Can somebody here tell me how to make roof tiles from concrete? Should be easy, right?
Answered: 2019-12-09 19:30:33
If you want to make micro-concrete tiles, it's pretty hard to find any videos online actually (you'll find plenty advising against it, but honestly, mine have been up for 3 years, it's fine) description
It seems like all you would need to make concrete tiles would be a simple slump mold for the cement. You can make a sheet of molds out of silicone mold compound, so that each one just popped right out without the edges chipping. You could use fiber cement mixed 4:1 so it's rather dry. Buy some tiles you like, seal them with varnish, and make a silicone mold out of them. If you get white cement, 30lbs could be enough for the whole house. Reinforce the roof supports too.
I wouldn't bother with concrete roof tiles, being perfectly honest. That's coming from a roofer for the past 17 years. Clay tiles will last a lot longer and weather better for you. Concrete tiles last around 20 years, but clay could last 100, so if this is a family home, you're simply getting more bang for your dollar. Also, clay tiles are pretty easy to make at home, you just get a template and replicate that, they harden in the sun. So, forget about the concrete and go with clay.
Don't make concrete tiles yourself. You simply don't have the right materials. Concrete tiles are made in factories and are totally lightweight. Did you know that people's roofs have collapsed because of home made concrete tiles? Yeah, they have. So, it's a big no-no. Suck it up and buy the lightweight ones and you will be safe and sound with a good roof.
You need a special machine for this. It's nothing fancy and perhaps if you're near a large hardware store, you can hire one out, but otherwise you will struggle to make concrete tiles. Also, note that concrete can be a dangerous material to work with, so do wear protective materials. Also, the mix should be carefully prepared, do pay attention to expert information.
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