Tendances de l'industrie6 min
Système de gestion de l’humidité LP WeatherLogic® vs Enveloppe de maison et panneau de lamelles orientées de base
Lorsqu’il s’agit de la gestion de l’humidité dans la construction, de nombreux constructeurs utilisent par défaut le système traditionnel de panneaux de revêtement OSB et d’enveloppe de base. Alors que les objectifs des propriétaires évoluent vers la résilience et la durabilité, il est important d’explorer d’autres systèmes de gestion de l’humidité qui peuvent mieux lutter contre les problèmes d’humidité, non seulement pendant la construction, mais aussi des décennies après. Par exemple, les panneaux de lamelles orientées peuvent-ils être mouillés et continuer à offrir des performances à long terme similaires à celles des panneaux de lamelles orientées haut de gamme? Plongeons dans le vif du sujet et découvrons-en plus.
Why Moisture Management Matters in Building Construction
Controlling moisture helps make a home more comfortable, more energy efficient and less costly to heat and cool, while helping to prevent mold growth.
As any builder knows, it's easy for small amounts of water to enter a wall cavity during construction. When water evaporates, it becomes a gas-more commonly known as water vapor-and it needs to escape. If walls can't dry out completely, a home is likely to experience mold and rot.
While fighting moisture during construction is tough, the challenge is even bigger when a family moves in. Everyday activities like washing dishes and clothes, showering and cooking create water vapor, which collects and fights to get outside.
Typically, older homes were so leaky that water vapor could easily escape. As builders learned the benefits of water barriers, the issue of moisture management moved to the forefront. Just as water needs to be barred from entering the home, moisture vapor needs a path to escape.
What Is the Main Purpose of a Water-Resistive Barrier?
OSB can get wet during normal construction periods since it's typically made with water-resistive adhesives, but a water-resistive barrier (WRB) helps protect the sheathing from future damage in the event water gets behind the exterior cladding. One benefit of a high-quality WRB is permeability so it allows water vapor to escape, helping keep a wall dry from any moisture trapped in the wall cavity.
Building code requires a WRB to be installed. While many builders opt for commodity OSB and traditional housewrap, premium moisture management systems are available, like LP WeatherLogic® Air & Water Barrier, that provide permeability and allow moisture to dry.

Commodity OSB & Traditional Housewrap vs. an Integrated WRB With Premium OSB
If new home construction is located in an area that experiences strong storms, wind and rain, using a premium integrated air and water barrier can help safeguard the home from water intrusion.
Tests like those conducted by Construction Instruction, an independent building science group, simulated a 15-minute rainstorm with 50-mph winds. The results show the commodity housewrap leaked water through the WRB and into the wall cavity. The side with LP WeatherLogic® Air & Water Barrier showed no evidence of water intrusion.
LP WeatherLogic Air & Water Barrier helps safeguard the home from water intrusion with an integrated, water-resistive overlay when all panel joints are sealed with LP's seam and flashing tape or sealant. Not only does it install like regular OSB sheathing, there's no need to go around the house a second time to add housewrap.
LP's superior limited warranty demonstrates the confidence the company has in its products. With a 30-year limited warranty, LP WeatherLogic Air & Water Barrier is proven to seal out moisture and air for years to come.
How Premium Products Can Create a Tight Seal
The final critical step in creating a water-resistant seal is to use LP's tape and sealant. Featuring one of today's highest quality adhesives, LP WeatherLogic® Tape is certified to AAMA 711-20. Tape rolls are included with panels and come in 3-3/4-inch and 6-inch widths. The wider Seam & Flashing Tape is used for window flashing and inside and outside corners. If your trades are more comfortable with sealant, LP WeatherLogic® Sealant is a liquid-applied flashing material certified to AAMA 714-19.

Wherever you build in the U.S., moisture management is a crucial consideration for long-term comfort. While traditional commodity OSB and housewrap systems are widely used, more advanced systems like integrated LP WeatherLogic Air & Water Barrier can help offer better protection against water intrusion.
For LP WeatherLogic sheathing installation tips, visit the LP WeatherLogic Installation page.
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