Lightweight Rooftop Pools
A pool on a roof is a tank and a roof at once. The catalogue does not invent a build-up mass.
polyurethane membrane
2K mix errors
Two-component kits fail in the pot. Mix the whole kit to the A:B on the current TDS.
Pinholes are outgassing and porosity. Blisters are moisture or vapour under a fresh film.
Ponding is a design condition
A fully adhered membrane may sit under standing water only if the written system is rated for it.
Three numbers that decide a shift. Weather apps are not an application window.
Crack-bridging class, stated in the cold
A membrane that moves at laboratory temperature can still tear at minus ten.
