canopy Posted June 7, 2013 Share Posted June 7, 2013 Has anyone come across concrete forms like this picture sold in Thailand? Mainly what I need is the pour above grade to be round & neat and have a smooth, level top. If not available, any substitute ideas? Some sort of forms are a must as it will be vibrated. Link to comment Share on other sites More sharing options...
Crossy Posted June 8, 2013 Share Posted June 8, 2013 PVC or concrete pipe? No need to take it off after the concrete has set, already has a nice smooth surface finish. 1 Link to comment Share on other sites More sharing options...
IMHO Posted June 8, 2013 Share Posted June 8, 2013 Yep, concrete pipe is the norm - cheap and available in several sizes. Only issue is they're typically only 2.0-3.0M long, so bell ends will be visible if you need to stack them. Link to comment Share on other sites More sharing options...
canopy Posted June 8, 2013 Author Share Posted June 8, 2013 Yeah, I could use those cheap concrete pipe segments as the forms need to be just a half meter each. The downside is I need 25 of them which is a whole bunch and it is a bit tricky cutting those pipes with an angle grinder to have a nice squared up and smooth enough top for screeding. I also want to add some concrete color so would break the pipe form off above grade after it sets. Anything necessary/good to prevent sticking in this case? Link to comment Share on other sites More sharing options...
IMHO Posted June 8, 2013 Share Posted June 8, 2013 Yeah, I could use those cheap concrete pipe segments as the forms need to be just a half meter each. The downside is I need 25 of them which is a whole bunch and it is a bit tricky cutting those pipes with an angle grinder to have a nice squared up and smooth enough top for screeding. I also want to add some concrete color so would break the pipe form off above grade after it sets. Anything necessary/good to prevent sticking in this case? These pipes are normally made 'cottage industry' style - see if you can find someone who actually makes them (rather than just reselling) and have them made to order. Look for a place with both finished pipe sections and steel molds sitting around 1 Link to comment Share on other sites More sharing options...
splitlid Posted June 8, 2013 Share Posted June 8, 2013 homemart in cha am have them so I guess every outlet does, or can order. the cardboard forms I mean. 1 Link to comment Share on other sites More sharing options...
beechstreet Posted June 9, 2013 Share Posted June 9, 2013 The Homemart near me also stocks a few standard sizes, not sure what the prices are. I just bought some 150mmx2500mm cardboard tubes from "Singchai Industry" 02-451-4479 for 230B each. Link to comment Share on other sites More sharing options...
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