Louisville AA2210 Instrucciones De Instalación página 12

(Figure 20)
• Locate double headers at each end of
opening and secure with (3) 16d nails
into each end of the headers.
• Install stringer and check for squareness
by making sure that diagonals are
within 1/8".
• Secure using (3) 4" nails into each end
of the stringer.
CAUTION: Consult an engineer
or architectural approval for
installations that require the
removal of roof trusses or rough
openings perpendicular to the
ceiling joists.
Customer service: 1–800–666–2811 or e–mail info@louisvilleladder.com
Servicio al cliente: 1–800–666–2811 or e-mail info@louisvilleladder.com
11
Diagonal
Measurements
Headers
FIGURE 20
Headers
Stringer
Nails