Triple IG Unit Spacer Alignment Tolerance

I am in search of a document, preferably ASTM or similar, that outlines:

  • the tolerances for IG units in regards to spacer alignment, in terms of the straightness of the spacer along any givenĀ length for foam spacers, and
  • the parallel alignment of spacers in triple IG units

If anyone knows where I can find this information, I have about exhausted my search online.


Andy Chong
Tue, 05/05/2020 - 03:42

Hello Geoff Shellard,

Are you looking for ASTM quality standard files?



I have read and I agree to's Terms of Use, including Privacy Policy and Cookie Use.