• 38" Traditional Panel
  • 38" Traditional Panel
  • 38" Traditional Panel
Hutchison HW

38" Traditional Panel

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Traditional Panel applies thicker galvanized zinc coating to the panel to help it resist rust better. Many competitive panels save costs by using less zinc. More zinc means more protection against rust. It's that simple.

Here's how it works. The steel is run through a bath of molten zinc. The zinc chemically bonds to the steel, so there's a layer of zinc between the steel and the air. Before the steel can rust, the zinc "sacrifices" itself, slowly oxidizing while protecting the steel. The result? A panel that can stand up to the elements over the long haul.

But that's only the first part of Traditional Panel's four-step protection against rust. Our zinc phosphate coating prepares the galvanized surface for adhesion of the primer and provides additional protection against rust.

Next, we apply a unique two-part coating, a primer point and then a siliconized polyester finish coating to provide a rich, durable surface color and additional protection. More than just a layer of point, this cooling is actually on oven-cured system of four separate coatings, each of which contributes to the overall strength and durability of the panel.
  • ENERGY STAR qualified roof products reflect more of the sun's rays. This can lower roof surface temperatures, decreasing the amount of heat transferred into a building.
  • ENERGY STAR qualified roof products can help reduce the amount of air conditioning needed in buildings, and can reduce peak cooling demand by 10-15 percent.

Now, warranties aren't unique. But the way we bock ours is. Every sheet of Traditional Panel is "signed" with on I.D. number on the bock visible with a block light. That's proof that we take quality seriously and intend to honor the warranty. That's confidence.

How long is a building good for? As long as it keeps standing and does the job you built it to do. So the more a building can stand up to, the better the building, and the more value you get for your money.

A Traditional Panel building is as good as it gets in steel panel buildings. It's thicker. It's stronger. It resists rust better. It comes with a 40-year warranty on the point and a 10-year warranty against acid rain. And it provides you with more value for your dollar.


38" Traditional Panel
Overall Width
38 in
Cover Width 36 in
Side Lap 2 in
Main Rib Height 11/16 in
Main Rib Spacing
9 in center to center
Thickness 29 gauge
Nominal Galvanized Steel Thickness
0.015 in
Nominal Color Coated Steel Thickness
0.0165 in
Moment of Inertia

0.00901 in. 4 ft width, negative bending 
0.01060 in. 4 ft width, positive bending

Section of Modulus
0.01680 in. 3 ft width, negative bending 
0.01762 in. 3 ft width, positive bending
Allowable Stress 48000 psi
Minimum Yield Point 90000 psi
Minimum Tensile Strength
Color Multiple options available
The colors are intended only as an approximation of the actual colors. Color chips are available upon request.
Paint Specifications


We choose Valspar Weather X siliconized polyester paint for our panels as it is recognized in the industry for its remarkable color and gloss retention as well as its superior chalk resistance. All Weather X painted HW Brand roofing and siding panels are covered by our forty-year paint warranty.

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Traditional Panel & Universal Panel

Color Sheet