Somebody please check this dryer vent is ok....
"...through a 90 and then out through the wall and a plastic louvred
vent under a wooden deck."
HMM If I understand this correctly the vent is below the deck - if so
the deck may stay moist on the bottom creating a home for mold and
fungus to live.
deck ___________I
I
wall
vent [ I
I
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