Skip to content

Tunnel House Extreme Weather Bracing Addition

Tunnel Houses

Notify me when back in stock

Tunnel House Extreme Weather Bracing Addition

If your Tunnel House location is more exposed than normal than the Extreme Weather Kit is exactly what you need.

Additional beams included (the amount of which will depend on your Tunnel House size) are a Collar Beam which runs from side to side at the top to strengthen the top of the arches and corner bracing which strengthens the base of the Tunnel House. These can be seen in our second picture below. 

Please ensure your select either the Red Path or Morrifield Bracing Kit depending on what Tunnel House you are purchasing. If you are unsure please contact us for assistance. 

Add in extra strength and reassurance during our unpredictable New Zealand weather by adding in extra wall bracing and arch bracing during construction, for peace of mind.

Product Guarantee
The tunnels use Duratough 215 micron commercial grade greenhouse film which is the thickest grade in the industry. We stand by 3 year frame against defect warranty, 4 year cover uv pro-rata warranty and 10 year + expected cover life.

We get it. Youve got alot of choice when it comes to online local suppliers & retailers. Heres why we think you should shop with Urban Backyards. 

- We have brought some of the best suppliers NZ has to offer together for you to get the best products for your Urban Backyard. 

- Easy, trusted flat rate shipping to make its less stressful for you.

- Price Match Gaurantee. We offer the best price online, gaurenteed. 

- 30 Day Easy Returns. No happy with your product, we'll take it back, no questions asked. 

- Great, local service. We pride ourselves on the best service, anywhere.

Shipping within our beautiful country of Aotearoa New Zealand is a simple flat rate of $249. 

We trust Mainfreight for our shipping and as our items are often very heavy, depending on the item you will be required to uplift your item from your nearest Mainfreight depot with a car & trailer.

If you'd like shipping direct to your door then please get in touch using our online contact form and we can get that shipping price to you asap.


Our returns are easy so you can shop with confidence. 

If your item is not what your wanting then get in touch with us within 7 days of receiving the item, please include photos if faulty, and we will be in touch with returning your order and refunds. No questions asked. 

Safe, Easy and Trusted for your peace of mind. 

Are you wanting a bigger size? Different door configuration? A few additional products that you not sure how they will all work together?

Get in touch with us now using the Contact Us page or flick us an email on and include your phone number so we can email or call you back and provide you with all the information you need straight away - no obligation. 

We pride ourselves on serving you and ensuring you get the best for your Urban Backyard.