💧 Premium Hot Tub Cover 239 x 239 cm (R10) – Weathershield Protection
Durable, professional-grade spa cover for your extra-large hot tub.
♨️ Product Overview
This Premium Hot Tub Cover offers outstanding thermal efficiency and lasting weather protection for your extra-large square hot tub. Engineered with premium Weathershield fabric and an aluminium-wrapped foam core, this cover is built to excel in British conditions while keeping your spa water at the perfect temperature.
Designed for 239 cm x 239 cm square spas with 10 cm corner radius, this cover features a tapered foam construction (12 cm centre to 8 cm edge) that channels rainwater away efficiently. The galvanised steel C-channel reinforcement ensures the cover maintains its structural integrity through years of regular use.
The 239 cm dimension is the largest in the premium square cover range, making it ideal for extra-large party spas and commercial-sized hot tubs. Certified to ASTM F 1346-91 safety standards, this cover delivers both exceptional performance and complete peace of mind.
🌟 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 – Durable 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 tighter corners
- ✅ Black Colour – Classic finish for any installation
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| SKU | COV-12653 |
| Shape | Square (Rounded corners) |
| Length | 239 cm |
| Width | 239 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 | 239 x 239 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 239 cm dimension is the largest in the premium square cover range, designed for extra-large party spas and commercial-sized hot tubs. 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 offers 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
💡 Note: Due to the larger size, consider having a second person assist with positioning.
🧹 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 239 x 239 cm spas |
| 🏠 Garden spa | ✅ Excellent | Weathershield fabric ideal for outdoor use |
| 🏢 Holiday let | ✅ Excellent | Durable construction for frequent use |
| 🏢 Extra-large party spa | ✅ Excellent | Suitable for 8+ person hot tubs |
ℹ️ Frequently Asked Questions
Q: What size spa does this cover fit?
A: This cover is designed for square spas measuring 239 x 239 cm with 10 cm corner radius.
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.
Q: Is 239 cm the largest size available?
A: Yes, 239 cm x 239 cm is the largest dimension in the premium square hot tub cover range, suitable for extra-large party spas and commercial-sized hot tubs.
Q: Will I need help lifting this cover?
A: Due to its larger size, using a cover lifter or having a second person assist is recommended for ease of use.
🏆 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 (239 x 239 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. The largest size in the premium square range, ideal for extra-large party spas and commercial hot tubs with 10 cm corner radius.



