BLOCK-IT
Weatherization & Flashing
House Wrap
BLOCK-IT House Wrap features a patented water channel technology that channels over 98% of water away from the wall assembly and onto the ground.
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Product Summary
Construction and Materials
BLOCK-IT's weatherization and flashing products are designed to provide superior protection against air and water intrusion, enhancing the durability and energy efficiency of building envelopes. The core of these systems often relies on advanced material science to create robust barriers that perform under challenging environmental conditions.
Construction and Materials:
- Primary Barrier Material: The foundation of BLOCK-IT's products is typically a high-performance polymer membrane. This material is engineered for strength, flexibility, and resilience. It is designed to be vapor-permeable, allowing moisture trapped within the wall cavity to escape while preventing liquid water from entering. This breathability is crucial for preventing mold and rot.
- Reinforcement and Stability: In some applications, especially for larger air and water barrier systems, the membrane may be reinforced with a non-woven fabric scrim. This reinforcement adds dimensional stability, preventing stretching and tearing during installation and throughout the building's lifespan. The scrim also provides a textured surface that can improve adhesion with compatible building materials and adhesives.
- Adhesive Technologies: A critical component of BLOCK-IT's systems is their advanced adhesive technology. This often includes proprietary adhesive formulations that offer excellent tack and long-term bond strength. These adhesives are designed to create a continuous seal when pieces of the barrier material are overlapped or when the barrier is applied to substrates like sheathing, window frames, and masonry. The adhesives are formulated to withstand a range of temperatures and humidity levels without delaminating or losing their sealing capabilities.
- Durability and Resistance: The materials used are selected for their inherent resistance to UV radiation, ozone, and a wide spectrum of common construction chemicals. This ensures that the weatherization system maintains its protective integrity over many years, even when exposed to direct sunlight during installation or to substances encountered in the building process.
- Product Forms: BLOCK-IT offers its weatherization and flashing solutions in various forms to suit different construction needs. These can include:
- Large rolls of air and water barrier membrane for sheathing applications.
- Tapes and sealants for sealing joints, seams, and penetrations.
- Self-adhered membranes for window and door flashing.
Features and Benefits
BLOCK-IT offers a comprehensive range of weatherization and flashing solutions designed to protect your building envelope from the elements while ensuring optimal air and water resistance. Our products are engineered for performance, durability, and ease of installation, providing a superior barrier against moisture intrusion, air leakage, and extreme weather conditions.
Core Advantages:
- Superior Weather Protection: BLOCK-IT products create an effective shield against rain, wind, and other environmental factors, safeguarding the structural integrity of your building.
- Enhanced Energy Efficiency: By minimizing air infiltration and exfiltration, BLOCK-IT solutions contribute significantly to reducing energy costs through improved insulation performance.
- Long-Term Durability: Constructed with high-quality materials, BLOCK-IT weatherization and flashing products are built to withstand the test of time, offering lasting protection for your investment.
- Ease of Installation: Designed with the professional builder and installer in mind, our products facilitate a straightforward and efficient application process, saving time and labor.
- Comprehensive System: BLOCK-IT provides a complete system of complementary products, ensuring seamless integration and optimal performance for a fully protected building envelope.
Features and Benefits:
Air & Water Barrier Systems
BLOCK-IT Air & Water Barrier systems are engineered to be the first line of defense for your building envelope. These advanced membranes are designed to prevent bulk water penetration while allowing water vapor to escape, promoting a healthy and durable structure.
- Feature: High-performance monolithic membrane.
- Benefit: Provides an exceptional barrier against wind-driven rain and air infiltration, drastically reducing energy loss and preventing moisture damage.
- Feature: Vapor permeable.
- Benefit: Allows moisture vapor to escape from within the wall assembly, preventing condensation buildup and the potential for mold and rot.
- Feature: UV resistant.
- Benefit: Withstands prolonged exposure to sunlight during the construction phase, maintaining its integrity before final cladding is installed.
- Feature: Durable and tear-resistant.
- Benefit: Stands up to the rigors of construction and handling, ensuring a reliable barrier throughout the building's lifespan.
- Feature: Available in various formats for different applications.
- Benefit: Offers versatile solutions for a wide range of building designs and construction methods, ensuring optimal protection for every project.
Tapes and Sealants
BLOCK-IT tapes and sealants are crucial components of a complete weatherization system, ensuring that all seams, penetrations, and transitions are securely sealed against air and water intrusion.
- Feature: High-tack, aggressive adhesive.
- Benefit: Provides a strong and immediate bond to various building substrates, creating an airtight and watertight seal that lasts.
- Feature: Durable backing material.
- Benefit: Resists punctures and tears, maintaining the integrity of the seal even under challenging environmental conditions.
- Feature: Designed for compatibility with BLOCK-IT Air & Water Barrier systems.
- Benefit: Ensures a cohesive and high-performing weatherization system when used together, maximizing protection and longevity.
- Feature: Easy to apply.
- Benefit: Simplifies the sealing process, allowing for efficient and effective installation on-site, saving time and labor.
- Feature: Weather-resistant.
- Benefit: Withstands a range of temperatures and moisture levels, ensuring a consistent and reliable seal throughout the year.
Options-Styles
BLOCK-IT offers a comprehensive range of air and water barrier solutions designed for superior weatherization. Their product line focuses on providing reliable protection against moisture and air infiltration, contributing to building envelope integrity and energy efficiency.
Product Options and Styles
BLOCK-IT's weatherization products are categorized primarily by their function and application within the building envelope. These include air and water barrier membranes, as well as specialized tapes for sealing and detailing.
Air & Water Barrier Membranes
- High-Performance Membranes: Designed to act as a primary defense against bulk water intrusion and uncontrolled air leakage. These membranes are engineered for durability and long-term performance, ensuring the building remains protected from the elements.
- Vapor Permeable Options: Some BLOCK-IT membranes are vapor permeable, allowing water vapor to escape from the wall assembly while preventing liquid water from entering. This feature is crucial for managing moisture within the building structure and preventing condensation issues.
- Self-Adhered Membranes: Available in self-adhered formats for straightforward installation. These membranes bond directly to the substrate, creating a continuous air and water barrier without the need for mechanical fasteners in certain applications, enhancing the sealing performance.
- Treated Fabrics: BLOCK-IT also provides specially treated fabrics that serve as air and water barriers. These materials offer a balance of protection and breathability, suitable for various construction types.
Tapes and Accessories
- Seam Tapes: A critical component for achieving a complete air and water barrier system. BLOCK-IT offers a variety of tapes designed to effectively seal the seams and penetrations of their barrier membranes, ensuring continuity and preventing leaks. These tapes are formulated for adhesion to their specific membrane products and various building substrates.
- Flashing Tapes: Specialized tapes used for detailing around windows, doors, and other openings. These tapes provide an extra layer of protection against water ingress at these vulnerable transition points.
- Lap Sealants: Products designed to seal laps in sheathing and membranes, providing an additional barrier against air and water infiltration.
Styles and Applications
The styles of BLOCK-IT's weatherization products are geared towards meeting the diverse demands of modern construction, from residential to commercial projects. Their focus is on providing versatile solutions that integrate seamlessly into various building assemblies.
- Sheathing Underlayments: Many BLOCK-IT membranes and treated fabrics are designed to be applied directly over exterior sheathing as a primary air and water barrier.
- Wall Systems: The products are integral to creating high-performance wall systems, contributing to the overall thermal envelope and reducing energy consumption.
- Detailing Applications: The range of tapes and sealants specifically addresses the critical detailing areas of a building, ensuring that even complex junctions are adequately protected.
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