Material Standards

We pick materials by what they cost over thirty years, and we'll show our work.

Most building decisions get made on initial price. We evaluate performance, longevity, maintenance, energy use, and comfort, then recommend where each dollar earns its keep on your project. Here is the standard kit, what each product does, and what you'll notice living with it.

Where to invest first

The enclosure works every day the building exists.

Roof, walls, windows, air barriers, and insulation affect comfort, energy use, and durability around the clock for the life of the building. Countertops can be upgraded in year ten; a wall assembly is forever. When budgets force choices, we recommend the enclosure first, and we'll show the math behind that recommendation on your specific project.

A material that costs more on installation day and saves money every month after has a break-even date. Preconstruction is where we calculate it for your building instead of asserting it.

The standard kit

Ten products, and the job each one holds.

ZIP R® Wall Sheathing

What it is: structural sheathing with a built-in weather barrier and continuous exterior insulation, in one panel.

Why we specify it: it wraps the framing in insulation, so posts stop conducting heat out of the wall, and it gives a taped, inspectable air barrier.

What you'll notice: even temperatures and lower heating loads, especially on windy nights.

ZIP System® Roof Sheathing

What it is: the same integrated sheathing and weather barrier, on the roof deck.

Why we specify it: the roof takes the most weather of any surface. Full sheathing under the metal creates a sealed, durable deck and protects the build during construction.

What you'll notice: a quiet roof in rain, and an attic assembly that stays dry.

SIGA Majrex® Vapor Control

What it is: a smart membrane with directional vapor permeability.

Why we specify it: it restricts moisture entering the wall in winter and lets the assembly dry when seasons reverse. Fixed plastic barriers only do half that job.

What you'll notice: nothing, for decades. That's the point.

Rockwool® Insulation

What it is: stone wool batt insulation, spun from rock.

Why we specify it: strong thermal performance, serious sound absorption, dimensional stability, water resistance, and it does not burn. In a wildfire region, non-combustible insulation is a real feature.

What you'll notice: quiet rooms and stable temperatures.

Rain Screen Wall System

What it is: a ventilated drainage cavity between the weather barrier and the siding, vented with Cor-A-Vent® SV-5 strips.

Why we specify it: walls should manage water, and a drained, ventilated gap lets everything that gets past the siding leave. Siding also lasts longer with its back ventilated.

What you'll notice: siding that looks good years longer, and a wall that dries between storms.

Triple-Pane Composite Windows

What it is: three panes of glass with insulating frames.

Why we specify it: windows are the coldest surface in any wall. A third pane raises the inside glass temperature, which cuts drafts, condensation, and noise at the source.

What you'll notice: reading chairs by the window in January, and quiet you can hear.

Standing Seam Metal Roofing

What it is: metal roofing with concealed fasteners and raised, interlocking seams.

Why we specify it: the fasteners live under the metal instead of through it, which removes thousands of gasketed screw penetrations from your weather surface. It sheds snow well and accepts solar mounting cleanly.

What you'll notice: decades of service with minimal maintenance.

Hydronic Radiant Slab Heating

What it is: warm water circulating through tubing in an insulated concrete slab.

Why we specify it: the floor becomes the radiator, so heat starts where people and work are. It pairs beautifully with big open spans and shop space.

What you'll notice: warm floors, silent heat, and a shop that works in winter.

Perma-Column® Foundations

What it is: precast concrete columns that carry the structural posts, keeping every piece of wood above the soil.

Why we specify it: wood in the ground is the durability question this category has earned over fifty years. Concrete in the ground and wood in the air settles it, and it satisfies lenders reading foundation requirements.

What you'll notice: a building your kids inherit rather than repair.

Laminated Columns & Flush-Mount Purlins

What it is: engineered laminated posts, with roof purlins hung in hangers flush to the trusses.

Why we specify it: laminated columns are straighter and more consistent than solid-sawn posts, and flush purlins clean up the structure for finished interiors.

What you'll notice: crisp finished ceilings and drywall that stays flat.

Building performance packages

Foundation, Performance, Signature: what changes at each level.

Every package rides on the same engineered structure and concrete foundations. Performance rises through the envelope and mechanicals. During planning we price the gaps between tiers for your building, so upgrading becomes a numbers decision.

ComponentFoundation Series™Performance Series™Signature Series™
StructureEngineered post frame, laminated columns, Perma-ColumnsSame engineered structureSame engineered structure
Wall sheathingZIP SystemZIP R with continuous exterior insulationZIP R plus enhanced exterior insulation
Vapor & air controlStandard air sealing practicesSIGA Majrex smart vapor control, enhanced air sealingAdvanced air sealing strategy, premium detailing
Wall drainageStandard weather barrierFull rain screen with Cor-A-Vent ventilationHigh-performance rain screen assembly
InsulationFiberglass or RockwoolRockwoolRockwool plus exterior layers
WindowsQuality double-paneTriple-panePremium triple-pane, enhanced install detailing
RoofPremium exposed-fastener metal or architectural shinglesStanding seam metalStanding seam, solar-ready design
HeatingForced air or mini-splitHigh-efficiency systems, hydronic slab availableHydronic radiant plus dedicated ventilation and IAQ strategy
Design approachValue-focused, engineeredSolar-oriented layout, moisture-managed envelopePassive solar optimization, site-specific orientation
Best forShops, investment properties, budget-focused buildsPrimary residences, barndominiums, daily-use buildingsForever homes, luxury barndominiums, mountain retreats

Most primary residences land on Performance Series, which is why it carries the company's name. Where your building should land depends on how long you'll own it and how you'll heat it, and that conversation is part of preconstruction.

“Not every project requires every upgrade. Our role is to help you understand the options and make informed decisions based on your goals, your budget, and your priorities.” Sean Kampstra, Owner

How recommendations get made

Every recommendation comes with its reasoning attached.

When we suggest a product, you'll hear what it does, what it costs, what the alternative costs over time, and what Sean would choose on his own house. Then you decide. Clients keep the reasoning in writing as part of the preconstruction package, which makes every selection auditable later.

See how planning works

Ask us why, about anything on this page.

Bring your questions about materials, tiers, or the products another builder quoted you. Sean will give you the tradeoffs in plain language.

Start Your Project

Want the physics behind these choices? Building Science explains the layers.