Isabella AIR Cirrus North 400 Porch Awning

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Proper living space from a porch awning – At 400 cm wide and around 275 cm deep, this gives you a genuinely usable lounge/dining area rather than just storage space

Air beam system makes setup far easier than poles – The IsaAir system uses a single inflation point with multi-point deflation, so pitching is quicker and less physically demanding

Premium Isabella materials throughout – Combines Isacryl breathable fabric with a durable roof, giving better comfort and longevity compared to cheaper polyester air awnings

Excellent ventilation for real-world use – Large side ventilation panels with mosquito nets allow airflow in hot weather without letting insects in

Expandable setup for extra space – Designed to accept extensions on either side, so you can grow your setup as your needs chang

• Front canopy: Integrated air beam canopy

• Ventilation: Large side vents with mosquito nets

• Roof panels: Light panels for brighter interior

Included as standard:

• Awning canvas

• Air beam system

• Pump

• Draught skirt

• Wheel arch cover

• Curtains

• Pegs and storage bags

This sits at the premium end of air porch awnings, and you feel it in both space and materials. It’s ideal if you stay put for a few days or longer and want a proper living area, not just a quick shelter. The trade-off is weight — it’s heavier than most air awnings, so feeding it through the rail is the hardest part. Once up though, the air system makes the rest straightforward.

If you’re unsure how this awning will fit your caravan, especially combined with other gear, don’t guess. Give us a quick call on 01452 730100 and we’ll help you check your van’s layout against the awning’s rail height and depth. We’d rather you get it right first time.

1. What type of awning is the Cirrus Coast 400?
It is an inflatable porch awning, not a full caravan awning.

2. What caravan height does it fit?
It fits rail heights between 242 cm and 255 cm.

3. How big is the awning?
It is 400 cm wide and approximately 275 cm deep.

4. How does the air system work?
It uses a single inflation point (IsaAir system) to inflate all beams.

5. Is it suitable for touring or seasonal use?
It is best suited for touring and longer stays, but not full seasonal pitching.

6. What material is it made from?
It uses Isacryl breathable acrylic walls and Isaroof polyester roof.

7. Does it have good ventilation?
Yes, it includes large side vents with mosquito nets.

8. Can I extend the awning?
Yes, it is designed to accept extensions on either side.

9. Is it heavy?
Yes, it is heavier than most air awnings due to its size and materials.

10. What is included in the box?
It includes the awning, air system, pump, curtains, draught skirt, wheel arch cover and pegs.

To ensure you get the perfect fit for a full awning, you need to find the “A-measurement” of your caravan. Follow these steps to measure accurately:

Step 1: Gather Your Tools

You can use a tape measure or a piece of string to take this measurement. If you use string, it is crucial that you do not stretch it, as this will result in a false reading and an incorrectly sized awning. Professionals often use specialized beading with a tape measure attached to make the process easier.

Step 2: Measure the Height (Optional but Useful)

While the A-measurement is the primary focus for awnings, you may sometimes need the specific height of the caravan.

• Ignore the caravan handbook for this specific task, as handbooks typically incorporate the height of the skylight and aerial.
• Instead, measure straight down from the awning rail to the floor.

Step 3: Position the Measuring Tool at the Start Point

Place one end of your tape measure or string on the floor at one end of the caravan, directly beneath the opening of the awning rail.

Step 4: Thread the Awning Rail

Slide your tape measure, string, or beading through the entire length of the awning channel. Ensure the tool follows the curve of the rail exactly as the awning fabric will.

Step 5: Complete the Measurement at the Finish Point

Continue threading the tool through the rail until it exits at the other side and touches the floor. The total distance from the floor, through the rail, and back down to the floor is your final A-measurement. For example, a common reading might be something like 10 meters 34.

Analogy: Measuring a caravan for an awning is much like measuring someone for a tailor-made suit. You cannot simply rely on their total height (which includes their hair or a hat, much like a caravan’s aerial); you must follow the specific contours where the fabric will actually rest to ensure the garment fits perfectly.