The Rehab Guide, Volume 2: Exterior Walls - ToolBase Services

■ Profiles and reinforcements: High-end products, such as Wolverine’s Super Premium Portfolio HP,provide thicknesses up to 0.055 inch, deeper reveals, reinforced nailing hems, and stronger lockingprofiles. Wolverine offers a fiberglass reinforcement bar in its Benchmark series that overlaps adjacentpanels and provides increased rigidity. Wolverine has recently developed a flexible nail hem on itsMillennium series that eliminates the conventional slotted hem, making fastening faster and simpler,reducing expansion and contraction problems, and allowing the use of stapling as well as nailing.Certainteed, Heartland, and Alside also have developed reinforced interlocks (Fig. 1).■ Insulated siding products: Progressive Foam Products manufactures an insulated contoured underlayment,ThermoWall ® , that is designed to go over existing siding products, provide a rigid base for new vinylsiding and add an R-value of up to 4.2 to the existing wall. The underlayment panels (Fig. 2), 20 incheshigh, 48 inches long, and minimum 1 /2 inch thick, are profile-specific and have been developed for overWOLVERINE ® MILLENNIUM SIDINGALSIDE CENTERLOCKBENCHMARK LAPLOCKCERTAINTEED CERTILOCKWOLVERINE ® GRIPLOCKSTANDARD VINYL SIDINGS46 FIGURE 1VINYL SIDING LOCKING PROFILES