Explain the difference between PB EIFS and PM EIFS and why PB EIFS is more commonly used.
What will be an ideal response?
PB EIFS uses expanded polystyrene (EPS), which is adhered to substrate. PM EIFS uses extruded polystyrene (XPS),
which is anchored to substrate. PB EIFS cladding is less expensive and easier to install than PM EIFS and hence
commonly used.
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