back troweled , “keyed in”?

English to French Tech/Engineering Construction / Civil Engineering University course

Does the adhesive need to be back troweled
or “keyed in”?

Discussion

Althea Draper Dec 15, 2020:

Keying in and back trowelling makes the ridges in the adhesive (grout) so that the tiles stick properly. From my civil engineering dictionary

"accrochage m adhesion [of layers, e.g. paint, rendering,road metal], keying, or roughening to provide a key

keying [roughening] accrochage m"

English term

back troweled , “keyed in”?

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English term

back troweled , “keyed in”?

Discussion

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