On Mon, 18 Mar 2019 20:22:32 GMT, firstname.lastname@example.org (Scott Lurndal)
NOT white lithium - it cakes and holds dirt.
Are the windows vinyl, aluminum or wood?
Generally patio doors should NOT be lubed - they run on rollers on a
track. If they get stiff it is often because of bad rollers - or dirt
buildup on the tracks due to grease buildup.
Whatever you use on windows needs to be compatible with whatever
plastics are part of the window mechanism (The solvent in some
silicone sprays can adversely affect the plastic pivots on some vinyl
windows - don't ask how I know!!!!!
A caution I would give too. Quick look at safety data sheets for WD30,
silicone and Teflon showed all to use aliphatic hydrocarbons which do
not dissolve PVC but there are numerous common solvents that do and some
of these sprays might contain them.
I have had to caution my wife about sprays on our Trex deck. Someone
told me that his wife sprayed suntan lotion on their grandson standing
on their Trex deck and ended up with foot outlines etched into the deck.
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