Publicité
Les langues disponibles
Les langues disponibles
F
12 :
IGURE
SHIMMING THE FOOTER
K. Before continuing, Installer #1 must measure the diagonals of the aluminum frame to ensure the attic is square. Diagonal
Figure 13
measurements A1 and A2 should match within 1/8". See
. If not, your attic ladder door may not close properly. If
measurements do not match, adjust the attic ladder moving the footer end side-to-side. This may require adjusting the shims.
Be sure to keep the header/hinge end centered in the rough opening as you square the attic ladder. Use shims if necessary.
F
13 :
IGURE
SQUARING THE ATTIC LADDER
STEP 3: SECURING THE ATTIC LADDER INTO THE ROUGH OPENING
L. Installer #2: Unfold the 14" metal straps and bend them over the adjoining
Materials needed:
ceiling joists. Screw them in place with the wood screws (1/4" x 1-1/2") passing
through the ¼" diameter hole in the metal strap and into the wood joists.
Figure 14
Figure 15
See
and
. Be sure the straps are taught to support the
weight of the attic ladder.
DO NOT lift the attic ladder off the temporary support boards.
F
15
F
14 :
IGURE
IGURE
SECURING THE METAL STRAPS
9
Publicité
