using shims on milgard windows

i am installing milgard classic vinyl windows (nail fins). to make sure that the window is level, i might have to add shims before nailing the bottom flange.
can i place space shims between rough sill and the bottom of the window? will using shims here cause the window to sag? should the shims be placed only at the corners?
once the window is square and nailed in place, can i remove all the shims? or should i just leave them alone or do i need to nail the shims as well?
thank you in advance.
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i am installing milgard classic vinyl windows (nail fins). to make sure that the window is level, i might have to add shims before nailing the bottom fin.
can i place space shims between rough sill and the bottom of the window? will using shims here cause the window to
sag? should the shims be placed only at the corners?
once the window is square and nailed in place, can i remove all the shims? or should i just leave them alone or do i
need to nail the shims as well?
thank you in advance.
thank you.
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<< can i place space shims between rough sill and the bottom of the window? >>
Read the directions that came with the windows, then do it as suggested. If you lost the directions, get a new copy. If none were included, go to a Pella window store and borrow theirs. Or ask your dealer to photocopy the directions.
<< should the shims be placed only at the corners? >>
Since the corners are the sturdiest part of the window, logically, yes.
<< once the window is square and nailed in place, can i remove all the shims? or should i just leave them alone or do I need to nail the shims as well? >>
Leave the shims in place and fill the spaces with latex foam like the DAP product. Be sure to use a sealnt under the nailing flange if your instructions call for it...most do. Good luck.
Joe
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