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How to Install an Aftermarket Awning on an RV Without a Factory Awning

2026-09-15 09:21:01
How to Install an Aftermarket Awning on an RV Without a Factory Awning

If your RV didn't come with an awning from the factory, it doesn't mean you can't enjoy a comfortable outdoor space. For older RVs, pre-owned RVs, travel trailers, and models not originally equipped with an awning, upgrading with an aftermarket RV awning is a practical option.

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However, adding an awning to an RV is not simply a matter of choosing a size and installing it. Especially for RVs without a factory-installed awning prep kit, it is important to check the available installation space, wall structure, mounting points, and clearance between the awning and doors, windows, and other components in advance.

This guide explains how to upgrade an RV without a factory-installed awning with an aftermarket awning and how to choose and install a suitable awning. Depending on your RV's structure and installation requirements, you can choose between manual and electric awning solutions.

What Is an RV Aftermarket Awning?

An RV aftermarket awning is an awning system purchased and installed after the RV leaves the factory.

Common types include:

Manual RV Awning

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Electric RV Awning

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Wall-Mounted Awning

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Roof-Mounted Awning

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Can an RV Without a Factory-Installed Awning Have One Added?

Factory-installed awnings usually come with an awning prep kit that provides designated mounting locations or reinforced structures for the awning brackets. However, not having a prep kit does not necessarily mean that an aftermarket awning cannot be installed.

What really matters is finding reliable structural support points. An extended awning creates weight and mechanical loads, so the brackets should not simply be mounted to thin exterior wall panels that cannot support the load.

If you are unsure about the internal wall structure, we recommend consulting the RV manufacturer or a professional installer before drilling.

How to Install an RV Awning Without a Prep Kit?

Once you've confirmed that your RV is suitable for an aftermarket awning, you should also check the following:

1. Measure the Installation Space

Measure the actual available width and height. Do not choose the awning size based only on the RV's overall length.

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2. Check the Installation Height

Make sure the awning does not interfere with the RV's doors, windows, or other equipment when extending or retracting, and leave enough clearance for proper operation.

3. Check the Wall or Roof Structure

For RVs without a prep kit, it is especially important to confirm that the installation location has reliable structural support. RV wall and roof structures vary, so do not drill without confirming the structure first. If drilling is required, make sure there are no wires, pipes, or other components behind the mounting locations that could be damaged.

4. Check Nearby Components

Make sure that nearby doors, windows, slide-outs, storage compartmentsntsnt doors, lights, and other components will not interfere with the awning installation or normal operation.

5. Properly Seal Against Water

If the installation requires penetrating the RV's exterior structure, seal the mounting points according to the product and RV manufacturer's requirements to reduce the risk of water entering the RV.

6. Follow the Product Installation Instructions

Common Mistakes When Installing an RV Awning

1. Choosing the Awning Size Based on the RV's Overall Length

The RV's overall length does not directly determine the appropriate awning size. Measure the actual installation area and follow the product requirements.

2. Mounting Only to Thin Exterior Wall Panels

If the installation location does not have sufficient structural support, relying only on thin exterior wall panels may not be able to withstand the load generated by the awning.

3. Ignoring Waterproofing

Any installation involving the RV's exterior structure requires proper waterproofing. Otherwise, water may enter the RV wall.

4. Ignoring Doors, Windows, and Slide-Outs

Failing to check the surrounding space before installation may cause the awning to interfere with other components after installation.

5. Assuming All RV Awnings Are Universal

Different brands, models, and installation methods may require different brackets and installation conditions. Always confirm compatibility before purchasing.

Is It Worth Adding an Awning to an RV That Doesn't Have One?

If your RV did not come with a factory-installed awning, an Awnlux RV awning can be an option for an aftermarket upgrade.

Awnlux offers different types of RV awnings, including manual and electric options, so you can choose according to your RV's installation requirements and intended use.

If you are not sure whether your RV is suitable for a particular Awnlux awning, feel free to contact our team before purchasing. Provide your RV model, photos of the installation area, and relevant measurements, and our team can provide recommendations based on the installation requirements of the specific product.

Email: [email protected]
Website: www.awnlux.com
Online Store: www.awnluxpro.com
Phone: +86-21 57793893

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