Use 100mm x 50mm or 150mm x 50mm H4 tanalised timber, bricks or a concrete kerb to form the base.
Exact base dimensions for the Redpath/Elite, Belmont, High Eave & Kensington range (where required). It is important to build the bases exactly to size as shown , as the base aluminium strip rail “hangs” over the outer edge of the base boards.
BASE DIMENSIONS FOR REDPATH KENSINGTON LEAN-TO GLASSHOUSE

If you have anything overhanging the ridge on a lean-to, please allow 25mm height clearance for the roof vent.
The following are external dimensions:
| Nominal Size |
Model |
A
mm |
B
mm |
C
mm |
| 1320 x 1830mm |
Redpath Kensington
Lean-To
|
1297
|
1960 |
2349 |
|