SECTION 07810

PLASTIC UNIT SKYLIGHTS

PART	GENERAL

SECTION INCLUDES

Plastic skylight and frame.

[Integral [insulated] curb.]

[Ceiling dome.]

[Counterflashings.]

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [______-____________]: Placement of roof opening curbs and flashings.

RELATED SECTIONS

Section 05500 - Metal Fabrications: Fabricated steel framed opening.

Section 06114 - Wood Blocking and Curbing: Wood support curbs.

Section 07190 - Vapor and Air Barriers: System perimeter vapor and air seal.

Section [______-____________]: Roofing system [and base flashing at skylight curb].

Section 07620 - Sheet Metal Flashing and Trim: Skylight counterflashing.

[Section 09900 - Painting: Field painting of flashings.]

REFERENCES

FS TT-C-494 - Coating Compound, Bituminous, Solvent Type, Acid Resistant.

PERFORMANCE REQUIREMENTS

Allow for expansion and contraction within system components caused by a cycling surface temperature range of [170] [____] F degrees ([95] [____] C degrees) without causing detrimental effects to system or components.

Withstand dead loads and live loads and pressure and suction of wind acting vertically [as calculated in accordance with [________] code.] [to a design pressure of [____] lb/sq ft ([____] kPa) and suction of [____] lb/sq ft ([____] kPa).]

Route condensation to [interior.] [exterior.]

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings: Indicate configurations, dimensions, locations, fastening methods, and installation details.

Product Data: Provide characteristics of light admitted, transparency, and [________].

Manufacturer's Installation Instructions: Indicate special procedures, perimeter conditions requiring special attention, and [________].

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

COORDINATION

Coordinate work under provisions of Section [01039.] [________.]

Coordinate the work with the installation of [wood curbs] [and] [roofing system].

Coordinate this section with dimensions, tolerances, and method of attachment with other adjacent work.

[Coordinate the work with the continuity of air [and vapor] barrier work of Section [07190] [________].]

WARRANTY

Provide [two] [____] year warranty under provisions of Section [01700.] [________.]

Warranty: Include coverage for weather and water tightness of skylight assembly [and seal with roofing system].

PART	PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

MATERIALS

Single Dome: [Acrylic] [Polycarbonate] plastic, [____] inch ([____] mm) thick; [clear.] [white translucent.] [________.]

Double Dome: [Acrylic] [Polycarbonate] plastic, [____] inch ([____] mm) thick; [air] [argon] seal the space:

Outer Dome: [clear] [white translucent] [________]

Inner Dome: [clear] [white translucent] [________]

Shape: [Convex.] [Pyramidal.] [________.]

Configuration: [Single] [Multiple] [________] units.

Nominal Size: [[____x____] inches ([____x____] mm) single unit.] [As scheduled.]

Unit Frame: Extruded aluminum [thermally broken,] reinforced [and welded] corner joints, integral curb frame mounting flange [and counterflashing] to receive roofing flashing system, with integral condensation [collection] [drainage] gutter, dome retainer.

Ceiling Dome: Acrylic plastic, [____] inch ([____] mm) thick, [white translucent] [clear] [________], set in [extruded aluminum] [formed metal] frame, [white] [________] enamel finish [with hinged access feature to light well above,] [configuration of perimeter frame to suit ceiling system].

Support Curb: Sheet aluminum, sandwich construction; [____] inch ([____] mm) thick, [____] inches ([____] mm) high; [[glass fiber] [rigid plastic] [________] insulation] [un-insulated]; with integral flange for anchorage to roof deck.

ACCESSORIES

Anchorage Devices: Type recommended by manufacturer, [exposed to view.] [concealed.]

Counterflashings: Same metal type and finish as [roof flashing metal.] [skylight frame.]

Protective Back Coating: [FS TT-C-494, bituminous.] [________.]

Sealant: [Specified in Section 07900.] [________.]

FABRICATION

Fabricate free of visual distortion and defects.

Fabricate for a weather tight assembly.

Apply bituminous paint on aluminum surfaces of units in contact with cementitious materials or dissimilar metals.

FINISHES

Aluminum: [Clear anodized.] [Mill finish.] [________.]

PART	EXECUTION

EXAMINATION

Verify that openings [and adjoining air and vapor seal] materials are ready to receive work of this Section.

INSTALLATION

Install in accordance with manufacturer's instructions.

[Install aluminum curb frame.]

Place unit and secure to curb frame. [Counterflash] [Flash] into roof system.

Apply sealant, seal water tight.

Provide weather tight installation.

CLEANING

Remove protective material from prefinished aluminum surfaces.

Wash down exposed surfaces; wipe surfaces clean.

Remove excess sealant.

SCHEDULE

Main Roof: Single dome, clear, pyramid shape, 36 x 36 inches, mill finished aluminum frame. Translucent ceiling dome placed into suspended ceiling system.

Atrium Roof: Double dome ganged into two rows as detailed, clear outer and inner domes, convex shape, dark bronze anodized aluminum frame.

END OF SECTION