Learn how to combine horizontal Gentek SteelTek Supreme siding with vertical board and batten. Explore placement, color, trim and proportion advice for balanced Quad Cities exteriors.

Gentek Steel Siding Design Guide | Article 40 of 50

Mixing Horizontal and Vertical Steel Siding Without Making the Exterior Too Busy

Combining horizontal steel siding with vertical board and batten can bring definition to gables, porches and projecting sections of a home. The change in direction should clarify the architecture, however—not serve as decoration without purpose. The best mixed-profile exteriors remain easy to understand from the street.

The Short Answer

Use one siding profile as the dominant field and reserve the second profile for a genuine architectural feature. Keep the color relationship controlled, place transitions at natural breaks and use properly sized trim to resolve every change.

If the profile change does not help someone understand the shape of the house, it may be adding visual noise rather than architectural value.

Begin With the Architecture, Not a Trend Photograph

Board and batten has become a familiar feature on farmhouse-inspired and contemporary homes. That popularity does not mean every exterior needs it—or that it belongs on every available gable.

A design copied from another house may fail when roof pitch, window placement, wall proportions and masonry differ. Before selecting profiles, identify the actual masses of the home:

The main body of the house.
Front-facing gables and dormers.
Porches and covered entries.
Projecting bays or garage sections.
Upper and lower stories.
Additions built at different times.

These architectural divisions are the logical candidates for a profile change. A flat, uninterrupted wall generally does not need to be divided merely to include another product.

Make One Profile Dominant

The safest starting point is a clear hierarchy. One profile covers most of the exterior, while the second is used to emphasize a limited feature.

Horizontal siding can serve as the primary cladding, with vertical board and batten used in a front gable, dormer or porch projection. The hierarchy can also be reversed: vertical siding may cover the main body of a modern home, while horizontal siding distinguishes a smaller attached volume.

Problems often begin when both profiles occupy nearly equal amounts of a complicated façade. The eye no longer knows which surface is primary, and every roofline or window can seem to compete for attention.

Understand the Current SteelTek Supreme Profiles

Gentek currently lists four SteelTek Supreme profiles. Each creates a different rhythm, scale and shadow pattern:

Profile	Published exposure	Design character
D4 Clapboard	Two 4-inch exposures per panel	Finer horizontal rhythm suited to detailed or traditionally scaled elevations
D5 Clapboard	Two 5-inch exposures per panel	A somewhat broader horizontal pattern
8-inch Single	8-inch exposure	Fewer horizontal lines and a broader visual scale
12-inch Board and Batten	12-inch exposure	Strong vertical rhythm with raised battens and pronounced shadow lines

Gentek identifies a roughsawn texture for its horizontal SteelTek profiles and a medium woodgrain texture for the board-and-batten profile. Verify all dimensions and current availability on the SteelTek Supreme product page before specifying materials.

Where Vertical Board and Batten Usually Works Best

Vertical siding naturally draws the eye upward. That makes it useful for features already intended to feel taller or more distinct.

Front-Facing Gables

A front-facing gable is one of the most defensible places to change profiles. The roof establishes a clear triangular boundary, and the vertical lines reinforce the gable’s upward shape.

Dormers

Board and batten can distinguish a dormer from the larger roof and wall surfaces. Small dormers require restraint, however. Wide battens, heavy trim and a strong color contrast can overwhelm a limited area.

Projecting Entries or Bays

If the front entry projects from the main wall, vertical siding can help identify it as a separate volume. This is generally more convincing than placing a narrow rectangle of board and batten around a door on an otherwise flat wall.

Upper Stories

A horizontal band between floors can support a transition from horizontal siding below to vertical siding above. This can make a tall elevation feel intentionally layered, but only when the floor line and window arrangement support the division.

Where Profile Changes Often Go Wrong

Mixed profiles can become distracting when their placement is based on empty space rather than architecture. Common warning signs include:

Board and batten placed in every gable regardless of size or visibility.
A profile change stopping midway across a continuous wall.
Several small accent areas that do not align with windows, corners or rooflines.
Different profiles assigned to neighboring walls without a clear hierarchy.
Vertical siding used to disguise awkward proportions without correcting the underlying composition.
Strong color changes added every time the siding direction changes.

