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Concrete Path Joining to Existing Concrete - is Gap Required?

Posted: Wed Apr 09, 2014 6:08 pm
by Glennske
I am making a short path next to the concrete drive approx 550mm wide and 4000mm long, so that we have more space when getting in the car.

Can I lay the new concrete right butt up to the existing concrete?

Would this crack at the edges or would a gap better, or an expansion joint?

If I need a gap how do I achieve this?

Kind Regards

Re: Concrete Path Joining to Existing Concrete - is Gap Required?

Posted: Thu Apr 10, 2014 10:42 am
by welsh brickie
it will crack, its best to lay the concrete and cut it later when its set, with a diamond bladed cutter, if you lay a plank on the concrete as a guide and run the cutter along the plank it will give you a perfect line.