20" R-Sticks - Attic Measuring Rulers - Pack of 100

RT-440

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  • Regular price $18.00


Staple these R-Value rulers to attic joists to get the correct amount of insulation. This Universal (1" increments) ruler used with all types of blown insulation to provide a working gauge for installer and insurance of depth to inspector and owner. Made of cardboard stock 20" long.