identifying old sealed unit (Low e?)

New to this kind of Forum; use this test area to sumbit test posts, replies, and try out your smiles!
Post Reply
Message
Author
Jungle
Posts: 7
Joined: Thu Mar 18, 2021 2:31 pm

identifying old sealed unit (Low e?)

#1 Post by Jungle »

I have some 32 year old Andersen windows with double pane glass units. I am trying to determine if they had a low e coating. The etchings on the glass are

IGMAC
R-Plus
WPG
1989

Thanks for any insight.

Jim

Post Reply