Identifying the 5 Key Components of a Roof

Sep 13

2 min read

A well-constructed roof is crucial for protecting your home. At Fasto Roofing, we ensure your roof is built with the highest quality materials and expertise. Here are the five key components of a roof that work together to keep your home safe from the elements.

1. Plywood Roof Deck

Description

Function: The foundation of your roof that provides support and serves as a nail bed for roofing materials.
Materials: Typically a half-inch of plywood, installed with waterproofing material to ensure proper ventilation.

Types

Plank Decking: Long, rectangular wooden boards.
Sheet Decking: Flat sheets of wood, mainly plywood or oriented strand board (OSB).

2. Felt or Synthetic Underlayment

Description

Function: Acts as a moisture barrier, providing additional protection between the roof deck and shingles.

Types

Felt: Traditional type applied directly to the deck.
Synthetic: High-tech alternative made from synthetic materials, offering enhanced waterproofing.
Rafter Underlayment: Provides waterproofing for rafters.
Valley Underlayment: Protects against leaks from water pooling.
Eaves Membrane: Prevents ice dam formation.

3. Flashing

Description

Function: Thin strips of waterproof material installed around roof features to prevent water infiltration.

Types

Valley Flashing: Installed in the valley line of the roof.
Vent Pipe Flashing: Seals around vent openings.
Chimney Flashing: Prevents moisture at the chimney-roof junction.
Skylight Flashing: Installed between skylight glass and frame.

4. Shingles

Description

Function: The outermost layer that provides protection and enhances curb appeal.

Types

Shingles: Various materials like asphalt, wood, and composite.
Metal Roofing: Durable and long-lasting.
Tiles: Often made of clay or concrete.
Wooden or Metal Strips: Alternative roofing materials.

5. Vents

Description

Function: Allow airflow, preventing overheating and moisture buildup.

Types

Ridge Vents: Installed at the roof peak to release humid air.
Gable Vents: Located at the roof's gable ends for passive ventilation.
Soffit Vents: Installed under the eaves to bring in fresh air.
Plumbing Vents: Ventilation for the home’s plumbing system, requiring specific flashing.

Conclusion

Understanding the key components of your roof helps in identifying potential issues and ensuring its longevity. Regular inspections and maintenance by professionals like Fasto Roofing are essential to keep your roof in optimal condition.