Roofing Evaluation

in Construction Review 

Overview: 

This SOP overviews how to evaluate roofs during Construction Review and is meant to help Construction Specialists decide which category any given roof falls into. For more information on the full roofing process from Construction Review’s perspective, please refer to the Roof Work in Construction Review SOP.

Roof Categories:

There are 3 potential categories a roof may fall into once evaluated:

Estimated occurrence: 75% of all projects

Estimated occurrence: 20% of all projects

Estimated occurrence: 5% of all projects

Evaluation Steps:

Roof Work Decision Tree:

Examples and Explanations:

#1: No work needed - “A” Roofs

Concrete W-Tile

Concrete S-Tile

Concrete Flat Tile

Paper underneath Concrete W-Tile

Paper underneath Concrete W-Tile

TPO

Rolled composition (Good Condition)

Rolled composition (Moderate Condition)

Composition Shingle (Good Condition)

Composition Shingle (Moderate Condition)

Standing Seam Metal

Concrete W-Tile (Cracked Tile(s))

Foam

Corrugated/Trapezoidal Metal

#2: Roof waiver needed - “B” Roofs

Composition shingle (Poor Condition)

Composition shingle (Poor Condition)

Composition shingle (New, good material over old, poor)

Concrete Flat Tile (Bad Paper)

Composition Shingle (Existing Open Penetration(s) or Leak(s))

Composition Shingle (Hail Damage)

Paper underneath tile (Bad paper)

#3: Roof work needed - “C” Roofs

Calpac/Deco Tile/Metal Shingle

Composition Shingle (End of Life)


Wood shake


Clay Tile and Lightweight Tile under 9 pounds


Tar And Gravel

Any roof with no decking

(bottom photo)

Roof Damage Examples

Hail

Hail: hits are black in color. look for loss of granules, which may expose the roof felt. asphalt and/or mat that appears shiny. hail hits are soft to the touch, like the bruise on an apple. you will need supporting metal. 

Wind: Creased Shingles

Wind - signs of wind damage on a roof include loose or missing shingles, chimney issues, curling or peeling shingles, granule loss, damaged soffit or fascia and indoor leaks.

Wind: Missing / Loose Shingles

Wind-signs of wind damage on a roof include loose or missing shingles, chimney issues, curling or peeling shingles, granule loss, damaged soffit or fascia and indoor leaks.