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Glossary

Roof sheathing or sheeting

In construction, “roof sheathing” or “roof sheeting” refers to the material that is attached to the roof rafters or trusses to cover the building. Roof sheathing provides a base for the roofing materials and serves as a structural diaphragm, transferring loads to the lateral bracing and contributing to the overall stability of the building. Proper installation of the roof sheathing is essential for ensuring the integrity and longevity of the roofing system.

Function

The primary function of roof sheathing or sheeting in construction is to provide a base for the roofing materials. Key aspects of the function of roof sheathing include:

  • Support: Roof sheathing provides a base for the roofing materials, supporting their weight and distributing loads to the lateral bracing and supporting structure.
  • Structural Diaphragm: Roof sheathing serves as a structural diaphragm, transferring loads to the lateral bracing and contributing to the overall stability of the building.
  • Weather Protection: Roof sheathing protects the building from weather-related hazards, such as wind, rain, snow, and UV exposure, providing a barrier against water infiltration and damage to the underlying structure.

Types of Roof Sheathing

There are several types of roof sheathing commonly used in construction:

  • Plywood Sheathing: Plywood sheathing is made of thin sheets of wood veneer glued together, providing strength, durability, and resistance to moisture and weather.
  • Oriented Strand Board (OSB): Oriented Strand Board (OSB) is made of wood strands bonded together with resin, providing strength, durability, and resistance to moisture and weather.
  • Metal Roof Sheathing: Metal roof sheathing is made of metal and is used in applications where strength, durability, and resistance to weather are required.

Applications

Roof sheathing or sheeting is used in a wide range of construction applications, including:

  • Residential Buildings: Roof sheathing is used in residential buildings to provide a base for the roofing materials, supporting their weight and distributing loads to the lateral bracing and supporting structure.
  • Commercial Buildings: Roof sheathing is used in commercial buildings to provide a base for the roofing materials, supporting their weight and distributing loads to the lateral bracing and supporting structure.
  • Industrial Buildings: Roof sheathing is used in industrial buildings to provide a base for the roofing materials, supporting their weight and distributing loads to the lateral bracing and supporting structure.

Installation

Proper installation of the roof sheathing is essential for ensuring the integrity and longevity of the roofing system. Key aspects of the installation process include:

  1. Prepare the Roof: Prepare the roof by cleaning, sealing, and securing it to ensure a smooth and secure fit for the roof sheathing.
  2. Install the Roof Sheathing: Install the roof sheathing by attaching it to the roof rafters or trusses, ensuring proper alignment, spacing, and attachment.
  3. Secure the Roof Sheathing: Secure the roof sheathing using appropriate fasteners and techniques, ensuring it provides a stable base for the roofing materials and contributes to the overall stability of the building.

Conclusion

Roof sheathing or sheeting is the material that is attached to the roof rafters or trusses to cover the building. By providing a base for the roofing materials and serving as a structural diaphragm, proper installation of the roof sheathing ensures the integrity and longevity of the roofing system in residential, commercial, and industrial buildings.

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