No, but we recommend you store the products at room temperature and avoid direct sunlight.
For more tips on how to best use our product, we recommend watching our tutorial videos for HeatnBond UltraHold, HeatnBond Lite and Featherlite, HeatnBond Hem Tape, and HeatnBond SoftStretch. These are valuable for first-time users to better understand the product and its applications as well as seasoned pros to refresh your technique and ensure you are getting the best results from our HeatnBond products.