Glass Tips from Verrier

Description A frit stretch in the flattening developed two internal cracks at 4:00 and 8:00 going through colours (but not felt on top ...

Despite not opening the kiln until it was 120 degrees, a ¾" crack formed in the middle of a 15" x 15" flat fused 1/4 ” slum...

Why do schedules vary so widely? I frequently observe strange annealing schedules promoted on the internet. These include: extremely l...

Credit: The Pottery Wheel There will be differences when firing on the floor of a kiln - the two important ones are working temperature and ...

  "No need to anneal dots assuming they’ll be used in projects." Because dots are small they anneal in a short time, therefore n...

Why is the stress not relieved after the strain point when slumping? The answer relates to whether it is on the cool or on the heat up. Co...

From time to time the assertion is that a break during the heat up of a blank while slumping is the result of residual stress remaining in a...

  Annealing Includes Cooling Often people recommend a long anneal soak for potentially difficult pieces followed by an arbitrary 55C/100F c...

Example used with the maker’s permission Piece in kiln ready to fire Description of the piece. A commissioned piece made up of B...

There are writings from a teacher attempting to make glass fusing simple.   Unfortunately, glass physics and chemistry are very complicate...