TomTint 704 Report post Posted January 3 1 hour ago, jh812 said: The tser is not that high it's 50. The reflectivity of Delta 35 is 13% so reflectivity is low. Ahhh, I thought the TSER was better.. in which case if it is only 50%... I would look at other options that are not as dark as 35% ..particularly in a resi installation. Share this post Link to post