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Hurricane-Resistant Roof Tiles

Bart Cox of Hanson Roof Tile and Dave Peck of D. Peck Roofing explain the roof covering system to Bob as they tour the Punta Gorda storm-ready site. Cox explains how Hanson Roof Tile has improved their design and now manufactures extruded cement barrel tiles at four plants in Florida. The tiles are made of cement, sand, and pigment, and are extruded, cut, and pre-drilled for fasteners at the factory. Cox explains that tiles were once laid directly on top of the roof paper with no fastener or adhesive. In Florida, high winds later forced roofers to apply cement adhesive to the tiles. When fabrication shifted to a less-permeable cement product, the tiles no longer adhered to the cement. Now they are mechanically fastened into the roof decking through the pre-drilled holes. Dave Peck, who has been roofing for the past 15 years, explains a system that has evolved over the years in response to hurricanes, water, and wind damage. Their crews now mechanically attach the 30 pound felt paper, then hot mop each course of 90 pound roll roofing with asphalt and nail it in place along the upper edge of each course. At the final point of susceptibility, the hip or ridge line, the roofers now use a metal hip and ridge nailer board. The cap tiles are nailed to the board with additional foam adhesive underneath to keep them in place. Experience has taught the roofers that hip and ridge tiles must be firmly affixed to prevent blow-off and damge to field tiles and other property.
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Clip Transcript For:

Hurricane-Resistant Roof Tiles

  computer-generated transcript - may not be 100% accurate

" We're gonna talk about our roofing tiles right now with Bart Cox from Hanson this is the company that makes the top detect from the picked up roofing contracting company that's installing it. Let's talk first tile. The idea it's the look is like an old fashioned clay tile right. That's correct Bob it's basically concrete. Sand. And pigment for the color and so. It's no longer clay I mean I've heard stories in the old days they actually formed. The clay barrel tiles on people's eyes that can that's correct that was over 10000 years here and there are some of the same methods we're using now it's extruded concrete extruded through a machine that's correct in the factory -- pretty hefty stuff yes sir. It's hard to believe that a tile this heavy. Can be lifted off by hurricane winds as easily as we've seen. That's true there's we are a lot of lessons over the past few years from different --"

" That's good news. Now Dave peck how long have you been installing roofs in the state of Florida. About fifteen years yes so there's a lot to just roofing contractor just got in the last fifteen minutes this. There's so much demand after the hurricanes right exactly a lot of people flooded in. Now in the fifteen years that you've been in business have you seen a lot of kind of differences in the way that you're required to install roofs. Yes there's two we've learned a lot of bar set after several storms we've learned what works what doesn't so we keep tweaking it down to. We think is the best system in the empire field. Now many barrel tile and mission tile roofs were often in the past just laid down over the kind of roll roofing underneath it. And may be some patties of cement would kind of hold it together tell me how to -- to do -- and we'll look at how you do."

" Meet in different parts of the country and parts of the world they just laid in place right I think when it first came into the United States and in Florida it was cement on. But after years of testing changes in the product the product's a lot stronger than it used because he extruded right so it's a lot less profitable so the cement. Products didn't work that well you can cement patties to build quiet. So after Andrew we learned a lot we heard Andrew hurricane Andrew then we can I would different methods and did they did additional testing to see what works and what does."

" Now these are mechanically fastened up there with that through these holes right that's correct opened spring and the so there's screws that go all the way through down to into the plywood in -- literally have to let let's recap what's already been done here though it's. We know that we started off with. Five eighths inch plywood and then take us through the steps that have already been done before you put."

" Town diversity that does down as a thirty pound felt that mechanically fastened as well it's nailed -- nailed on with simplex nails right the next step is the hot mop situation with a ninety pound roll roofing is hot -- Don. It's also mechanically fastened at."

" up -- when we're talking about the hot mopping the it's actually hot melted tar that's being pumped up to the roof. And it's being mocked just like a kitchen -- over the phills and then."

" And then the night pound rolled roofing is rolled out on top of that topic and each successful course of that. Is nailed at the top the next course is mopped in over the top of that to cover this."

" So you got that much overlap right correct we got a real thick layer of asphalt on that roof before -- even contemplate the clay tiles exactly. Okay."

" But then and now we're looking at the slave house being put down and I -- a lot of metal and different things that I wasn't expecting."

" Tell me about what we're looking at for example right here on there. This based mayor something relatively new on this type of roof -- It's says thought that the ridge nailer boards defects."

" Straighter under that case and we deepen our job better. These come out this is something like it's a relatively new to this area right they'll help to hold on the hip and it's about one -- thing we've learned through the last storms. Is that hypocrites now which traditionally were just cemented -- men and include. Has brought back to the wind blew those off they would hit the field -- and therefore cause it fills out exit -- is is broken from the flying debris from the."

" All right so -- you're gonna hip and ridge the hip and or ridge of the roof we -- it just -- cap tile right that's correct exactly. They would -- so now those will be mechanically fastened into that steel. Actually and mechanically fastened and they're using foam adhesive on those that way it's and bite down both ends of the tile all right to great job thanks for coming on against."

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