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Clay Tile Roof Installation and Factory Tour
computer-generated transcript - may not be 100% accurate
" You've done all the preliminary roofing prior to putting down the clay tile right? What is the white stuff?"
" Well we put a 90 pound rolled roofing down."
" Sure."
" That's to protect the house, waterproof it in these stages before we actually put the tile on."
" Okay."
" I guess we'll never see the lighter day."
" Okay, then the one question I have is you kind of roughly laid out all these 2 by 6's that outlined the hip of the roof, how come?"
" Well, what this do is they provide backing forward, the hip and the ridge caps. When you lay a tile roof, we've got some similar pieces here on what we're gonna be using, you lay one like this and this is what's called a 2 piece "S" tile roof. They're laid like so."
" Yeah."
" And then there's a cap that goes on the top like this."
" Mm-hmm."
" And will end up mortaring this, this will be a full mortar job."
" So that's why you need the extra 6 inches to raise the cap."
" Right and some place to nail into."
" And then you really just lay mortar in here."
" Guess it's filled and packed in with mortar that's correct."
" And that's how you get it to stay out."
" That is, and has this, well this will be nailed as a pre-punched nail hole right there."
" Sharp."
" Great."
" That's how it stays."
" It could be a nice roof. "
" It could be a very nice roof. "
" Okay, well have you counted them Joe?"
" Yeah. Sure all afternoon. No, I've actually ordered about 20 percent extra my guess is they're rough and random, like they're were looking just that."
" How many square bag roof tile that we have?"
" We have 23 square up here."
" Okay, well they look like those handmade tiles, they are clayed that runs through and through, they're really beautiful tile and if you wanna see how they're made just watch we went to Mexico."
" George, I thought that all red clay tile was made out of red clay."
" Not really Bob. Actually, it's a combination of clays and granite and what we do we blend that clay over there which is called the olive clay."
" Olive green, yeah."
" Olive green and we use the local clay that brown over there."
" Which is brown."
" Yeah, and some granite. And what we do is..."
" Where do you get all that? Is that from around here?"
" Actually, it's about 60 miles from here."
" This is the finished product you got in here."
" So you just mixed it up on the ground, you have this..."
" That's it."
" This bunch of stuff. Some of it is indeed olive color and some of it is brownish red."
" Right."
" And then what?"
" And what we do with this skip loader, ones the load is, when the mixer is there, we'll dump this into the hot air over there and then we'll start the grinding process."
" So you begin breaking it down into a finer material."
" Yes, yeah, what it is, is we have to just bring the pieces down to an ultra sand like a powder consistency."
" And this is the first step, dumping it in here."
" Exactly, yeah."
" Well, it looks like it's a pretty dusty proposition."
" Yeah."
" Let's go look at the other end."
" Yeah, let's go follow me."
" So George you've got the material down to a fine, fine clay and now what happens in here?"
" Okay, what happen in here Bob is this fine powder, this fine clay will be transferred into this hopper and then you mix with water and it's pushed down into the vacuum chamber of the extruder machine and will come down at your end."
" So this is the vacuum chamber of the extruder over here. This is part [unk] of the clip it isn't it?"
" Yes, it is, it is dry and quite old. Well here Bob did you see that [unk] coming -- the final [unk] coming out of the extruder at this point we're making a 2 piece but we could change this dye to any dye, you know we can make it to the Baja [unk] "S" tile to the light weight "S" tile."
" Depending on the head that you put there."
" Exactly."
" That determines the state of the tile."
" To the cover."
" And then here the machine tapers the end of it."
" That's correct. Each single piece will be exactly the same."
" And from here where do they go? You put them on racks?"
" Yeah we put them to racks and they're taken all the way to dried room."
" Let's go take a look."
" Okay, let's go."
" The design of these skills is really centuries old isn't it?"
" Yes it is Bob. This is something very unique about Redland clay we're keeping out the tradition that started long, long time ago in the 1500 with"
" A colonial tile."
" The colonial type, yeah."
" Now this is pretty unusual I wouldn't have expected to see them stacked vertically now."
" Yeah, the reason for that is because the weight and also since fire the kilns to about 1850 Fahrenheit they get so hot you know, even now you can see it glowing in there."
" Yeah, well that's a lot of temperature. How long does it take to make a batch of tiles like this?"
" Okay, it usually takes about 2 days to load up the kiln and then about 2 days, 30 hours to fire the kiln and then 2 days to cool off the tile."
" To cool it back down."
" Yes."
" So it really takes a week to make a batch of, we're up about maybe 30 feet."
" Just about it."
" Yeah. How many tiles do you figure are in there, several pounds?"
" We keep it about 2400 pieces in here."
" Wow! That's amazing. And then can we see them being taken out?"
" Sure."
" Yeah."
" I'll take you over here and show you."
" George, you're in-charge of quality control here, what are your main concerns?"
" Yeah my main concern of the tile would be a strong enough. They're waterproof and would be the uniqueness of our colors there, true colored clay."
" That's right they're not painted tiles in anyway."
" No, they are not, not at all."