🌊 Premium Hot Tub Cover 210 x 210 cm (R15) – Weathershield Protection
Premium protection for your hot tub, built to withstand UK weather.
🛁 Product Overview
This Premium Hot Tub Cover delivers outstanding insulation and weather protection for your square hot tub. Featuring advanced Weathershield fabric combined with an aluminium-wrapped foam core, this cover is engineered to excel in British conditions while keeping your spa water at the perfect temperature.
Designed for 210 cm x 210 cm square spas with 15 cm corner radius, this cover incorporates 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 use.
Certified to ASTM F 1346-91 safety standards, this cover offers both exceptional performance and reassurance. The Weathershield fabric exterior defends against sun and rain damage, preserving your spa water quality whilst reducing energy consumption.
💫 Key Features
- ✅ Weathershield Fabric – Robust exterior material resistant to sun and rain damage
- ✅ Aluminium-Wrapped Core – Advanced heat retention technology
- ✅ Tapered Design (12 cm to 8 cm) – Ensures efficient rainwater drainage
- ✅ 25 kg/m³ Foam Density – High-quality insulating foam core
- ✅ Galvanised Steel C-Channel – Strong structural reinforcement
- ✅ ASTM F 1346-91 Certified – Recognised safety certification
- ✅ 15 cm Skirt Length – Secure fit around spa edges
- ✅ Square Shape with Rounded Corners – 15 cm radius for precise fit
- ✅ Black Colour – Elegant finish for any installation
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| SKU | COV-12655 |
| Shape | Square (Rounded corners) |
| Length | 210 cm |
| Width | 210 cm |
| Corner Radius | 15 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 | 210 x 210 cm |
| Corner Radius | 15 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 210 cm size is one of the most popular dimensions for mid-sized family hot tubs. Verify your spa measurements before ordering.
🌡️ 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
🛠️ 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 210 x 210 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 210 cm x 210 cm with 15 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 210 cm a common hot tub size?
A: Yes, 210 cm x 210 cm is one of the most popular sizes for mid-sized family hot tubs, fitting 4-6 people comfortably.
👍 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 (210 x 210 cm, R15) 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. A popular choice for mid-sized family hot tubs.



