Forum Title: Slip-Tongue Spline Question
I'm installing 3/4 solid t&g flooring. I've made up some spline stock for the backlaying work. I've read some info that recommends putting a piece of floor board, with its groove enveloping the spline, beside the flooring nailer to keep the spline at the correct angle as the double-splined board is being nailed. If I use this technique to keep the spline aligned is it necessary to glue the spline to the double-splined board? I'm sure that adding the glue wouldn't hurt but does it really help in this situation? I can understand gluing the spline into one of the boards in an end-to-end joint where there won't be a nail.
Category: Flooring Post By: HAROLD MITCHELL (Sierra Vista, AZ), 02/13/2019

JIMMIEM said: ? ...If I use this technique to keep the spline aligned is it necessary to glue the spline to the double-splined board? I'm sure that adding the glue wouldn't hurt but does it really help in this situation?...Click to expand... If you look at it a nail would barely hold it in place.

- CLINTON PADILLA (Sheboygan, WI), 05/11/2019

A spline must be glued into only one side so they can expand and contract independent of each other

- KRISTEN BARNETT (Kissimmee, FL), 04/15/2019

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