2
We cannot emphasis how important it is to have a proper base for your Robinsons
Greenhouse to be erected upon. It is essential that the BASE IS FLAT, LEVEL AND
SQUARE AS WELL AS BEING SUBSTANTIAL enough to take the weight of the
greenhouse including 4mm glass.
Ideally the base should be a concrete perimeter footing a spade’s width and of
sufficient depth for your local ground conditions. A brick perimeter base is equally
suitable (and more attractive) providing there is a concrete foundation beneath it. We
suggest only quality stock bricks or semi-engineering bricks are used.
This is a copy of our greenhouse base plan incorporating external dimensions only.
Greenhouse Base Plan
NOTE: When calculating the length of a unit that has an extension you must add the main
module dimension to give you the overall length. See diagram above.
NOTE: If the prepared base is larger than these sizes then a seal must be made between
base rail and concrete.
NOTE: For Lean-To models less an end deduct 67mm from length.
Dimensions shown are all external and allow for a small overhang, as shown in diagram
below, suitable for brick or concrete perimeter bases.
Width
MODEL Width Length Diagonal
6 x 6 1964 2012 2812
6 x 8 1964 2632 3284
6 x 10 1964 3252 3799
6 x 12 1964 3872 4342
8 x 6 2584 2012 3275
8 x 8 2584 2632 3688
8 x 10 2584 3252 4154
8 x 12 2584 3872 4655
10 x 8 3208 2632 4150
10 x 10 3208 3252 4568
10 x 12 3208 3872 5028
12 x 8 3824 2632 4642
12 x 10 3824 3252 5020
12 x 12 3824 3872 5442
6ft ext. – 1860 –
8ft ext. – 2480 –
10ft ext. – 3100 –
12ft ext. – 3720 –
EXTERNAL DIMENSIONS (mm)
DIAGRAM
External dimension of an 8 x 24 Greenhouse.
8 x 12 Main Module 2584 x 3872
12 ft Extension 3720
Overall Size = 2584 x 7592 mm
Length
Diagonal
CONTENTS PAGE NO.
General order of assembly 3
Assembly of roof sides and ends 4/5
Assembling the vent 6
Positioning the vent 7
Glazing the roof 7
Glazing the sides 8
Glazing the ends 9
Fitting the door frame 9
Assembling the doors 10
Fitting the doors 11
Final finishings 12
Fitting extensions and partitions 12/13
Securing the base 14/15
Identification Charts 16/17/18
Glazing Plans 19/20/21
3 Slat Staging assembly instruction 22
7 Slat Staging assembly instruction 23
10 Slat Staging assembly instruction 24
Louvre installation instruction 25
Plates assembly instruction 26
‘A’ Frame assembly instruction 27
Greenhouse base rail
Base
W
idth of
greenhouse
Model sizes listed are nominal.
ie: an 8x 10 is the model 8’6” x 10’8”
THE BASE MUST BE FLAT, LEVEL AND SQUARE
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