Isabella Awning Size Chart
Isabella caravan awnings are built to fit beautifully - but only if the size is right. Short answer: everything starts with your A-measurement. This Isabella awning size guide walks you through getting the exact fit for your caravan, helping you avoid poor tension, leaks, and costly returns.
Isabella Awning Size Chart
| A-Measurement (cm) | Isabella Awning Size |
|---|---|
| 836 – 860 | 850 |
| 861 – 885 | 875 |
| 886 – 910 | 900 |
| 901 – 925 | 915 |
| 911 – 935 | 925 |
| 926 – 950 | 940 |
| 936 – 960 | 950 |
| 947 – 972 | 962 |
| 961 – 985 | 975 |
| 987 – 999 | 989 |
| 986 – 1010 | 1000 |
| 1001 – 1025 | 1015 |
| 1011 – 1035 | 1025 |
| 1031 – 1060 | 1050 |
| 1061 – 1085 | 1075 |
| 1086 – 1110 | 1100 |
| 1111 – 1135 | 1125 |
| 1136 – 1160 | 1150 |
| 1161 – 1185 | 1175 |
| 1186 – 1210 | 1200 |
| 1211 – 1235 | 1225 |
| 1236 – 1260 | 1250 |
Want us to find the perfect size for you?
The Core of Sizing: The Isabella A-Measurement
Correct sizing for Isabella awnings is based around one key figure, known as the A-measurement.
This measurement allows you to match your caravan to the correct full awning size so that it fits securely, seals properly, and performs as intended in British weather.
What is the A-Measurement and Why Does Isabella Use It?
The A-measurement is the distance taken from the ground, up the side of the caravan, along the full awning rail, and back down to the ground on the other side.
Isabella uses this system because it accounts for both caravan height and length in one continuous measurement.
This ensures that the awning fits precisely along the rail and reaches the ground with the correct tension.
Precise Measuring: Ground-to-Ground Through the Rail
To take the A-measurement correctly, the caravan should be standing level on firm ground.
The tape measure starts at ground level at one side of the caravan, follows the full curve of the awning rail, and returns to the ground at the opposite side.
It is important not to cut across corners or measure around obstacles, as this will affect accuracy and lead to poor fit.
Using the Isabella Online A-Measurement Finder Tool
Isabella also provides an online size finder tool that allows users to input their caravan make and model.
Where available, this tool can return the factory A-measurement, saving time and reducing the risk of error.
It is still recommended to double-check measurements manually if possible.
Reading the Isabella Full Awning Size Chart
Once the A-measurement is known, it can be matched directly to the Isabella full awning size chart.
This chart shows which awning size corresponds to specific A-measurement ranges, allowing you to select the correct size with confidence.
A-Measurement vs. G-Numbering System (G16, G19, etc.)
Some Isabella charts and specifications also reference a G-numbering system, such as G16 or G19.
These numbers usually relate to the depth and profile of the awning rather than overall rail length.
The A-measurement still determines the core size, while the G-number helps identify the awning’s projection and shape.
Understanding Size "Tolerance" and Fit
Isabella awnings allow for a small tolerance within each size range.
This means that if your caravan’s A-measurement sits near the top or bottom of a size bracket, the awning should still fit correctly.
However, choosing the closest match is always advised to ensure the best seal and most stable setup, especially in wind or heavy rain.
Popular Isabella Models and Sizing Variations
Different Isabella awning models are designed for different styles of touring and seasonal use.
While all full awnings use the A-measurement for sizing, the depth, weight, and frame design can vary between ranges.
Ambassador, Commodore, and Penta Sizing
The Ambassador and Commodore ranges are popular touring awnings, designed to balance strength with manageable weight.
These ranges follow standard A-measurement sizing and are suitable for regular touring use.
The Penta range is a deeper, more luxurious awning with increased living space and added weight.
This makes it particularly well suited to seasonal pitching.
Sizing Considerations for Seasonal vs. Touring Awnings
Seasonal awnings such as the Penta are generally heavier, deeper, and built for long-term stays on site.
Touring awnings like the Ambassador and Commodore are lighter and quicker to erect.
This makes size accuracy even more important for ease of pitching.
When choosing between seasonal and touring models, both the A-measurement and the intended style of use should be considered.
Need Help Deciding?
Reach out to our friendly experts and we'll be happy to help!
Call & text: 020 8064 2643
Email: info@campernation.co.uk
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