DPM or __ Membrane, Keeps Walls Moisture-Free
This page is the CodyCross answer for the clue below from Chile, Group 2292, Puzzle 1 (Puerto Varas).
Question is: DPM or __ Membrane, Keeps Walls Moisture-Free
and the answer is: DAMPPROOF
Word Meaning:
DAMPPROOF — Resistant to the effects of damp.
Definitions from Wiktionary.