During window installation, what is the most critical factor for preventing water infiltration in Florida's climate?
Correct Answer
D) Proper flashing and weatherproofing sequence
Proper flashing installation following the correct sequence (bottom, sides, then top) is critical for preventing water infiltration. This creates a weather-resistant barrier around the window opening.
Why This Is the Correct Answer
Proper flashing and weatherproofing sequence is the most critical factor because it creates a continuous water-resistant barrier that directs water away from the window opening. In Florida's climate with heavy rains, hurricanes, and high humidity, the correct installation sequence (bottom, sides, then top) ensures water cannot penetrate behind the window assembly. This systematic approach prevents water infiltration that could cause structural damage, mold growth, and interior damage.
Why the Other Options Are Wrong
Option A: Using double-pane glass
Window size has no bearing on water infiltration prevention - larger windows may actually create more potential leak points if not properly flashed and sealed.
Option B: Installing larger windows
Double-pane glass provides energy efficiency and condensation control but does not prevent water infiltration around the window frame and opening.
Memory Technique
Remember 'BST' - Bottom, Sides, Top flashing sequence, and think 'Water Wins' - water infiltration will always find the weakest point, so proper flashing sequence is critical
Reference Hint
Florida Building Code Chapter 14 - Exterior Walls, and manufacturer installation instructions for window flashing details
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