Cold Lay Macadam Driveway Extension

MOPI

I am looking to extend the existing tarmac driveway to my property, for which the extended area would be approx 1.8m by 5.5m. I have seen a variety of 'instant' cold lay macadam products available, which are advertised as being suitable for tasks such as extending existing pathways and filling potholes. 

My question is - would this sort of product be suitable for using for this size of project or is there a reason that the description of these products are usually associated with small tasks e.g. potholes etc? 

Also any advice on how to lay this macadam would be gratefully received!

Thanks in advance

Ajmason42

Personally I wouldn’t for that size. A local reputable contractor can advise. 

grumbler

AFAIK you need a planning permission if you use non-permeable material.

Mickey666

I've used cold lay macadam quite a few times but only for repairing potholes and it's pretty hard work because the stuff is very hard unless it's a really hot day and with no easy way of heating it right through it makes for a very difficult job.   Also, don't underestimate the importance of a good sub-base, which will likely take longer to prepare than the tarmac itself.

I would say the area you're looking at covering is too large for cold lay macadam because a) it will be really hard work so you'll rush it and b) even if you hire a vibrating roller it's likely to be so inflexible that it will be difficult to get a good quality finish.

I would not attempt it myself and would look for a good local contractor who will have all the right tools and access to hot macadam for a good quality job.
Lots of good information here: https://www.pavingexpert.com/tarmacadam-surfacing