Self-adhesive seam tape (also known as road crack tape, seam strip, road seam tape, road patch, sealant tape, crack tape, road bandage, surface tape) is a composite geosynthetic material used for road crack treatment. It boasts numerous advantages such as excellent wear resistance, strong tensile strength, excellent water-sealing properties, low cost, aesthetic durability, and simple installation.
Due to the complexity of the causes, shapes, and extents of cracks on road surfaces, various specifications of surface crack sealing strips are available for on-site use, broadly categorized into wide cracks (mainly transverse), narrow cracks (mainly longitudinal), and network cracks. Wide cracks are primarily reflective cracks, generally requiring a 15 cm wide surface crack sealing strip. Since the cracks are wide, sealing should be done first before laying. Narrow cracks are mostly construction joints of asphalt mixtures, narrower in width, and typically can be directly laid with an 8 cm wide surface crack sealing strip. For network cracks (including alligator cracks and other irregular cracks), a cause analysis is necessary.
Laying self-adhesive crack sealing tape without any equipment for widening cracks is a non-destructive crack treatment technique; it's simple and quick, allowing traffic to resume immediately after application, preventing immediate damage caused by cracks. The tape can bend around cracks in any direction, ensuring high-quality sealing. It's suitable for areas with large temperature variations, as it won't be extruded or碾走by vehicle wheels on hot surfaces. Standard widths of the tape are 15 cm, 8 cm, 5 cm, and 3 cm, and it can be cut or spliced on-site according to crack width and crack resistance requirements, or customized as requested.
Advantages of Non-adhesive Self-adhesive Seam Tape
1. Tech products, quality assured. As the self-adhesive crack sealing tape is a specialized product for road cracks, it eliminates the drawbacks and shortcomings of traditional crack filling from the very beginning of its development. Guided by highway research departments and international experts during the development process, it has gained widespread recognition after years of market testing.
2. Strong bonding, not easily peeled off. The layer of the adhesive strip that contacts the road surface is a high-adhesive material layer, which not only resists peeling off after bonding with the road surface, but also is difficult to remove manually, effectively ensuring the effect.
3. Excellent high and low temperature performance. The main functional layer of the seam tape is a high polymer material, supplemented by a mesh-like high-strength and high-elastic polyester layer that absorbs some of the material, ensuring the overall material does not flow at high temperatures or crack at low temperatures.
4. Unique "self-healing" feature. Capable of healing minor puncture wounds and automatically filling and healing minor cracks.
5. Excellent durability. After years of market research, it can maintain no cracks, no displacement, and no damage for over 1 year. Only a few cases have cracks due to sub-layer functional damage, but they still adhere well.
6. Effectively treats radioactive cracks and fissured cracks. Since the surface joint tape can be custom-made according to the overall width of the crack, it can completely cover the crack area without any gaps that could lead to leakage.
7. Easy to install. No equipment required; just a small vehicle and two people can handle the installation. No pre-job training for installers needed.
8. No material waste. As materials do not require heating and are applied as needed, only the length that is stitched will be applied, resulting in no material loss.
9. No equipment investment required. No equipment is needed during the construction process.
10. Fast construction speed. Can seize favorable construction opportunities. As it can organize a large workforce in a short time without any equipment during the favorable construction season, it can seize the advantageous opportunities.
11. Construction process is simple. It does not pollute the environment or harm workers during the construction.
