At 4 °C the Set Took Forty Minutes: Cold-Weather Gel Behaviour
Set time can quadruple between 20 °C and 4 °C. Four winter fixes that work, the overdose trap that hides free liquid, and how to test at field temperature.
The Unheated Marquee: What Frost Does to a Snow Build Overnight
Minus 4 C at 2 a.m., a marquee with no heating, and 80 m² of snow laid that afternoon at 1:19. By morning the surface had a hard, glassy skin that cracked into plates underfoot, and the material underneath had gone from fluffy to dense and slightly translucent. The client described it as looking lik…
