#45505A · blue · cool undertone GAF Timberline HDZ Biscayne Blue Shingles
A confident cool roof color that pulls the elevation toward coastal modern.
Independent product summary. Warranty terms and installed price vary by contractor and region.
The numbers, plainly.
Every figure a contractor or an insurer will ask about, with the standard it is measured against.
What you're looking at.
The granule tones the blend is built from, how the colour is classified, and how it behaves on a roof.
Biscayne Blue is the rare asphalt shingle that genuinely reads blue rather than gray-with-a-hint. The granule blend leans cool, with slate and storm-gray accents that keep the surface from looking artificial. On a south-facing Florida elevation in midday sun, the blue tone is unmistakable.
The granule blend uses a base of slate-blue with smaller portions of charcoal and storm-gray to keep the cool tone honest. Up close you can see the layering; from the street it collapses into one quiet blue plane.
Pairs naturally with cool whites, light sage, soft natural wood, and crisp navy accents. Pairs poorly with warm yellows, terracotta, or red brick where the cool undertone fights.
See it on a house.
Timberline HDZ Biscayne Blue, shown two ways: photographs from manufacturers and Florida roofers, and renders that keep the roof color from an install photo and restyle the facade around it. Every image below says which it is.
Biscayne Blue pairs well with.
We do not yet have full-render combination pages for this color family.
Other blue / coastal shingles, side by side.
Cross-brand similarity computed by redmean RGB distance. Lower distance equals closer perceived match.
What it actually costs.
Materials-per-square pulled from retailer scrape (Lowe's/Home Depot Florida zips).
Home Depot / Lowe's retail snapshot, three bundles per square.
Materials only. Underlayment, starter strip, and ridge cap not included.
Full re-roof including tear-off, decking inspection, install, and disposal. Range varies by pitch, square count, and accessibility.
What this shingle costs installed in Florida: Asphalt shingle roof cost Florida
Price this roof for your addressStop guessing. See Biscayne Blue on your roof.
Upload a phone photo of your house and watch our AI swap your existing roof for GAF Timberline HDZ Biscayne Blue in about four seconds. Save the render, share with your contractor, change your mind ten times. Free.
About Biscayne Blue.
Questions homeowners ask before they commit. Answered without sales spin.
A confident cool blue with slate and storm-gray granule accents. In direct Florida sun it reads as a clean blue; in shade it pulls toward cool gray. Far less common than gray or brown in the asphalt category, which is part of the appeal.
See Biscayne Blue on your house before you commit to it.
Before you pick a color, check the roof you have.
For example: 24500 SW Kanner Hwy, Stuart FL