A useful stress test is to view a simplified black-and-white elevation. If the pattern of material changes still looks fragmented without color, a more exciting palette will not solve the problem.

Same Color or Contrasting Colors?

Changing both profile and color creates two visual signals at once. That can be effective on a simple home, but it may overload an elevation that already contains brick, stone, shutters or complicated roofing.

One Color, Two Profiles

Using the same named color allows texture and shadow to provide the distinction. This is often the quieter and more durable design choice.

Gentek notes that the same color may appear slightly different across profiles because lighting, texture, orientation and exposure affect its appearance. Physical samples are therefore still necessary.

Two Profiles, Two Colors

A second color increases emphasis. It works best when the accented section is architecturally important and the two colors already relate to the roof, masonry or trim.

Avoid adding an unrelated accent color solely because the profile changed. Every additional color should have a role elsewhere in the composition.

Avoid the “Every Gable Gets an Accent” Formula

Repetition can unify an exterior, but identical treatment is not always the same as good hierarchy. A major front gable and a small secondary garage gable do not necessarily deserve equal emphasis.

Accent the architectural feature that should lead the composition. Secondary gables can remain in the primary siding or use the alternate profile in the same color.

When every gable receives a contrasting color, the eye may jump around the façade rather than settle on the entrance or main roof form.

Use Trim to Explain the Transition

Horizontal and vertical siding should not appear to run into one another without a planned boundary. A band board, corner condition or other appropriate trim assembly can establish a clean stopping and starting point.

From an aesthetic standpoint, the trim should be substantial enough to look deliberate but restrained enough that it does not become a competing stripe. Its depth must also accommodate the actual panel profiles and adjoining wall materials.

Transition planning should answer several questions before installation:

Where does each siding profile terminate?
What trim component separates the profiles?
How will water be directed at the horizontal transition?
How will the transition meet corners and window trim?
Will the trim match the siding, window surrounds or roofline?
Are the flashing and drainage details shown before work begins?

The visual concept must remain subordinate to the current manufacturer instructions and the project’s water-management requirements.

Consider Windows Before Dividing the Wall

Windows create a strong rhythm of their own. A profile transition that runs just above or below a window without aligning to a sill, head or floor line can look accidental.

In gables, check how vertical battens relate to centered windows, vents and trim. The field should appear balanced around the opening, even though exact symmetry may not always be possible.

On two-story homes, a transition band may align with the top of first-floor windows, the second-floor structure or another established architectural line. The correct location depends on the elevation—not a universal measurement.

Coordinate Brick, Stone and Roofing at the Same Time

Two steel siding profiles may already provide enough visual variety. Adding brick, stone and a highly blended roof can push the exterior past the point of cohesion.

When masonry is prominent, consider keeping both siding profiles in one color. If the masonry is quiet and limited, a second siding color may be appropriate.

Count visual changes, not merely materials. Horizontal lines, vertical battens, stone texture, brick coursing, roof patterns and contrasting trim all contribute to the amount of information the eye must process.

How the Approach Changes by Home Style

Ranch Homes

Ranch homes are naturally horizontal. Using horizontal siding across the main walls respects that character. A limited vertical treatment at the entry or one projecting gable can create emphasis, but covering multiple small sections may fragment the long, low form.

Two-Story Traditional Homes

Horizontal siding can provide continuity across both levels. Vertical siding may be reserved for a front gable or a defined upper-story section when the architecture already supports that division.

Farmhouse-Inspired Homes

Board and batten can be the dominant profile, but the design should not rely on vertical siding alone to create farmhouse character. Roof form, porch proportions, window patterns and trim details carry equal or greater influence.

Contemporary Homes

Contemporary elevations can support bold profile changes when they correspond to clearly defined geometric volumes. Restrained trim and a limited palette usually allow the massing to remain the primary design feature.

