Mueller AP Panel - Manual (Page 26)

26
STANDARD PANEL ENDLAP
Details are subject to change without prior notice.
1. Ensure the lower panel is installed completely (except for the top fasteners).
2. Install the butyl tape 10” from the top of the lower panel. Do not remove the paper backing from
the butyl tape until upper roof panel lap and the top dimension have been confirmed.
3. Remove paper backing from the butyl tape.
4. Position and place upper panel so that a 12” lap is achieved.
5. Attach the upper panel through the lower panel with woodgrip screws,
(4) per panel making sure the screw line is 1” uphill from the butyl tape line.
NOTE: Alternate trim profiles are acceptable using the screw pattern shown.
NOTE: If a longer lap is desired increase all measurements accordingly.
NOTE: To comply with Texas
Windstorm Certification Testing,
#12x11 SDT Type A screws must
be used in place of the #9
Woodgrip screws.