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My 1890 home has redwood porch columns about 13" diameter.
The wood column bases rest on raised limestone slabs that are 19" square & about 2 ½" thick.
Under the limestone square is a sheet of lead about 1/16 thick. It is trimmed about even with the 19" square, so it is not flashing.
That sheet of lead rests mostly on the sandstone porch foundation, but as the sandstone is only 12" wide, the assembly also rests 7" on the concrete porch slab, which is level with the sandstone.
What is the purpose of the lead gasket?
Any guess will do. I'm not planning any changes, but am just scratchin my noggin on the purpose of a flexible material in this location.
FYI this was, in its day a high end home, & the masonry work is generally of good quality.
thanks,
Les Digits
The wood column bases rest on raised limestone slabs that are 19" square & about 2 ½" thick.
Under the limestone square is a sheet of lead about 1/16 thick. It is trimmed about even with the 19" square, so it is not flashing.
That sheet of lead rests mostly on the sandstone porch foundation, but as the sandstone is only 12" wide, the assembly also rests 7" on the concrete porch slab, which is level with the sandstone.
What is the purpose of the lead gasket?
Any guess will do. I'm not planning any changes, but am just scratchin my noggin on the purpose of a flexible material in this location.
FYI this was, in its day a high end home, & the masonry work is generally of good quality.
thanks,
Les Digits