♨️ Premium Hot Tub Cover 213.5 x 213.5 cm (R10) – Weathershield Protection
Superior insulation to keep your spa hot and energy bills low.
💧 Product Overview
This Premium Hot Tub Cover offers exceptional thermal performance and robust weather protection for your square hot tub. Built with premium Weathershield fabric and an aluminium-wrapped foam core, this cover is designed to thrive in UK conditions while maintaining your spa at the ideal temperature.
Sized for 213.5 cm x 213.5 cm square spas with 10 cm corner radius, this cover features a tapered foam design (12 cm centre to 8 cm edge) that directs rainwater away effectively. The galvanised steel C-channel reinforcement guarantees lasting structural support season after season.
Meeting ASTM F 1346-91 safety certification, this cover delivers both outstanding performance and peace of mind. The Weathershield fabric exterior protects against sun and rain damage, keeping your spa water pristine whilst helping to reduce running costs.
⭐ Key Features
- ✅ Weathershield Fabric – Premium exterior material resistant to sun and rain damage
- ✅ Aluminium-Wrapped Core – Enhanced heat retention technology
- ✅ Tapered Design (12 cm to 8 cm) – Promotes natural rainwater drainage
- ✅ 25 kg/m³ Foam Density – Quality insulating foam core
- ✅ Galvanised Steel C-Channel – Reliable structural reinforcement
- ✅ ASTM F 1346-91 Certified – Recognised safety standards
- ✅ 15 cm Skirt Length – Secure coverage around spa edges
- ✅ Square Shape with Rounded Corners – 10 cm radius for precise fit
- ✅ Black Colour – Classic appearance for any installation
📊 Technical Specifications
| Specification | Value |
|---|---|
| SKU | COV-12649 |
| Shape | Square (Rounded corners) |
| Length | 213.5 cm |
| Width | 213.5 cm |
| Corner Radius | 10 cm |
| Thickness (Centre) | 12 cm |
| Thickness (Edge) | 8 cm |
| Taper | 12 cm to 8 cm |
| Skirt Length | 15 cm |
| Cover Material | Weathershield Fabric |
| Colour | Black |
| Foam Density | 25 kg/m³ |
| Core Construction | Aluminium Wrapped |
| Structural Reinforcement | Galvanised Steel C-Channel |
| Certifications | ASTM F 1346-91 |
📏 Size Guide & Measuring Instructions
How to Measure Your Spa
| Measurement | How to Measure |
|---|---|
| Length | Measure longest side, outer edge to outer edge |
| Width | Measure shortest side, outer edge to outer edge |
| Corner Radius | Measure from corner to where curve begins |
| Skirt Drop | Measure from lip to desired cover edge |
This Cover Fits
| Dimension | Specification |
|---|---|
| Spa Size | 213.5 x 213.5 cm |
| Corner Radius | 10 cm |
| Shape | Square with rounded corners |
⚠️ Important: Measure your spa carefully. An ill-fitting cover reduces insulation efficiency and may not seal properly.
💡 Tip: The 213.5 cm dimension is common among many popular hot tub brands. This cover with 10 cm corner radius suits spas with tighter, more angular corners.
