What Does Metal-Roof Gauge Mean? Gauge describes metal thickness. The confusing part: Lower gauge number = thicker metal. Metal Construction Association guidance lists representative minimum steel thicknesses of approximately: 24 gauge: 0.024 inches 26 gauge: 0.018 inches Does 24 Gauge Automatically Mean a Better Roof? Not automatically. Panel performance also depends on: Profile Width Seam
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Galvalume vs. Galvanized Both begin with: steel. The difference is the metallic coating protecting that steel. What Is Galvanized Steel? Galvanized sheet uses a zinc coating applied to carbon steel. The zinc helps protect the steel underneath. What Is Galvalume? Galvalume uses an aluminum-zinc alloy coating. ABC describes the coating as roughly 55% aluminum and
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Steel Is Strong—but Its Finish Matters Modern steel siding begins with a steel substrate protected by: Metallic coatings Paint systems Those layers help manage corrosion. But installation requires cutting panels around: Windows Doors Corners Rooflines Why Pay Attention to Cut Edges? A field cut exposes the cross-section of the metal. The protective coating system and
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Why Is One Small Area of Siding Melting? The siding is not near: A barbecue A fire An exhaust vent Yet one area looks: Wavy Shiny Distorted Partially melted Look across the property. A neighbouring or nearby window may be reflecting concentrated sunlight onto that wall. Can Window Reflection Really Get That Hot? Yes, under
CAN REFLECTED SUNLIGHT MELT OR WARP VINYL SIDING? Read More »
Dutch Lap vs. Clapboard You decide on vinyl siding. Then the contractor asks: Clapboard or Dutch lap? Both run horizontally. But the profile creates a different shadow and architectural effect. What Is Clapboard? Clapboard creates the appearance of traditional overlapping horizontal boards. It has a relatively straightforward face profile. What Is Dutch Lap? Dutch lap
DUTCH LAP VS. CLAPBOARD SIDING: WHAT’S THE DIFFERENCE? Read More »