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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Signature mineral felt
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15 year guarantee* with pressure treated panels
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. 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
High quality materials
We only use the very best materials for our garden buildings.15 year anti-rot guarantee*
Peace of mind that your building will stand proud for years.Longer lasting
Our buildings are designed to last.Thicker and doubled up framing
27mm x 44mm panel framing – thicker than standard. Key supports are doubled up to 54mm for extra support.Fully braced doors
- Open fully for extra comfort
- Extra high for more headroom
- Fully braced for increased strength
Mortice lock and lockable windows
Extra high security with a three lever lock to keep your belongings safe.Extra tall interior
- 2.3m ridge height for 8ft range
- 2.4m ridge height for 10ft / 12ft
- Room for taller items
- A comfortable space for all day use
Extra strong, double sided roof trusses
Extra support to maximise the roof strength.Thickness
Easy and strong tongue and groove construction
Our shiplap panels keep rainwater and other harsh elements from entering the building. This is primarily due to its construction where the panels closely interlock, leaving no space for water penetration and weather damage.
11mm shiplap
Tongue & groove
16mm shiplap
Tongue & groove
Floor
11mm floor
Tongue & groove
19mm floor
Tongue & groove
