Hello Pierre,
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this should be interesting [Linked Image]
LOL. [Linked Image]

My point is as Bob said,
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Capable of being removed or exposed without damaging the building structure or finish or not permanently closed in by the structure or finish of the building.

Here is my attic access [Linked Image]
notice the sheetrock screws that are through the sheetrock and into the joist and must be removed to allow entrance, would this be different than a floor board screwed into a floor joist?

I know there are only two screws, but would four, six, or eight make any difference if removing them caused no damage to the building?

IMO a screw that is accessible in itself is a removable fastner.

Roger



[This message has been edited by Roger (edited 08-15-2004).]