Dust accumulation can disrupt the effectiveness of reflective insulation. True 11% False 77% Not sure 11% Get Free Quotes Today! Question: Dust accumulation can disrupt the effectiveness of reflective insulation. Top Answer (77% of 9 votes): False. Answer: False Explanation: Never heard that Saunders Insulation Answer: True Explanation: Dust accumulation can disrupt the effectiveness of reflective insulation. Seacrest Renovations Answer: False Explanation: Dust will not effect. TLS Energy Savers 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?