High Quality Materials
Thicker & doubled up timber framing with shiplap construction.
15 year Anti Rot Guarantee*
Pressure treated to protect against fungal decay and rot.
Fits through a standard door
Modular sections that fit through your door and make assembly easier.
What’s included?
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All fixings and fittings
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Easy to follow instructions
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Pre-assembled panels, roof and floor
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Extra high ridge and eaves height
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Tall opening windows and fully braced doors, single glazed as standard
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Opening side windows
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Signature mineral felt
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15 year guarantee with pressure treated panels
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Mortice lock and lockable windows
We do the hard work for you
Grandmaster comes with pre-assembled panels which we build in house and check before it’s delivered to your door. Making the installation of Grandmaster easier for you or your installer, whilst saving you time and money.
Alongside this we have created a set of easy to follow instructions which are sent out with every building, making your Grandmaster experience a pleasant one.
Hand Crafted
Grandmaster is built by our fully trained product assembly team using hand-selected graded scandinavian slow grown timber at our facility in Nottinghamshire, in the cusp of Sherwood Forest.
All of products are picked, checked and packed for delivery making sure everything meets our high standards.
Build Grandmaster to your specification
The Grandmaster is built up of modular panels. Meaning that you can customise your building to your needs. Choose from base-coated or pressure treated finsh which comes with a 15 year anti-rot guarantee. Upgrades from external cladding thickness (11mm or 16mm) to flooring thickness (11mm, 19mm or 28mm) providing a stonger base for heavier applications. You have two glazing options with Grandmaster the first being styrene forseasonal use or double glazing to enjoy your Grandmaster all year round. For extra protection we can upgrade you to a rubber roof protecting your outdoor building up to 50 years.
Free Delivery
On selected postcodes
30 Days Returns
no-hassle returns
Made in our facility in Nottinghamshire
in the cusp of Sherwood Forest