Rainbow Attic Stair F Series Installation Manual Download Page 4

Read instructions carefully and completely before beginning installation. 

Warning

*  Installer should be experienced in the construction or modification of structural framing 
       supports. Improper installation can result in stair collapse and bodily injury. 

*  Determine location of electrical lines or plumbing before cutting ceiling.

Table A

Model #

F2260-10

F3060-10

Rough Opening

Dimension

22 1/2” X 60”

30” X 60”

Tread
Width

10”

17”

F2260-11

22 1/2” X 60”

10”

F3060-11

30” X 60”

17”

F2260-12

22 1/2” X 60”

10”

F2560-12

25 1/2” X 60”

12 3/4”

F3060-12

30” X 60”

17”

F2275-13

22 1/2” X 75”

10”

F2575-13

25 1/2” X 75”

12 3/4”

F3075-13

30” X 75”

17”

F2275-14

22 1/2” X 75”

10”

F2575-14

25 1/2” X 75”

12 3/4”

F3075-14

30” X 75”

17”

F2275-15

22 1/2” X 75”

10”

F2575-15

25 1/2” X 75”

12 3/4”

F3075-15

30” X 75”

17”

Floor-to-Ceiling

Height Range

9’ - 4” to 10’ - 4”

10’ - 8” to 11’ - 2”

11’ - 8” to 12’ - 2”

12’ - 6” to 13’ - 4”

13’ - 3” to 14’ - 4”

14’ - 8” to 15’ - 4”

F3060-9

30” X 60”

17”

F2260-8

22 1/2” X 60”

10”

7’ - 4” to 8’ - 4”

F3060-8

30” X 60”

17”

F2260-9

22 1/2” X 60”

10”

8’ - 2” to 9’ - 4”

Stair Frame

Dimension

22” X 59 1/2”

29 1/2” X 59 1/2”

22” X 59 1/2”

29 1/2” X 59 1/2”

22” X 59 1/2”

25” X 59 1/2”

29 1/2” X 59 1/2”

22” X 74 1/2”

25” X 74 1/2”

29 1/2” X 74 1/2”

22” X 74 1/2”

25” X 74 1/2”

29 1/2” X 74 1/2”

22” X 74 1/2”

25” X 74 1/2”

29 1/2” X 74 1/2”

29 1/2” X 59 1/2”

22” X 59 1/2”

29 1/2” X 59 1/2”

22” X 59 1/2”

Unit

Weight

124 lbs.

138 lbs.

131 lbs.

146 lbs.

135 lbs.

140 lbs.

153 lbs.

153 lbs.

159 lbs.

173 lbs.

159 lbs.

164 lbs.

176 lbs.

165 lbs.

172 lbs.

182 lbs.

130 lbs.

111 lbs.

123 lbs.

117 lbs.

Stair

Projection

(Page 4)

18”

21”

27”

17”

24”

30”

8”

13”

Landing

Space

(Page 4)

66”

69”

73”

77”

80”

87”

63”

67”

Page 3

May 2020

Summary of Contents for F Series

Page 1: ...INSTALLATION GUIDE F Series...

Page 2: ...to be installed while home is under construction and used as a construction stair Failure to follow these guidelines can result in damage to the stair and will void the warranty If you have any proble...

Page 3: ...aw or steel cutting blade if cutting stair to length is necessary 4 Steel hangers and nuts for 60 long models or 6 Steel hangers and nuts for 75 long models Sectional metal pole with hook 2 Steel hand...

Page 4: ...X 75 17 F2275 15 22 1 2 X 75 10 F2575 15 25 1 2 X 75 12 3 4 F3075 15 30 X 75 17 Floor to Ceiling Height Range 9 4 to 10 4 10 8 to 11 2 11 8 to 12 2 12 6 to 13 4 13 3 to 14 4 14 8 to 15 4 F3060 9 30 X...

Page 5: ...out the rough opening size for your unit according to TABLE A Note that the finished metal trim extends beyond the rough opening about 1 1 2 when the unit is installed Allow clearance for this on all...

Page 6: ...ed on both sides of the opening before cutting Cut and securely nail headers blocking of the same joist dimensions to the joists as shown in Figures 3 and 4 Be sure to nail all cut joists to headers W...

Page 7: ...the attic stair door is closed and securely latched Due its weight two additional helpers should be used to raise stair into opening Adjusting Stair Height Figure 5 NOTE Each F Series ladder is alread...

Page 8: ...sfer measurement to front side of last section and make cut at the same angle as bottom foot so it will rest flat on floor Figure 9 Remove black plastic floor bumpers on cut leg and re install on stai...

Page 9: ...ire very little maintenance It is nevertheless advisable to periodically check for proper functioning by visually inspecting the main parts and devices Under normal use please follow the maintenance p...

Page 10: ...tness of the product for a particular purpose All such implied warranties including those of merchantability and or fitness for a particular purpose are excluded and disclaimed Furthermore all claims...

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