Werner AH2512 Instrucciones De Uso Y De Instalacion página 5

Step 1 PREPARING EXISTING ATTIC LADDER
OPENING FOR INSTALLATION
ADDITIONAL MATERIALS NEEDED
(6) #8 Deck Screws, 2"
At completion of Steps 1 & 2 the frame of your ladder will be installed flush with the underside of
the finished ceiling. (See Figure A)
Header B
Finished
2nd Temporary Support
Ceiling
1. PREPARING EXISTING OPENING: (See Figure B)
a. Remove any trim and hardware surrounding
the opening.
b. Inspect existing attic ladder opening to make
sure it meets minimum construction
requirements and is 25" x 66" (Figure C).
c. If it is necessary to modify or create a new
opening, please refer to Appendix,Section 1.1,
page 12.
16d Nails
(6) per Header
Headers
4
1 x 4 Temporary Support Boards
(2 pieces approximately 32" long)
Joists
Headers
Stringer
Figure C
TOOLS NEEDED
Stepladder
Hammer
Tape Measure
Pencil
Carpenter's Square
Drill
Phillips Driver
Header A
1st Temporary
Support
Figure B
For best results make sure the ceiling
around the opening is flat and in good
repair and that all sides of the opening
are flat, plumb and in good repair.
Finished
Ceiling
Figure A
Header