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plasteco

model 407 and 408
Non-Rated, Curb Mounted Melt-Out (Drop Out) Automatic Heat & Smoke Vents

Models 407 & 408

Models 407 and 408 curb mounted heat and smoke vents are identical in design to our 417-418 models except the units do not have a 12-inch high curb.

Specifications: Curb-mounting, melt-out (drop-out) automatic heat and smoke vents shall be single glazed model 407 (model 408 double glazed) as manufactured by Plasteco.

Inner and outer frame shall be 6063-T5 extruded aluminum. Glazing shall be white translucent acrylic designed to withstand a 10 psf snow load.

Model 408 double glazed unit shall have an inner pyramid consisting of clear acrylic. Maximum curb thickness shall be 1-1/2-inch. Curbs for 5098 size units shall have a 2 x 4 or a 1-1/2-inch square tubing to serve as a structural support for the center mullion. Unit shall be furnished with plastic snap-on counter flashing to be installed after curb flashing is completed.

Fall protection as required by OSHA Regulation 29 CFR 1910.23 (e)(8) shall be provided by FallGuard® Skylight Screens and will be shipped separately and installed prior to the installation of the melt-out heat and smoke vent.

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Hail Stone Screen- Unit shall have a 1/2-inch x 1/2-inch x .063-inch galvanized welded wire mesh overlaid onto FallGuard® Skylight Screens to reduce hail damage to skylights.

Single-GlazedDouble-GlazedOutside Curb
407-5050408-505051" x 51"
407-5098408-509851" x 99"