Zinc Phosphate |
| Solvents | Water |
| Weight per gallon | 10.1–11.1 lbs |
| Weight per liter | 1.20–1.35 kg |
| Solids by weight | 64 ± 3% |
| Solids by volume | 55 ± 3% |
| Volatile organic compounds | <100 g/L (0.83 lbs./gal.) |
| Recommended DFT per coat | 7.0 mils (150–175μ) minimum |
| Wet film to achieve DFT | 12.0–14.0 mils (300–350μ) |
| Practical coverage at recommended DFT | 110 sq. ft./gal. (2.7 m²/L), assuming 15% material loss |
| Tack free | 1 hour at 70–80°F (21–27°C) and 50% RH |
| Handle | 2–4 hours |
| Rain resistant | 3 hours |
| Recoat | 4 hours with itself; 16 hours for other finish coats |
| Full cure | 2 days |
| Dry fall properties | A minimum 8 foot drop is required to ensure overspray dries to removable dust at 77°F (25°C). Avoid overspray depositing on metal surfaces above 120°F (49°C). |
| Elongation at 70°F (21°C) | 200% |
| Dry heat resistance | 225°F (107°C) |
| Shelf life | 4 years in unopened containers, properly stored in a cool dry area. Do not allow to freeze. |
| Safety information | Warning! Protect from freezing. May cause eye and skin irritation. May be harmful if swallowed. For industrial or commercial use only. See the product Safety Data Sheet (SDS) and label warnings for additional safety information. |
Need the full technical data sheet, safety data sheet or a written specification? Request it here.
Projects using Noxyde Anti-Corrosion Coating
Real New Zealand and Pacific jobs where this system was specified and applied.

Orewa Community Hall
Read the project
Flour Mill Silo Waterproofing
Read the project
Hayes Common Cafe
Read the project
Hapuawhenua Viaduct
Read the project
Titirangi Asbestos Roof
Read the project
Nadi International Airport
Read the projectOften specified together
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