| HYZOD sheet may be installed using wet or dry glazing systems, although Sheffield warns against the use of PVC gasketing. The material may also be used for double-glazing or over-glazing applications for added insulation and security. Maintain adequate separation between the glazing panels to prevent touching during high humidity and/or high heat conditions. Recommended Sealants, Gaskets and Tapes | Product Type | Product Name | Manufacturer | | Silicone | Dow 795, Dow 999, Trademate* | Dow-Corning Corp Midland, MI | | Silicone | Silpruf**, Construction 1200** | General Electric Co. Waterford, NY | | Gasket | Silicone (70D), EPDM (60,70D) | Tremco Columbus, OH | | Tape | 440 | Tremco Beechwood. OH | | Butyl Tape | 303 | KPTI Dayton, OH | | Gasket/Tape | Norrene*** Foam V-2100 Urethane | Norton Company Granville, NY | | Butyl Tape | Isocyrl 5600 | Schnee-Morehead Irving, TX | * Registered Trademark of Dow-Corning Corp.
** Registered Trademark of Dow-Corning Corp.
*** Registered Trademark of Dow-Corning Corp. | Expansion Allowances - Edge Engagements | Sheet Size | 24" x 24" | 24" x 36" | 36" x 48" | 48" x 60" | | Expansion Allowance | 1/8" x 1/8" | 1/8" x 3/16" | 3/16" x 1/4" | 1/4" x 5/16" | | Edge Engagement | 3/8" | 1/2" | 9/16" | 3/4" | | Rabbet Depth | 1/2" | 11/16" | 13/16" | 1-1/6" | Expansion Allowances
As a general guideline, glazing systems should be designed to allow 1/16" per foot of length and width as the expansion in the sash.
| Comparitive Expansion Rates | | Material | in./in. °F | | Glass | .0000050 | | HYZOD Sheet | .0000375 | | Aluminum | .0000129 | | Steel | .0000063 | | Acrylic | .0000410 | | | | Light Transmission (Initial) | | | Clear | Bronze or Gray | | Gauge | Visible | Solar Energy | Visible | Solar Energy | | 3/23" | 87% | 90% | 50% | 58% | | 1/8" | 86% | 89% | 50% | 58% | | 3/16" | 84% | 88% | 50% | 58% | | 1/4" | 82% | 86% | 50% | 58% | | 
  
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