PETERS CUSTOM HOMES

Roofing, Cladding, and the Building Envelope

EXTERIOR ASSEMBLY

TYPICAL ALLOWANCE: $250,000 - $900,000 ROOF AND CLADDING

Roof and cladding are permanent decisions in a way that interior finishes are not. A homeowner may repaint a study three times in twenty years; they will not re-roof a slate residence. The material chosen at design development establishes the architectural language of the elevation and the service obligations of the next several decades.

It is also the assembly where detailing outweighs product. Excellent slate installed with inadequate underlayment and poor flashing will fail before a mid-grade architectural shingle installed correctly. We specify both the material and the assembly behind it.

Roofing materials

Natural slate carries a service life beyond a century and an unmistakable weight and texture. It is the most expensive option, requires structural framing designed for its load, and demands an installer who genuinely works in slate. Synthetic slate delivers a substantial share of the appearance at a fraction of the weight and cost with a 50-year expectation.

Standing seam metal, in painted steel, zinc, or copper, suits modern, farmhouse, and mixed-material elevations, sheds water reliably at low pitch, and lasts 50 years or more. Concealed-fastener panels are the only acceptable specification; exposed-fastener panels belong on agricultural buildings.

Cedar shake delivers texture appropriate to shingle-style and coastal-influenced architecture and requires periodic treatment. Premium architectural asphalt shingle remains a legitimate choice on secondary elevations and on homes whose budget is better directed toward windows and interiors; the 30 to 50 year designer profiles are far removed from builder-grade product.

Underlayment, flashing, and ventilation

Beneath any finish material we specify a high-temperature self-adhered membrane at eaves, valleys, hips, and all penetrations, with a synthetic underlayment across the field. Ice damming is not the concern in Charlotte; wind-driven rain and long-term heat exposure are.

Flashing is fabricated metal, not sealant. Step flashing at every wall intersection, counter-flashing let into masonry, kick-out flashing at every roof-to-wall termination. The missing kick-out flashing is the single most common cause of hidden sheathing rot we encounter in homes built by others.

Where the attic is unconditioned, balanced intake and ridge ventilation are required. Where the roof deck is spray-foamed and the attic is inside the envelope — our standard approach — the assembly is unvented by design and the underlayment specification changes accordingly.

Masonry, stucco, and siding

Full-bed natural stone and hand-molded brick are the enduring choices for traditional and European elevations. Both require a drainage cavity and correctly installed flashing with weeps at the base; masonry is a reservoir cladding and must be allowed to drain and dry.

Three-coat stucco over lath, with a drainage plane, performs well when detailed properly and fails catastrophically when it is not. We do not install stucco directly over sheathing; a ventilated rainscreen layer is mandatory.

Painted wood, engineered wood, and fiber cement all remain appropriate depending on architecture. Whatever the material, the rainscreen principle governs: a drainage gap behind the cladding, a continuous weather-resistive barrier, and a path for water to exit at every horizontal interruption.

Budget and service life

Roof and cladding together typically represent $250,000 to $900,000 on the residences we build. Natural slate with full-bed stone occupies the top of that range; architectural shingle with brick and fiber cement occupies the bottom.

The useful way to evaluate the premium is service life and maintenance. Slate and copper are effectively permanent. Standing seam and synthetic slate are 50-year assemblies. Architectural shingle is a 30-year assembly. Where a family intends to hold the residence generationally, the durable envelope is frequently the better allocation even at the expense of an interior upgrade.

A missing kick-out flashing costs four dollars and eventually rots a wall. It is the detail we inspect first.

PETERS CUSTOM HOMES

AT A GLANCE

Specification Summary

FREQUENTLY ASKED

Roofing & Envelope Questions

How long does a slate roof last?

Natural slate routinely exceeds 100 years when installed with copper flashing and adequate underlayment. The framing must be designed for its weight from the outset, and the installation requires a roofer who works in slate regularly.

Is standing seam metal roofing appropriate for a luxury home?

Yes, and it is increasingly common on modern, farmhouse, and mixed-material elevations. Specify concealed-fastener panels in painted steel, zinc, or copper. Expect 50 years or more of service with minimal maintenance.

What causes hidden water damage behind exterior walls?

Missing kick-out flashing at roof-to-wall terminations is the most common cause, followed by reverse-lapped weather barriers and stucco applied without a drainage plane. All three are inspection items rather than product problems.

How much does the exterior envelope cost?

Roof and cladding together typically run $250,000 to $900,000 on a luxury residence. Natural slate with full-bed stone sits at the top of that range; premium architectural shingle with brick and fiber cement sits near the bottom.

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Discuss Your Specifications With the Founder

Nicholas Peters personally reviews every specification decision on the eight to ten residences the firm builds each year.

LIMITED TO 8–10 PRIVATE RESIDENCES PER YEAR