Asphalt Shingle Roofing for Central Florida Homes

Residential Roofing

Shingle gets a reputation for being the short-lived option in Florida, and some of that is deserved: the same bundle that lasts a long time in Ohio wears out sooner under Orlando sun. But most of the shingle roofs we replace early did not fail because of the product. They failed because of a hot, unvented attic, a nailing pattern that missed the line, or a north slope left to grow algae for a decade. Those are installation and maintenance problems, and they are avoidable.

This page covers what we install, why architectural shingle has replaced 3-tab on almost every job, what Central Florida heat and UV do to the mat, and the details on install day that separate a roof that reaches its expected life from one that does not. If you are still weighing shingle against other coverings, the roof replacement page walks through that decision; here we assume you have landed on shingle and want it done right.

Architectural versus 3-tab

Three-tab shingles are the flat, single-layer product with the uniform cutouts that most houses in Orlando wore through the 1990s. Architectural shingles, sometimes called dimensional or laminated, are two layers bonded together, which makes them thicker, heavier and less inclined to lift in wind. That thickness is what buys them their higher wind rating and a look with more shadow and texture on the roof.

We install architectural shingle by default. The 3-tab still shows up on repairs where the goal is to match an existing roof, and occasionally on a rental where the owner asks for the lowest material line, but on a full replacement the difference in wind performance and expected life under Florida sun is large enough that we do not recommend 3-tab for an owner-occupied home. The scope will say which product and which wind rating, by name, so it can be checked against the bundle wrapper on the day.

What Orlando heat and UV do to a shingle

An asphalt shingle is a fiberglass mat saturated with asphalt and topped with ceramic granules. The granules are the UV shield; once they wear off, sunlight goes to work on the asphalt directly and it dries, cracks and curls. Central Florida delivers more UV, more heat and more daily wet-dry cycling than the climate the product was rated in, so granules shed sooner, the sealant strips soften and re-set repeatedly, and the mat loses flexibility years ahead of schedule.

Attic temperature makes it worse. A poorly vented attic in August can run far hotter than the outside air, and that heat cooks the shingle from underneath at the same time the sun works on it from above. Algae is the other Florida signature: the dark streaking on north-facing slopes is a living growth feeding on the limestone filler in the shingle. It is cosmetic at first and a moisture trap later.

Wind rating, nailing pattern and Florida code

Whether a shingle roof survives a storm is decided on install day and never seen again. Florida code specifies how many nails per shingle, where on the shingle they land, and how the starter course, rakes and eaves are sealed against uplift. A shingle nailed above the line has nothing holding its lower edge but the sealant strip; a nail driven at an angle or punched through the mat holds nothing at all. Under a summer gust that shingle lifts, the bond breaks, and the next storm takes it.

Our crews nail to the pattern the manufacturer specifies for the wind rating in the scope, use the manufacturer’s starter and hip-and-ridge products rather than cut field shingles, and hand-seal rakes and eaves where the code or the exposure calls for it. The dry-in inspection that happens before the shingle goes on is where the county checks the deck nailing; the shingle nailing is on us, and we photograph it.

Ventilation, color and the life of the roof

Ridge vents, soffit intake and the balance between them do more for shingle life in Orlando than the brand on the bundle. Hot air has to leave the attic, and it can only leave if cooler air can get in at the soffit to replace it. Blocked soffits are common on older houses where insulation was blown in over them, and the result is a stagnant, superheated attic that shortens the roof and raises cooling bills. A replacement is the natural moment to correct it: cut in a continuous ridge vent, clear or add soffit intake, and remove the mismatched turbines and box vents that short-circuit the flow.

Color is not only taste. Darker shingle runs hotter, lighter shingle reflects more, and several manufacturers sell reflective granule lines rated for cooler roofs. On a house with a large west-facing slope in Kissimmee or anywhere else around here, that difference shows up on the power bill.

What a shingle installation includes

• Tear-off to bare deck, deck inspection, and replacement of any soft or delaminated sheets
• Deck re-nailed to current code and a self-adhered secondary water barrier over the whole roof, valleys included
• New drip edge at every eave and rake, new pipe boots and new flashing at walls, chimney and skylights
• Starter course, field shingle nailed to the rated pattern, and matching hip-and-ridge cap
• Ridge vent and soffit intake balanced for the attic volume
• Nail-magnet sweep of the yard and driveway every day, and a final walk with you

Where the roof meets a wall, we step-flash every course and counter-flash over it instead of relying on a bead of sealant, because sealant in Florida sun lasts a couple of summers and step flashing lasts as long as the roof does. You get a photo record of the deck before it was covered and the closed-out permit when the final passes.

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