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StrombergCarlson.com • 231.947.8600

11"

7"

12"

8.5"

12"

12"

Safest Design

can add 15" 

additional length, 

however, not 

recommended.

12"

12"

12"

12"

Roof Mount

92.5"

5"

CL to CL

INS-LA401LA401BA   11.20.2020

Universal Exterior RV Ladder

Model:  LA-401, LA-401BA

Universal Exterior RV Ladder

LA-401, LA-401BA

Thank you for purchasing the Stromberg Carlson Universal Exterior 

RV Ladder.
Read these directions thoroughly before assembly. When assembled 

and used properly, this ladder will provide many years of trouble 

free service. This kit contains components and hardware for one 

complete exterior ladder. Complete the following easy steps and 

you will be ready to use your new ladder.

Tools Needed for Installation

  #2 Phillips screwdriver
  Hack saw or tube cutter
 Drill

3/16” and 1/4” drill bit
Masking tape or pencil
Adjustable wrench or pliers

6

1

Carton Contents and Assembly Diagram

 PART #  MODEL # 

DESCRIPTION 

QTY

   

1LA-401-A1 

Top U-Shape Ladder Section 

  

(1LA-401BA-A1)

   

1LA-401-A2 

Middle Straight Ladder Section 

  

(1LA-401BA-A2)

   

1LA-401-A3 

Bottom J-Shape Ladder Section 

  

(1LA-401BA-A3)

   

8535 

5” Standoff Assemblies 

  

(8535-B)

   

8525-BK 

Swivel Castings (hinges) 

2

   

8521-BK 

Roof Mount Brackets 

  

(8521-BK-B)

   

1LA-401-B 

#10 Sheet Metal Screws 

28 

   

 

#10-24 x 30 mm Bolts and Nuts 

   

 

#10-24 x 37 mm Bolts and Nuts 

2

1

2

3

4

5

7

6

2

3

4

5

4

CAUTION:  All screws connecting the ladder to the RV must 

be fastened to the RV’s blocking or sub frame. If you are 

unsure about the structure location, contact your trailer 

manufacturer. It is unsafe to use a ladder that is not connected 

to the RV’s blocking or sub frame. Maintain safe contact with 

your new ladder at all times while ascending or descending.
Be sure to use an outdoor type sealant at all points where holes 

are drilled into your RV.
Maximum weight capacity – 250 lb when properly installed.

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