On any project specifying premium roofing material, a physical mockup on the actual house — in the actual light, at the actual scale, against the actual surrounding materials — is the single most useful pre-installation discipline. The mockup costs a few hundred dollars and saves projects from regrets that cost orders of magnitude more.
What a mockup is
A 4-by-4-foot installed section of the proposed roof material, mounted temporarily on the actual house (typically on a south-facing slope where light is most variable). The mockup includes:
- The field material (tile, slate, metal, shingle)
- The proposed underlayment, visible only in cross-section if relevant
- The hip or ridge cap (if relevant to the architecture)
- A flashing sample at one edge
The mockup is set in a location visible from the primary architectural vantage — from the driveway, from the street, from the porch — at the height and orientation it will actually appear from when installed.
What the mockup reveals that samples do not
Color at scale
A 3-inch sample of clay tile shows the tile's color. A 4-by-4 mockup shows what the tile reads as in volume — the cumulative color of dozens of tiles installed together, with shadow lines and joint patterns visible.
The two readings are often different. A tile that looks "rich terra cotta" as a 3-inch sample can read "muddy" or "too red" at scale. The mockup is the only way to know.
Color in actual light
A sample reviewed indoors under fluorescent or LED light reads differently than the same sample on a south-facing slope at 3 p.m. The actual color in actual conditions can shift toward more red, more orange, more brown, depending on the light.
Color against surrounding materials
The roof reads against the stucco, the windows, the trim, the landscape. A mockup on the actual home shows the actual combination. An in-shop sample shows the material in isolation.
Profile and shadow
A tile sample shows the profile but not the shadow it casts at scale. A mockup at a representative pitch shows how the shadow reads from the architect's vantage.
Texture and matte vs gloss
Subtle differences between similar tiles (matte vs lightly glazed, smooth vs textured) are often visible only at scale and in actual light.
What a mockup costs
For typical residential roofing:
- Material for the mockup: $300-$1,200 (tile or slate is most expensive; asphalt and metal are less)
- Installation labor: 4-8 hours of foreman time
- Removal: 2-4 hours after approval
Total cost: typically $1,000-$3,500.
On a project where the roof material is $80,000-$300,000, the mockup is a tiny fraction. The savings from avoiding a wrong-material decision are substantial.
When we build mockups
On every project where:
- The material is a custom color or custom profile
- The material is being specified for the first time at this property
- The architect requests one
- The owner is uncertain about the visual outcome
- The architecture is highly visible (estate work, historic restoration)
In practice, on roughly 80% of our projects.
When we do not
Standard color asphalt shingle on a tract home. The material is well-characterized; the visual outcome is predictable; the cost of a mockup is not warranted.
How long the mockup stays up
Typically 7-14 days. Long enough for the architect and the owner to view the mockup:
- At different times of day (morning, midday, afternoon, evening)
- In different weather conditions (sunny, overcast, after rain)
- From the multiple vantages the roof will be viewed from
After approval, the mockup is removed and the production roof begins.
What happens if the mockup is rejected
We propose alternatives, often starting with adjustments to the same material (different blend, different cap detail, different attachment pattern). If the material itself is the issue, we re-mockup with a different material before committing.
The mockup is the moment to change direction. After production tile is ordered, the material is committed. The mockup is the gate; once we are through the gate, we move forward.
A note on the architect's role
The architect should attend a mockup viewing in person if at all possible. Photographs and video are useful but not adequate for a final color and texture decision. The light cannot be photographed accurately; the texture cannot be felt through a screen.
If the architect cannot attend, the next-best option is for the project lead from our team to film the mockup at multiple times of day and share with the architect. The decision is then made remotely with the documented evidence.
The owner's attendance is also valuable but typically less critical than the architect's, because the architect is making the design judgment.
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