Would it be OK to have a short boss pipe positioned under the floor with two 50mm wastes coming off both sides out of the floor. The floor is a solid floor that has been dug up. So will be filled with a weak concrete mix or sand and cement.
Thanks would I be best of using solvent and a glued adapter in the boss with it being in a solid floor? I though of trying to wrap some foam sheet around the connections or rockwool. To stop any movement in the floor effecting the fittings.
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