Browse Forums Paving & Concreting 1 Jun 04, 2010 11:48 am A general question about waterproofing and concrete...If you are putting a topping over existing concrete that is affected by dampness...what is the best additive to use? someone recently said a product called silasec (silicon based) followed by a surface membrane...others stand by bondcrete.... Onc if you're around....any suggestions? thanks heaps It will be neat but you won't have much freeboard. At least they are not weep holes. Are you in a high intensity rainfall region? The regulatory slope is only required… 3 8245 We've had decent weather for last 7 weeks and now the drvieway has been cut out we had an evening of 50mm of rain including all the water from half the street, ground is… 0 4462 Just get as close as you can without hitting the posts. Once you are close to the edge of the path the chance of cracking is minimised. 7 9146 |