Georgia Roof Guide

Does GAF Timberline NS Charcoal match HDZ Charcoal?

Short answer. Not exactly. Timberline NS and Timberline HDZ both come in a color called Charcoal, but the lines use different granule blends and shadow profiles, so NS Charcoal reads as a flatter, more even dark gray while HDZ Charcoal shows more depth. For repairs, use the same line and color as the existing roof, and expect even a correct match to look newer until it weathers.

Why the same name can look different

A color name describes a granule recipe within one product line. NS is designed for a subtle, even-toned shadow, while HDZ uses High Definition blends meant to add contrast. Put the two Charcoals side by side and the difference is usually visible up close, and sometimes from the street on a sunny day.

Repairing an NS Charcoal roof

  1. Look for leftover bundles in the garage, attic or crawl space; they are the best match.
  2. Check the original invoice or permit file for the exact product.
  3. Order Timberline NS in Charcoal, not HDZ, for patching.
  4. Place repair pieces where they are least visible when possible, such as a back slope.

When the match fails

New shingles always look darker and cleaner than ten-year-old ones. If storm damage covers part of the roof and a reasonable match is not possible, that becomes a claim question about uniform appearance. Document the product name and photograph old and new shingles side by side. See partial roof replacement and matching.

Choosing between them for a new roof

If you are buying new, compare full-size NS Charcoal and HDZ Charcoal outdoors. Many homeowners prefer the depth of HDZ; others like the quieter NS look. HDZ also brings the longer algae warranty and wind warranty eligibility. More in the best shingle colors for Georgia heat and what to expect from a roof inspection.

In depth

What are the types of roof flashing, and should old flashing be reused?Step, counter, apron, valley and kickout flashing explained for Georgia homes, what the code requires, and whyOSB or plywood roof decking: which is better, and what happens at a reroof?OSB vs plywood roof decking in Georgia: span ratings and thickness, how each fails when wet, plank decks, and Where does ice and water shield go on a Georgia roof?Where self-adhering ice and water membrane belongs on Georgia roofs, what the 2024 IRC ice barrier rule requir

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