Dust accumulation can disrupt the effectiveness of reflective insulation. True 10% False 80% Not sure 10% Get Free Quotes Today! Question: Dust accumulation can disrupt the effectiveness of reflective insulation. Top Answer (80% of 10 votes): False. Answer: False Explanation: As long as there is an air barrier between aluminum your good. USA Home Pro Services LLC Answer: False Explanation: Never heard that Saunders Insulation Answer: True Explanation: Dust accumulation can disrupt the effectiveness of reflective insulation. Seacrest Renovations Get Free Quotes From Local Pros ProMatcher Get Free Quotes Today! Find Local Pros Free Reflective Insulation Installation Cost Estimates Related Questions How much does it cost to install insulation in Phoenix, AZ? Radiant barriers with high reflectivity and low emissivity are the most effective at preventing the transfer of heat into your home. Top answer: True Thermal insulation is more effective than reflective insulation in colder climates.Top answer: True Reflective insulation is most effective in warmer climates.Top answer: True How Much Does It Cost for Spray Foam Insulation?