The ornamental design for an installationtool for lapsiding, as shown and described.
FIG. 1 is a left side elevational view of an installation tool for lap
siding, showing the preferred embodiment of the new design, the right side
elevation being substantially a mirror image thereof;
FIG. 2 is a top plan view of the installation tool for lap siding of FIG.
1;
FIG. 3 is a bottom plan view of the installation tool for lap siding of
FIG. 1;
FIG. 4 is a rear elevational view of the installation tool for lap siding
of FIG. 1; and,
FIG. 5 is a front elevational of the installation tool for lap siding of
FIG. 1.