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Bunk Ladders

LA-2021460, LA-2021460B, LA-2021466, LA-2021466B

StrombergCarlson.com • 231.947.8600

IMPORTANT!  Your Bunk Ladder is designed to be installed 

at no more than an 11° angle from vertical as shown in 

Figure 4. It is to be installed so the distance from the ladder 

legs (resting on the floor) to the bunk rail are no greater 

than shown. To install otherwise can cause damage and 

will invalidate the Manufacturer’s Limited Warranty. 
If your ladder is at a greater angle/greater distance, you can 

remove the ladder feet and trim the bottom of your ladder 

tubing to the appropriate length to achieve the angle 

measurement shown.  To protect powder coat finish from 

chipping, apply masking tape to tube before making cut.
The website below can assist you in determining the ladder 

length needed to achieve the 11° angle with your bunk 

height.
www.omnicalculator.com/math/right-triangle-side-angle 

Scan 

here for 

installation  

video

PATENT PENDING

FIGURE 4

 LADDER 

BUNK

 LENGTH 

HEIGHT

 58” 

56.9”

 57” 

55.9”

 56” 

55”

 55” 

54”

 54” 

53”

 53” 

52”

 52” 

51”

 51” 

50”

TRIM CHART FOR LADDER TO MAINTAIN 11

º

 ANGLE

(TRIM FROM BOTTOM)

 LADDER 

BUNK

 LENGTH 

HEIGHT

 66” 

64.8”

 65” 

63.8”

 64” 

62.8”

 63” 

61.8”

 62” 

60.8”

 61” 

59.5”

 60” 

58.9”

 59” 

57.9”

If parts are missing or damaged, contact Stromberg Carlson. 

231-947-8600   www.StrombergCarlson.com

FIGURE 4

FIGURE 5

 

•  The upright tubes have a slight bend to them. You should 

tighten the treads to the uprights until they are square, but 

do not over tighten as you could collapse the tube wall, 

weakening the ladder.  

2.  Using the #10-barrel nuts and #10 x 5/16” bolts, secure the 

hooks to the tops of the upright tubes. 

 

•  Insert the hooks into the tube ends in the same direction, 

with the tread divots facing the bunk bed – hidden from 

view when the ladder is in place.  

    •  The hooks can go directly over the facia board of a bunk 

frame to keep the ladder secure during use. If that is 

undesirable for your use, brackets are included to secure 

the ladder to the bunk frame (step 3).  

3.  Using the #10 x 1” screws, mount the brackets to the bed 

frame, pre-marking the needed drill holes.

 

•  Brackets are included in this package to secure your ladder 

to the bunk frame/facia when in use. (Figures 4 & 5) This 

is only if you do not wish to hang mount your ladder as 

outlined in step 2.

 

•  Under no circumstances should the ladder be free to hang 

from the bracket only with no support from the ground up. 

60”

58.9”

64.8”

66”

12.011”

13.156”

11

º

11

º

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