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Description
Premium High Build Vinyl Paint – Direct-to-Galvanised Exterior Coating
Professional-grade vinyl resin coating engineered for galvanised steel and ferrous metals without primer. Delivers exceptional adhesion, weather resistance, and long-term durability on agricultural buildings, industrial structures, gates, railings, and architectural metalwork.
Professional Performance Features
- Direct-to-Galvanised Application: Bonds directly to hot-dip galvanised steel, zinc-coated surfaces, and weathered galvanising without etch primer or pre-treatment
- High Build Formula: 80-100 micron dry film thickness per coat provides superior coverage and fills minor surface imperfections
- Non-Drip Technology: Thixotropic formulation prevents runs and sags on vertical surfaces – ideal for gates, railings, and structural steelwork
- Chip & Impact Resistant: Flexible vinyl resin accommodates metal expansion/contraction without cracking or peeling
- Chemical & Weather Resistant: Withstands agricultural chemicals, salt spray, UV exposure, and UK weather extremes
- Quick Drying System: Touch-dry in 1-2 hours, recoatable in 4-6 hours, full cure in 24 hours at 20°C
Technical Specification
| Property | Performance |
|---|---|
| Paint Type | Modified vinyl resin, single-pack |
| Finish | Semi-matt (15-25 gloss units at 60°) |
| Colour | Brown (RAL 8017 equivalent) |
| Pack Size | 5 Litres |
| Coverage Rate | 10-12 m² per litre (single coat on smooth surfaces) |
| Total Coverage | 50-60 m² per 5L tin |
| Dry Film Thickness | 80-100 microns per coat |
| Touch Dry | 1-2 hours at 20°C, 50% RH |
| Recoat Time | 4-6 hours (minimum) |
| Full Cure | 24 hours (light use) / 7 days (full hardness) |
| Application Temp | +5°C to +30°C (substrate and ambient) |
| Service Temp | -30°C to +80°C continuous |
| VOC Content | <420 g/L (EU 2004/42/EC category A/c) |
| Shelf Life | 24 months unopened in original container |
Application Guide
- Surface Preparation - Galvanised Steel: New galvanising: Degrease with white spirit or T-Wash. Allow to weather 6-12 months for optimal adhesion, or apply directly after degreasing. Weathered galvanising: Remove loose zinc, rust blooms, and contaminants. No primer required.
- Surface Preparation - Ferrous Metals: Remove all rust, mill scale, and loose paint. Abrade to bright metal or sound substrate. Apply directly to clean, dry steel – no primer needed for most applications.
- Surface Preparation - Previously Painted: Remove flaking paint. Abrade glossy surfaces with 120-grit paper. Clean thoroughly. Ensure compatibility by testing small area first.
- Mixing: Stir thoroughly for 3-4 minutes before use and periodically during application. High build formulation requires thorough mixing. Do not thin for brush/roller – thin up to 10% with xylene for spray only.
- Application Method: Brush: Use stiff synthetic bristle brush. Apply generous, even coats. Roller: 12mm medium-pile roller for smooth surfaces. Spray: Airless 0.017-0.021" tip, 2500-3000 PSI. Conventional spray not recommended due to high viscosity.
- Coat Application: Apply 2 coats for optimal protection. First coat seals and primes. Second coat provides full colour and weather protection. Maintain wet edge to avoid lap marks.
- Drying & Curing: Touch-dry 1-2 hours. Recoat after 4-6 hours (maximum 48 hours for inter-coat adhesion). Avoid heavy use for 24 hours. Full chemical resistance after 7 days.
Suitable Substrates
Typical Applications
- Agricultural buildings, barns, livestock housing, and farm structures
- Industrial cladding, roofing sheets, and corrugated metal panels
- Gates, railings, fencing, and perimeter security barriers
- Structural steelwork, RSJs, purlins, and framework
- Storage tanks, silos, and bulk containers (non-immersion)
- Garden furniture, planters, and outdoor metalwork
- Machinery housings, equipment guards, and protective covers
- Guttering, downpipes, and rainwater systems
- Shipping containers and portable buildings
Coverage & Pack Size Guide
| Surface Area | 5L Coverage | Application |
|---|---|---|
| 25 m² | 2 coats (recommended) | Small gate or fence section |
| 50 m² | 1 coat | Large gate or cladding panel |
| 15 m² | 3 coats (heavy duty) | High-exposure or corroded surfaces |
Coverage varies with substrate texture and porosity. Corrugated or profiled surfaces reduce coverage by 30-50%. Porous or rusty surfaces require additional material.
