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Sheathing tape, also known as construction seam sealing tape, is a specialized adhesive tape used in the construction industry for sealing the seams and joints in various building materials, such as sheathing boards, house wraps, and insulation boards. It is designed to enhance the building envelope's performance by preventing air and moisture infiltration, which can lead to energy loss, structural damage, and mold or mildew growth.
Here are some key characteristics and uses of high-performance sheathing tape in construction:
Seam Sealing: Sheathing tape is primarily used for sealing the seams and joints between adjacent sheets or panels of building materials, such as plywood, OSB (oriented strand board), or foam insulation. This helps create an airtight and moisture-resistant barrier.
Adhesive Properties: High-performance sheathing tape typically features strong adhesive properties, ensuring a secure bond to the substrate. The adhesive should be compatible with various building materials and capable of withstanding exposure to the elements.
Weather Resistance: Sheathing tapes are designed to withstand harsh weather conditions, including rain, UV exposure, and temperature fluctuations. They should not degrade or lose their sealing properties over time.
Air and Moisture Barrier: The tape helps in creating a continuous air barrier, which prevents drafts and reduces energy consumption by improving the building's energy efficiency. It also acts as a moisture barrier, preventing water intrusion into the building envelope.
Mold and Mildew Prevention: By sealing seams and joints effectively, sheathing tape helps to prevent moisture from entering the building structure. This can reduce the risk of mold and mildew growth, which can be harmful to both the building and the occupants' health.
Ease of Application: Sheathing tape is typically designed for easy installation. It is often available in rolls or strips, making it convenient for construction workers to apply it to seams and joints during the building process.
Airtight, Vapour Barrier Protection
Aggressive Pressure Sensitive Acrylic Adhesive
Suitable for Seaming Internal & External Sheathing materials
Instant Repair to Damaged Membrane
Code Compliance: Many building codes and standards require the use of sheathing tape to ensure proper construction techniques and to meet energy efficiency and weatherproofing requirements.
Variety of Types: Sheathing tapes come in various types and sizes to suit different construction needs, such as the width and length of the tape and the specific materials it is compatible with.
Standard Sizes: 60mm x 50 Metres, 100mm x 50 Metres (other sizes made to order)
Adhesive: High Performance Solvent Cast Acrylic
Backing: 1.6 mil / 40 µ BOPP
Tensile Strength: 30 (131 N/25mm) (lbs/in of width)
Adhesion to Steel: 40 (10.9 N/25mm) (oz/in of width)
Elongation: 120 (% at break)
Total Thickness: 3.0 (0.076mm) (mils)
Application Temperature: -18º to +50ºC
Service Temperature Resistance: -40°C to +100°C