Annex Plus



see the tab below for more info.

Size *

*Click HERE for additional installation services information

The Annex Plus offers even more space for whatever you need. Room to store extra gear within arm's reach. A discreet place to change. A cozy space for your dog to camp alongside you. Shelter from the elements, and of course, mosquitos. This self-supporting roof top tent annex is lightweight, easy to install, and easily packed and stored inside your vehicle while on the move.

Be sure to select the Annex model that is compatible with your RTT.

  • Spacious

    A generous interior footprint of roughly 10 x 14.5 feet, and ceiling height over 7 feet. Easily double the living space of your RTT in minutes.

  • Freestanding

    Our self-supporting design means you can leave the Annex Plus in place should you need to move your vehicle.

  • Uncompromising Quality

    Thoughtfully designed by our engineers, and manufactured by us. Durable, waterproof rip-stop fabric delivers complete protection from rain and snow.


  • Great way to add more living space to your camp
  • Simple setup
  • 100% waterproof material (150D Polyester with 3000mm PU color coating)
  • 3 large doors that can convert into canopies
  • Cover and mosquito net for all doors
  • Attaches to the main entrance zipper
Once your order is placed you will receive a confirmation email with your order details. This is NOT a confirmation that your order is ready for immediate pickup. You will receive a second email when your order is prepared and ready for pickup at our store.

To take advantage of in-store pickup, simply choose the in-store pickup option available during the checkout process. Below is a step by step guide:
  1. From the cart page be sure that 'Package Protection' is turned off (slider button turns from light blue to grey). Then click "PROCEED TO CHECKOUT".
  2. After entering your email address, under the Delivery method section select 'Pick up', then 'Continue to payment'.
  3. Verify that your delivery method says Pick up in store at our Wheat Ridge, CO location and enter your payment info.
Step-by-step instructions for checking out using Local Pick up at Altitude Industries in Wheat Ridge, CO
For all of our store policies please see HERE.
Have Questions?Contact us.
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