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Parts of a roof and its functions

Your roof is the guardian angel of your home, shielding you from the elements. But have you ever stopped to wonder about the different parts that work together to keep you dry and comfortable? Let’s embark on a journey to understand the key components of your roof:The Structural Backbone:
  • Truss System: This network of timbers acts as the skeleton of your roof, providing support for the entire roofing assembly. Think of it as the underlying framework that carries the weight of the roofing materials.
  • Rafters: These angled timbers run from the ridge (the peak of the roof) down to the eaves (the horizontal overhang). They provide the primary support for the roof sheathing and other roofing components.
  • Ridge Beam: This is the horizontal timber located at the highest point of the roof, where the opposing rafters meet and connect. It acts like the spine of the truss system, distributing weight evenly.
The Protective Layers:
  • Roof Sheathing: This layer, typically made of plywood or oriented strand board (OSB), sits directly on top of the rafters. It provides a smooth, stable surface for the underlayment and shingles.
  • Underlayment: This waterproof membrane acts as a secondary barrier against water infiltration. It’s installed directly on top of the roof sheathing and helps prevent leaks caused by wind-driven rain or ice dams.
  • Shingles or Tiles: These are the visible outer layer of your roof, offering the final line of defense against the elements. They come in various materials like asphalt, slate, metal, or concrete, each with its own advantages and lifespan.
Ensuring Smooth Drainage:
  • Flashing: These thin sheets of metal are installed around roof penetrations like chimneys, vent pipes, and valleys. Flashing creates a watertight seal and prevents leaks at these vulnerable points.
  • Fascia Board: This board covers the exposed ends of the rafters at the eaves. It provides a finished look to the roofline and also helps support the gutter system.
  • Gutter System: Gutters are channels along the eaves that collect rainwater and direct it away from the house through downspouts. A properly functioning gutter system is crucial to prevent water damage to your foundation and siding.
Understanding these key components will not only empower you to appreciate the intricate workings of your roof but also help you identify potential problems and make informed decisions regarding roof maintenance and repair.

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Severnside Roofing Specialists Ltd are a local family run business based in Shrewsbury and Telford, we provide roofing services in Shrewsbury and surrounding areas.

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Severnside Roofing Specialists Ltd are a local family run business based in Shrewsbury and Telford, we provide roofing services in Shrewsbury and surrounding areas.

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  • Severnside Roofing Specialists Ltd
  • Unit 57 Business Development Centre
  • Stafford Park 4
  • Telford
  • TF3 3BA
  • 01952 279 451
  • 07771 195 370

  • Shrewsbury Address:
  • 8 Coracle Close
  • Shrewsbury
  • SY1 4SQ

  • Email:
  • info@severnsideroofing.co.uk
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