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- Storm-Ready Design > Episode 3: Building a Storm-Ready Roof
Inspecting the Steel Reinforcements Before the Concrete Pour
Project: Storm-Ready Design, Episode 3, Part 2
This episode of Bob Vila will focus on roofs, how they are built and tied down to keep structures safe. Leslie Chapman-Henderson from FLASH, the Federal Alliance for Safe Housing, explains how FLASH brings information about safe housing technologies and practices to homes across America, to protect them against floods, winds, hail, and wildfires. Chapman-Henderson explains how a connected house works as a system to beat back the pushing and pulling forces of wind. Randy Shackelford of Simpson Strong-Tie shows Bob the embedded truss anchors that will tie down each truss member of the roof framing, as well as retrofit tie-downs and heavy connectors designed to fight wind uplift forces. Jesse Gonzalez walks Bob through the steel-framed interior that has a master suite and bath, and lots of open space. Bart Cox of Hanson Roof Tiles brings factory-extruded cement clay-look tiles that are pre-drilled for mechanical installation. Dave Peck of D. Peck Roofing explains that stiffer 5/8-inch plywood sheathing, 30 pound felt that is nailed, hot mopped with asphalt, and covered with 90 pound felt makes a strong, water-resistant roof deck for the tiles. Metal nailer boards keep cap tiles in place when wind strikes.
- Part 1: Reviewing the Work Involved in Building a Hurricane-Resistant Home
- Part 2: Inspecting the Steel Reinforcements Before the Concrete Pour
- Jesse Gonzalez joins Bob at the Punta Gorda storm-ready home to explain the roofing process. The crew has already nailed on the 30 pound asphalt-impregnated felt paper. They are now hot mopping 90 pound roll roofing with asphalt adhesive to make it adhere to the felt paper below. Gonzalez shows Bob the decorative wood dormers on the front of the house that are wrapped in house paper to protect against water intrusion. Bob remarks on the decorative arches above the front entry porch and the front window. They mirror each other as design elements and will both feature decorative columns. Around the back of the house the crew is completing a section of roof deck. They are using 5/8-inch plywood sheathing for a stiffer, more wind-resistant roof deck. The crew uses metal plywood clips to align the plywood and keep it even for nailing.
- Part 3: Hurricane-Resistant Roof Tiles
When hurricanes strike again and again, as they did in Florida in 2004, the effects are devastating. Bob Vila and crew work to completely rebuild a damaged house, using new standards for storm-ready housing. Along the way, Bob investigates a home's vulnerabilities in extreme weather and learns why some building systems fail and others succeed.
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