Owners Manual

A. Foundation & Base Frame
1. Use pressure treated wood studs 2”x 4”
(5cm x 10cm) to bulid a foundation structure that has
an outside dimension of 65”x 96” (1651mm x 2438.4mm).
3. Start with U-Channel bases (B21) & (B22)
to insure a quick and accurate layout.
Position all bases (B1LB, B1RB, B2B) on wood
foundation. It is critical that you allow 61 1/4” (1556mm)
between front bases (B1RB) and (B1LB) for door
placement. Measure in all directions as shown in fig.1.
Make sure the U-channel assembly is a perfect square.
DuraMax must be installed on a level wooden platform
or a level concrete foundation.
Left Side
Right Side
Door Opening
61 1/4” (1556mm)
The following are a list of lumber and sizes you will need.
2. Using exterior grade CDX 3/4” (19mm) plywood,
cut and fit together the sheets to form solid plywood
floor as shown. Foundation must be square and level.
Wooden Platform (Not Included)
Note: It is important that these instructions
are followed step by step.
Wooden platform is extra and is not included.
Don’t install under windy conditions.
(1) U channel Front left (B1LB)
(1) U channel Front right (B1RB)
(1) U channel Back (B21)
(1) U channel back (B22) 
(2) U channel Side (B2B)
(22) Dia. 4.2 x 16mm Screws (S1)
Parts needed:
1
96” (2438.4mm)
65” (1651mm)
L- BRACKET
96” (2438.4mm)
L- BRACKET
L- BRACKET
17” (431.8mm)
48” (1219.2mm)
20” (508mm)
L- BRACKET
Note
Lay 2”x4” (5cm x 10cm) Flat
Note
B22
B21
B1LB
B1RB
B2B
B2B
Pressure Treated - Wood Studs: Exterior Grade (CDX):
4ea 2” x 4” x 89” (50 x 88.9 x 2260.6 mm) 3/4” 19mm plywood
2ea 2” x 4” x 65” (50 x 88.9 x 1651 mm) 1ea 3/4” x 48” x 96”
(19 x 1219.2 x 2438.4 mm)
 1ea 3/4” x 17” x 96”
(19 x 431.8 x 2438.4 mm)
L-Brackets: 4ea
61 1/8” (1553mm)
61 1/8” (1553mm)
61 1/8” (1553mm)
61 1/8” (1553mm)
92 1/4” (2343mm)
92 1/4” (2343mm)
Fig.1
11 1/2” (292.1mm)
19 1/2” (495.3mm)
Foundation Structure
Plywood Floor
U-Channel Layout