Use Full Elevations, Not Isolated Product Images

A close-up photograph can show texture, but it cannot reveal whether the profile is correctly proportioned for an entire façade. Evaluate complete front, rear and side elevations.

Gentek’s web-based Visualizer allows users to apply siding profiles and colors to a home photograph and compare exterior combinations. It can help answer questions such as:

Is the vertical accent too large?
Should one gable or several gables change profile?
Does a second color improve the composition?
Does the profile transition align with the windows?
Is masonry still the dominant accent?

Explore Gentek’s visualization and measurement tools , but treat the rendering as a comparison aid rather than final color approval.

Test Actual Samples Together

Gentek recommends evaluating actual product samples outdoors in their planned orientation. This instruction is especially relevant when combining horizontal and vertical profiles.

Position the horizontal sample horizontally and the board-and-batten sample vertically.
Place them beside the proposed transition trim.
Include roof, masonry, window and garage-door colors.
Review the combination in morning, midday and late-afternoon light.
Step back and compare the shadow patterns from normal viewing distance.
Confirm product, profile, color and accessory availability before approving the design.

The same named color can appear different on separate profiles because their orientation, texture and shadows are different. That visual variation is not necessarily a product defect.

What PEPA and Vinyl Siding Institute Resources Add

The Polymeric Exterior Products Association, formerly the Vinyl Siding Institute, publishes design resources covering architectural styles, profile selection and trim. Its material shows vertical siding used on dormers, upper floors, bump-outs and other architectural callouts.

PEPA also describes band boards as transition pieces where siding alternates between horizontal, vertical or specialty profiles. This supports the broader design principle that a profile change should have a deliberate boundary.

These resources concern vinyl and other polymeric siding. They can inform architectural composition, but their installation instructions must not be applied automatically to SteelTek Supreme steel siding.

For relevant design context, review PEPA’s Board & Batten and Other Vertical Siding Treatments and Designing Style guide .

Installation Questions That Must Be Resolved

A visually convincing rendering does not prove that the proposed assembly is ready to build. Before ordering, the contractor should verify:

The substrate and wall preparation requirements.
Fastener type, placement and spacing for each profile.
Panel layout around windows, doors and penetrations.
The flashing sequence at horizontal profile transitions.
Clearances from roofing, masonry, decks and grade.
Accessory compatibility and corrosion considerations.
Manufacturer requirements for cutting and handling panels.
Applicable local code and inspection requirements.

PEPA’s vinyl installation manual is not a substitute for steel-specific instructions. Use the current Gentek documentation supplied for the selected SteelTek products and accessories.

A Realistic Resale Perspective

A well-composed mixed-profile exterior may improve first impressions, but using board and batten does not guarantee a higher sale price. A popular style can still look dated or poorly executed when applied without regard to the home’s architecture.

Restraint generally carries less design risk than excessive variation. Clear hierarchy, coordinated colors and well-resolved transitions are more defensible long-term choices than adding an accent to every available surface.

For homeowners expecting to sell soon, consider whether the alternate profile strengthens the house itself or merely advertises the moment in which it was remodeled.

Mixed Steel Siding Design Checklist

Which siding profile is dominant?
What architectural feature earns the second profile?
Does every transition align with a real change in the building?
Would one color be stronger than two?
Are brick, stone and roofing already providing enough variation?
Does the transition align cleanly with windows and corners?
Is the trim sized for both profiles?
Has water management been detailed at every transition?
Have actual samples been viewed in the planned orientation?
Have current Gentek specifications and availability been verified?

Compare SteelTek Supreme Profiles in the Quad Cities

Bring photographs of every elevation—not only the front—when discussing a mixed-profile steel siding project. Include close-ups of brick, stone, roofing, windows and trim, along with any architectural drawings available.

Suburban Wholesale & Supply serves contractors and homeowners throughout Davenport, Bettendorf, Moline, Rock Island and surrounding Quad Cities communities from 3602 North Harrison Street in Davenport, Iowa. The team can help you compare current Gentek SteelTek Supreme profiles, colors and coordinating exterior components before materials are ordered.

Mixing Horizontal and Vertical Steel Siding