Pinch-resistant garage doors feature a design that pushes fingers out of harm's way should they accidentally be placed too close to a closing door. Tamper resistant bottom brackets reduce the chance of harm from garage door parts under tension. The polyurethane insulation even provides better fire safety in that this kind of insulation lessens the number of smoke and fires in case of a fire. The thermal property of insulation is expressed as an R-value. A higher R-value reduces external noise and assists the door work more quietly. Many Insultated Doors are built using polystyrene or polyurethane foam.

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