Performance & Compliance
Weather Resistance: Tested to BS 3900 for exterior durability. Withstands 1000+ hours salt spray (ASTM B117) on galvanised substrates without blistering.
Adhesion to Galvanised: Exceeds BS EN ISO 2409 cross-cut adhesion test (classification 0-1) on degreased galvanised steel.
Flexibility: Passes mandrel bend test (BS 3900-E1) demonstrating excellent flexibility for metal substrates subject to thermal movement.
VOC Compliance: Meets EU Directive 2004/42/EC category A/c (one-pack performance coatings).
Agricultural Use: Resistant to common agricultural chemicals including fertilizers, silage effluent, and livestock waste products.
Why No Primer Required?
This vinyl paint contains specialized zinc-reactive resins that chemically bond to galvanised surfaces, eliminating the need for etch primers or pre-treatment chemicals. The high-build formulation provides both priming and finishing properties in a single product, reducing labour time and material costs by up to 40% compared to traditional primer + topcoat systems.
Cost Savings: One product replaces two (primer + topcoat). Reduces application time from 2 days to 1 day on most projects.
Storage, Handling & Safety
Storage: Store in cool, dry conditions between +5°C and +25°C. Keep container tightly sealed. Protect from frost and direct sunlight. Stir thoroughly before use – high-build formulation may settle during storage.
Safety: Flammable liquid and vapour. Use in well-ventilated areas. Avoid skin and eye contact. Wear appropriate PPE (gloves, eye protection, respiratory protection in confined spaces). Keep away from ignition sources. Safety data sheet available on request.
Thinning: If thinning required for spray application, use xylene thinners only (max 10%). Do not use white spirit or other solvents – may affect adhesion and durability.
Disposal: Dispose of waste in accordance with local environmental regulations. Do not pour down drains. Empty containers can be recycled after drying.
Warranty & Delivery
Performance Guarantee: 7-year exterior durability on properly prepared galvanised steel substrates when applied in accordance with technical guidelines. 5-year guarantee on ferrous metals.
UK Delivery: Free standard delivery on orders over £100. Next-day and timed delivery options available. Hazardous goods shipping applies (UN1263 – flammable liquid).
Technical Support & Bulk Orders
Our coatings specialists provide free technical advice for substrate compatibility, surface preparation, application troubleshooting, and colour matching. Contact us for project-specific recommendations, site surveys for large installations, or bulk pricing for agricultural/industrial projects (20L and 205L drums available).
Frequently Asked Questions
- Can I really apply this directly to new galvanised steel without primer?
- Yes. The vinyl resin formulation is specifically designed to bond to zinc-coated surfaces. For best results on shiny new galvanising, degrease with white spirit or T-Wash and allow to dry. The paint will achieve excellent adhesion without etch primer. For critical applications, allow new galvanising to weather 6-12 months before painting.
- Will this paint stop rust on old steel?
- The paint provides excellent barrier protection against moisture and oxygen, preventing new rust formation. However, existing rust must be removed before application. For heavily corroded steel, consider using a rust converter or red oxide primer before topcoating for maximum protection.
- How does this compare to standard metal paint?
- This is a high-build vinyl system with significantly better adhesion to galvanised surfaces, higher film thickness (80-100 microns vs 30-40 microns), superior flexibility, and no primer requirement. Standard metal paints typically require etch primer on galvanised steel and provide thinner, less durable coatings.
- Can I use this on corrugated roofing sheets?
- Yes, it's ideal for corrugated and profiled metal roofing. The non-drip formulation prevents runs on vertical and angled surfaces. Note that corrugated profiles require 30-50% more paint than flat surfaces due to increased surface area. Use a brush or roller for best results on profiled surfaces.
- What's the best way to apply this on large agricultural buildings?
- For large areas, airless spray is most efficient (0.017-0.021" tip, 2500-3000 PSI). Thin up to 10% with xylene thinners if required. For smaller projects or touch-ups, brush or roller application works well. Always apply 2 coats for optimal protection on agricultural buildings exposed to harsh conditions.
- Will this paint fade in sunlight?
- The vinyl resin contains UV-resistant pigments that maintain colour stability for 5-7 years in typical UK conditions. Some fading may occur in extreme sun exposure (south-facing surfaces), but the protective properties remain intact. Brown and earth tones show less visible fading than bright colours.
- Can I apply this in winter?
- Yes, down to +5°C substrate and ambient temperature. Below 10°C, drying times will be extended significantly – expect 3-4 hours touch-dry and 8-12 hours recoat time. Do not apply if frost is forecast within 24 hours or if substrate is damp or frozen.
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