Why does my awning sag and pool water?
Two reasons. The fabric tension comes from a spring inside the roller tube that keeps the canopy taut as it rolls out; over time that spring relaxes and the fabric goes slack. And the pitch — the angle of the awning — needs to slope enough for water to run off one end instead of pooling in the middle, which is where a slack awning collects gallons and the weight does the damage.
How to set the pitch so water runs off
On most awnings you can drop one end lower than the other so rain sheds to that side. Loosen the arm's height adjustment, set one side a few inches lower than the other, and lock it. A slight slope is all it takes to stop pooling — and never leave an awning out in wind or a real storm regardless of pitch; roll it in.
Re-tensioning the roller spring — carefully
If the fabric is slack even when fully out, the roller-tube spring needs more tension — turns added with the awning rolled out and the mechanism locked, following the exact procedure for your awning brand. Here's the honest part: that spring stores a lot of energy, and adding or releasing tension the wrong way can hurt you and damage the awning. If you're not certain of the steps for your specific model, this is the one awning job worth handing to a tech.
Arms, hardware, and torn fabric
- Check the rafter arms and end caps for play or bent components — a sagging awning is often loose hardware, not just fabric tension.
- Tighten arm pivots and replace worn end-cap hardware so the arms hold their angle.
- If the fabric is torn or badly stretched, replace the canopy — most roll out and feed through a channel, a manageable two-person job.
- Condition the fabric and let it dry fully before rolling it up to prevent mildew.
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Tell RV Journey Genie your make, model, and symptom and get a step-by-step fix — by text, voice, or photo — before you ever call the shop.
Frequently asked questions
Why does my RV awning sag in the middle?
Either the roller-tube tension spring has relaxed and the fabric is slack, or the awning isn't pitched enough for water to run off, so rain pools in the middle. Set one end lower so water sheds, and re-tension the spring if the fabric stays slack.
How do I stop water pooling on my RV awning?
Set the pitch so one end is a few inches lower than the other, letting rain run off to that side instead of collecting in the center. Always roll the awning in for wind or storms.
Is it safe to re-tension an RV awning spring myself?
The roller-tube spring stores a lot of energy and can injure you if released or adjusted incorrectly. If you don't know the exact procedure for your awning model, it's the one awning job worth handing to a technician.