Increasing The Solar Heat Gain Coefficient Of Your Windows And Why It Matters

Increasing The Solar Heat Gain Coefficient Of Your Windows And Why It Matters

Window Shades
Skylight Shades
RV Skirting
RV Shades
Boat Shades
13232SHGC stands for Solar Heat Gain Coefficient. This number is commonly used as a guide line for rating the energy efficiency of windows and their various shading treatments.

 

The old term for term for this measurement was shading coefficient. SHGC values range from 0 to 1. The lower the SHGC number, the less solar gain or heat passing through the window. Many power utilities offer rebates to customers who upgrade their windows. They typically will give you a rebate based on the total SHGC number of your upgraded product.

 

Little known Secret
Most of these rebate programs will give you a rebate if your upgraded windows have a SHGC # of .4 or less.
Many times you can still qualify for a rebate if you add an exterior shading product that has a SHGC # of .4 or less. Be sure to check with your local power utility to find out the details of their specific rebate program.
The EZ Snap shading mesh has a SHGC of .1827.  This SHGC number is based on a solar profile angle of 45 degrees (most common) and a clear, double pane window.

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Place approximately 12 inches apart on the lens of the skylight.

AirFlo™ Spacers are recommended for all Dome Skylights or Skylights with Plastic Lens.

To use: Place the spacers approximately 12 inches apart or how every many
would be required to keep the mesh from laying on the skylight lens.

Why do we suggest the AirFlo Spacers: Many dome skylights are quality, "Made in America" skylights, but unfortunately there are
a lot of skylights on the market now that are made off-shore. In very hot weather, these poorly made skylight lens can develop crazing or imperfections in the
plastic of the skylight lens. This is caused by an excessive heat build-up in the sub-standard plastic lens.
The AirFlo™ spacers lift the shading mesh off of the lens of the skylight, allowing the excess heat to dissipate.

NOTE: Using AirFlo Spacers will slightly increase the size of the dimensions of the shading mesh you will need.

If you are confident that you have a quality built dome skylight, then these spacers
are probably not necessary for your project, but if you are unsure, better to be safe than sorry.

Outside View Black EZ Snap Shade Screens

OUTSIDE VIEW - BLACK EZ Snap Shade Screens.

INSIDE VIEW - BLACK EZ Snap Shade Screens

Outside View White EZ Snap Shade Screens

OUTSIDE VIEW - WHITE EZ Snap Shade Screens

Inside View White EZ Snap Shade Screens

INSIDE VIEW - WHITE EZ Snap Shade Screens

The Primer Pen is used for applications where it is necessary to increase the surface adhesion of the EZ Snap stud.

Contains a 3M Clear, Colorless primer. Enough to prime the surface area for approximately 50 studs.

To use: Shake the pen well before using.
A gentle squeeze 1″ in from the felt tip, ruptures the inner membrane, allowing the contents to be easily dispensed.
Apply a thin, uniform coating to the bonding surface using the minimum amount that will fully coat the surface.
Dries clear. Allow to dry thoroughly before applying the studs. This takes approximately 5 minutes at room temperature.
Extremely porous surfaces may need a second application for uniform coverage and good adhesion.

TIP: Make a template, cut-out to the same size as the stud.
This prevents wasting primer by only priming the area that the stud will bond to.
**As with all primer type products, test on small area first to ensure it is compatible with surface.