Ultraseal™ Manually Venting (EV)

Wasco’s E-Class® installs in 1/3 the time and delivers up to 46% more daylight!

Our manually vented E-Class model (EV) is ready to go right out of the box – no mastic, no step-flashing, no sealants. Our one-piece curbframe and flashing design cuts 90 minute installation to 30 minutes!* Plus, Wasco E–Class skylights deliver up to 46% more daylight!** Our E–Class self-flashing skylights sit directly on the roof deck, giving you a larger glass area per rough opening compared to competitor. Backed by a 10 Year Leak Free Warranty.

The EV model is available in standard and custom sizes, with a wide range of accessories, glazings and finish color options. The EV comes standard with a crank handle that can be replaced with an optional crank handle that allows use of a Skylight Pole for hard to reach skylights.

Wasco’s E-Class skylights feature condensation control without the use of weep holes for maximum energy efficiency. Wasco’s thermally broken vinyl curb frame incorporates a large condensation channel that collects condensation until it can naturally evaporate, eliminating the need for drainage weep holes that allow outside air to pass through the curb, diminishing the energy efficiency of the skylight.

Wasco E-Class self-flashing skylights are for use with thin roofing materials such as composition, slate or wood shingles and shakes up to 3/4″ thick. All E-Class models require a minimum 3:12 roof pitch. A Metal Roof Adapter is available for low profile 1″ standing seam metal roofs with a minimum 4:12 pitch. Standard size models fit 16″ and 24″ on-center roof rafters.


* Compared to the leading competitor.  ** Venting models.

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  • Standard Sizes
  • Performance Data
  • Glazes and Finishes
  • Videos
EV2222 EV2230 EV2238 EV2246 EV2254 EV3030 EV3046 EV3054 EV4646
Rough Opening 22.5″ X 22.5″ 22.5″ X 30.5″ 22.5″ X 38.5″ 22.5″ X 46.5″ 22.5″ X 54.5″ 30.5″ X 30.5″ 30.5″ X 46.5″ 30.5″ X 54.5″ 46.5″ X 46.5″
Daylight Area 20.625″ X 20.625″ 20.625″ X 28.625″ 20.625″ 36.625″ 20.625″ X 44.625″ 20.625″ X 52.625″ 28.625″ X 28.625″ 28.625″ X 44.625″ 28.625″ X 52.625″ 44.625″ X 44.625″
Daylight Opening
(Square Feet)
2.95 4.1 5.25 6.39 7.54 5.69 8.87 10.46 13.83

Custom-sized E-Class self-flashing skylights are also available. Contact your local residential dealer or call 800-388-0293. SageGlass® glazing offered in select standard sizes only, no custom sizes available.

NOTE: For all rectangular units, specify dimension parallel to roof ridge first (width).

Thermal performance factors per NFRC 100

eMAX31 59% 0.48 0.25
eMAX3 Laminated1 58% 0.47 0.25
SageGlass®2: Clear 60% 0.28 0.41
Intermediate State 2 18% 0.28 0.15
Intermediate State 1 6% 0.28 0.10
Fully Tinted 1% 0.28 0.09

1Total Unit.  2Center of Glazing.

Explanation of Terms:

VLT (Visible Light): Radiant energy from 380nm – 780nm wavelengths. (% Transmittance): percentage of visible light directly transmitted through glass.

U-Factor: Air-to-air thermal conductance of glass and associated air/gas layers; units are Btu/hr.ft2 deg F.

SHGC (Solar Heat Gain Coefficient): Fraction of solar energy transferred indoors both directly (radiation) and indirectly (convection/absorption/re-radiation) through the glass (for reference, 1/8″ clear glass has a SHGC of 0.86).

Finish Colors

The standard baked enamel finish for all E-Class® Skylights is Quaker Bronze. Nine additional designer colors are available. Colors are shown below, approximated by computer display colors. Copper cladding is also available.



Glazing Options

eMAX3 Triple Silver Coated Glazing
Wasco’s standard glazing. eMAX3 is an energy efficient tempered over tempered glazing which meets the version 6.0 Energy Star program for all climate zones. The eMAX3 Triple Silver Coated Series is a high performance Low-E insulated tempered glass with argon. Also available with tempered over laminated glass.

SageGlass is advanced dynamic glass that is electronically tintable and provides a beautiful and cost-effective way to control sunlight without blinds or shades, so you can manage glare and heat while maintaining a view to the outdoors. SageGlass is eligible for a 30% Federal Tax Credit for the cost of the unit and installation.

Hurricane Resistant
Available in fixed model EFHR only. Wasco Skylights with hurricane-resistant glazing meet IBC/IRC/FBC and other stringent state building codes for skylights installed in Wind Zone 3 coastal applications. Hurricane resistant glass appears to be ordinary glass, but shields against damage from wind-borne debris, accidental impacts, forced entry and even unwanted noise.