❄️ Insulation & Energy Efficiency
Insulation Performance
| Metric | Value |
|---|---|
| Centre Thickness | 12 cm |
| Edge Thickness | 8 cm |
| Foam Density | 25 kg/m³ |
| Core Enhancement | Aluminium Wrapped |
Design Benefits
The tapered foam construction provides multiple advantages:
- ✅ Water Runoff – The slope from 12 cm centre to 8 cm edge allows rainwater and debris to drain naturally
- ✅ Structural Support – Thicker centre section provides robust support under load
- ✅ Heat Retention – Aluminium wrapping reflects heat back into the spa water
⚙️ Materials & Construction
Exterior Cover
| Component | Specification |
|---|---|
| Material | Weathershield Fabric |
| Colour | Black |
| Protection | Sun and rain damage resistance |
Foam Core
| Component | Specification |
|---|---|
| Density | 25 kg/m³ |
| Enhancement | Aluminium Wrapped |
| Taper | 12 cm to 8 cm |
Structural Elements
| Component | Specification |
|---|---|
| Reinforcement | Galvanised Steel C-Channel |
| Certification | ASTM F 1346-91 |
☔ Weatherproofing & Durability
Weather Resistance
| Condition | Protection |
|---|---|
| ☀️ Sun Exposure | Weathershield fabric guards against UV damage |
| 🌧️ Rain/Water | Weathershield protection + tapered design for drainage |
| ❄️ Cold Weather | Aluminium-wrapped core for heat retention |
UK Weather Suitability
- ✅ Weathershield fabric engineered to withstand British weather conditions
- ✅ Tapered design promotes efficient water runoff during rain
- ✅ Galvanised steel reinforcement resists corrosion in damp climates
🔧 Installation Guide
Positioning Your Cover
- Position the cover – Place the cover on your spa with the hinge centred
- Check the fit – Ensure the skirt hangs evenly on all sides (15 cm skirt length)
- Verify seating – The cover should sit flat on the spa acrylic lip
- Secure with straps – Use straps to secure the cover in place
Installation Tips
⚠️ Ensure cover sits flat on spa acrylic lip
⚠️ Hinge should be centred across the spa
⚠️ Skirt should hang evenly on all sides
🔄 Care & Maintenance
Regular Maintenance
| Task | Frequency | Method |
|---|---|---|
| Clean surface | As needed | Mild soap and water |
| Condition fabric | Periodically | UV protectant spray |
| Check straps/clips | Regularly | Tighten or replace if worn |
| Inspect seams | Periodically | Look for cracks or separation |
| Clear debris | As needed | Soft brush or cloth |
Cleaning Tips
✅ Use pH-neutral cleaners only
✅ Rinse thoroughly after cleaning
❌ Never use abrasive cleaners
❌ Never use bleach or harsh chemicals
❌ Never pressure wash
Signs Replacement May Be Needed
- Waterlogged foam (cover feels heavy)
- Cracked or peeling exterior
- Broken or deteriorated hinge
- Visible mould inside foam
- Poor heat retention
🎯 Ideal Applications
| Application | Suitability | Notes |
|---|---|---|
| 🏠 Home hot tub | ✅ Excellent | Designed for domestic 213.5 x 213.5 cm spas |
| 🏠 Garden spa | ✅ Excellent | Weathershield fabric ideal for outdoor use |
| 🏢 Holiday let | ✅ Excellent | Durable construction for frequent use |
❓ Frequently Asked Questions
Q: What size spa does this cover fit?
A: This cover is designed for square spas measuring 213.5 cm x 213.5 cm with 10 cm corner radius.
Q: What is the difference between COV-12649 and COV-12652?
A: Both covers fit 213.5 x 213.5 cm spas. COV-12649 has a 10 cm corner radius (tighter corners), while COV-12652 has a 20 cm corner radius (more rounded corners). Choose based on your spa’s corner shape.
Q: What is the skirt length?
A: The skirt length is 15 cm, providing secure coverage around your spa edges.
Q: What thickness is the foam?
A: The cover features a tapered design with 12 cm thickness at the centre tapering to 8 cm at the edges.
Q: Does this cover meet safety standards?
A: Yes, this cover is ASTM F 1346-91 certified.
Q: What colour is this cover?
A: This cover is available in black with Weathershield fabric exterior.
Q: How do I know when to replace my cover?
A: General signs include waterlogged foam (cover feels heavy), cracked or peeling exterior, damaged hinge, or noticeably reduced heat retention.
🏆 Why Choose This Premium Hot Tub Cover
- ✅ Weathershield Fabric – Advanced protection against sun and rain damage
- ✅ Aluminium-Wrapped Core – Superior heat retention technology
- ✅ 25 kg/m³ Foam Density – Quality insulating material
- ✅ Galvanised Steel Reinforcement – Long-lasting structural support
- ✅ ASTM F 1346-91 Certified – Meets recognised safety standards
- ✅ Tapered Design – Efficient water drainage and robust support
🤝 Why Buy from Parts4Tubs
- ✅ UK-based company with local support
- ✅ Fast UK delivery
- ✅ Expert advice from spa specialists
- ✅ Competitive pricing
- ✅ Full warranty support
- ✅ Easy returns within 30 days
- ✅ Compatible accessories available
- ✅ Custom sizing assistance
🌟 Summary
This Premium Hot Tub Cover (213.5 x 213.5 cm, R10) features Weathershield fabric exterior with an aluminium-wrapped foam core at 25 kg/m³ density. The tapered design (12 cm to 8 cm) promotes efficient drainage while the galvanised steel C-channel provides structural integrity. ASTM F 1346-91 certified for safety. Complete with 15 cm skirt for secure coverage. Ideal for spas with 10 cm corner radius requiring this popular size.



