This high tack tape is suitable for outdoor applications, can be used to repair home leaks, flat garage cracks in many roofs, such as rubber or neoprene. Leaks in window sills, water infiltration, outdoor motorhome, under the house, garden pond, water pipe. It is also a good material for RV to help you seal the cracks of RV.Durable and safe material: Butyl sealing tape is made of butyl rubber by special processing, non-toxic, non-shrink, anti-aging, safe and odorless. Works well in sealing, waterproofing, fire retardant and insulation, even covered with polycarbonate joists. Long life - butyl tape with new technology of metallic aluminum foil core, resistant to high or low temperatures, does not age not and does not break. The surface of the aluminum film adopts a new square embossing process, which is more stable and wear-resistant. High flexibility and adhesion: the colloid has strong adhesion, high ductility, ensure that it will not fall off easily. At the same time, it is safer and more hygienic when used. Special attention: please follow the steps to obtain a suitable lock. How to use: 1. Clean the surface of the target and let it dry completely. 2. Cut the sealing tape to the right size according to your needs. 3. Heat the back sticker with a hair dryer for better sealing effect. 4. Press the sealing strip several times when it is stuck. 5. Wait 24 hours for the best result and keep this sealant strip away from water during this time.