2 layers silver 20

[Guest VOLTRON]

I have a customer I put silver 20 on thier windows (dealership sales tower) and now they want something darker. Actually want zero light coming in the top windows. The bottom windows are 5x6 and top windows are 5x5. I know I wont be able to warranty it with 2 layers of silver 20 but what would be safer? 2 layers of silver 20 or put blackout on the outside of the windows? Or any other suggestions maybe.

[TintDude]

Plywood? sucks that they aren't happy with 4%, did you still get paid?

[Guest vclimber]

Exterior blackout is gonna look terrible in a year unless you use some good vinyl.

Is this for privacy?

[Guest VOLTRON]

yea I did this job last year and already got paid. The sun being in the south is what is bothering them. Its not for privacy it is that the sun is right in all the sales managers faces during the day and they can hardly see the computer screens.

They are supposed to be moving to a new dealership next year so how it will look in a year is ok. I am just wondering what would be safer. Should I do exterior blackout or do you think 2 layers of 20% would be safer for dual pane. With 2 layers of 20 make it 4%?

[Guest haroldshouseoftint]

depending on the 20% silver, and AR it should be fine, I have done a layer of 20% bronze and gone over it with SL180 to make it dark and had no problems with breakage or seal faliure but V climber is the man to ask about flatglass stuff my exp. in flat glass is limited to about 5 years

[Guest VOLTRON]

AR? what you mean?

[Guest haroldshouseoftint]

AR? what you mean?

Absorption rate (spell check)

[Guest VOLTRON]

well it has r20 on it now but if I do another layer it will be srs220.

[Guest haroldshouseoftint]

srs 220 is safe for dual pane glass

[Guest VOLTRON]

yea I know it is safe but I am askin about 2 layers of it back to back on dual pain.