200,000+ Customers

Everything Modular

High-quality service

All items in stock

200,000+ Customers

Everything Modular

High-quality service

All items in stock

Self-assembly or using an installer

Building your own veranda is easier than you think. Still, we can imagine that you prefer to opt for an attached veranda or glass sliding door with installation included. On this page, we tell you all about assembling Gumax® products yourself and using third-party installers for help with assembly.

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User-friendly construction kits

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Service & support 365 days a year

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Third-party installers

Easily assemble it yourself with user-friendly construction kits

Building the veranda yourself is easy thanks to Tuinmaximaal's user-friendly construction kits. And the same goes for fitting the glass sliding doors, sun shading, lighting and accessories. With the added support of our detailed assembly instructions, informative videos and accessible customer service, you will have everything you need to get started right away. In addition, you benefit from a 10-year Tuinmaximaal warranty, provided you assemble the products according to the steps in the assembly instructions.

Direct help from one of our customer advisers

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Need help with assembly? Our team is available 365 days a year to provide the necessary service and support. You get in touch with us very easily by calling, chatting or video calling via WhatsApp.

Using a third-party installer

Do you have no time, no DIY experience or simply prefer leaving the assembly of Gumax® products to a professional? Then hiring a third-party installer to assemble the veranda and/or related products is a good solution. Ideal if you are looking for:

  • An attached veranda including installation
  • A glass sliding door including installation
  • Help with installing a veranda, sun shading or other Gumax® accessories


Follow the simple steps below to engage an external installer.

The steps for ordering & assembly

Step 1: configure your own veranda and/or sliding door in our webshop.

Step 2: receive confirmation of the delivery time or collect your products from us within one day and you can get started!

Step 3: would you rather leave the assembly to a professional? Check the list below to see which installers operate in your area. Then contact the installer yourself to discuss options.

Step 4: enjoy your comfortable outdoor space!

Overview of third-party installers of Gumax® products

Below you will find a list of the Third-party installers who will install Gumax® products, including contact details. Contact the installer to make further arrangements

KM Windows and Carports


City: Clifton, Nottingham
Zip: Ng11 9ng
Address: Nottinghamshire
Email: Kevinhaywood78@gmail.com

Custom canopies


City: Chesterfield
Zip: S40 2TT
Address: 11 Warwick St
Email: customcanopies@mail.com

Optimal Shading Ltd


City: London
Zip: Se181hh
Address: 64 St Nicholas Road
Email: Raducostinromulus@gmail.com

PSC Installations


City: Southampton
Zip: SO16 7NZ
Address: 461 Winchester Rd
Email: pscpaul@hotmail.com

Secure Fireplace


City: Southend-on-Sea
Zip: SS1 2PE
Address: 327 Southchurch Rd
Email: enquiries@securefireplace.co.uk

Devas design veranda


City: Weston-super-Mare
Zip: Bs24 8es
Address: 15 Whitney Crescent
Email: info@design-veranda.co.uk

Third-party installers are independent businesses and offer products and services under their own responsibility.
Tuinmaximaal is not liable for any acts or omissions of the third-party installer. 

Frequently Asked Questions


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