Thin Strips of Wood That Make Space for Insulation
This page is the CodyCross answer for the clue below from Photography, Group 2010, Puzzle 3 (Fill Flashes).
Question is: Thin Strips of Wood That Make Space for Insulation
and the answer is: FURRING
Word Meaning:
FURRING — present participle and gerund of fur
Definitions from Wiktionary.