what do the black diamonds signify on a tape measure?

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why is there black diamonds every 19and1/8 inches

2006-06-08 13:41:42 · 4 answers · asked by TIBOR S 1 in Home & Garden ➔ Maintenance & Repairs

Black diamonds typically indicate the centers of TJI type floor joists. Center of studs behind a wall should be 16" unless it was built wrong.

2006-06-08 17:19:49 · answer #1 · answered by martymoose 2 · 0⤊ 0⤋

That is not a tape measure but rather a diamond necklace you buffoon!

2006-06-08 13:44:26 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Distance between center of studs behind a wall

2006-06-08 13:45:21 · answer #3 · answered by zen 7 · 0⤊ 0⤋

50cm

2006-06-08 13:45:25 · answer #4 · answered by edhchoe 3 · 0⤊ 0⤋