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Guardian Structural Technologies

What drives the cost of a panel building

Comparing a panel price against a lumber package answers the wrong question. The comparison that matters is the delivered envelope: material, labor, insulation, schedule and the equipment the envelope lets you shrink.

Count the whole envelope

A panel arrives with its insulation, its structure, its rough openings and its headers. A stick wall arrives as lumber and needs framing labor, a separate insulation contractor, and time. Comparing the two on material alone puts a complete assembly against a component.

Labor is the item that has moved most. Guardian's comparisons return to it repeatedly: panels install faster, with less skilled labor, and at lower labor cost than stick framing, masonry or site-built steel.

Sequential site framing against parallel panel manufacture Stick framing runs after the foundation. Panels are manufactured while the foundation is completed and shipped when the site is ready, so the shell goes up in days. Built on site, in sequence Foundation Frame, sheath, insulate Interior trades longer Panelized, in parallel Foundation Panels manufactured Erect Interior trades shorter
Guardian states the rough construction of the exterior envelope drops by over 50 percent, the overall build by 20 to 35 percent, and that a typical 2,000 sq ft home can be under roof in 2 to 3 days.

Then count the second-order savings

A smaller peak load means smaller HVAC equipment, less ductwork and a quicker mechanical installation. A shorter shell program means less financing, less site overhead and an earlier revenue date. Neither shows up in a wall-to-wall price comparison.

Waste is a real line too: components designed to be used in total, with no dumpster, remove a cost most estimates bury in preliminaries.

And the cost of owning it

For an owner-occupier or a long-term holder, the operating saving is part of the capital decision. Guardian's published figures are a 70 to 80 percent reduction in heating and cooling cost on the products page, 75 to 85 percent in the differentiation sheet and on the market page, and up to a 10 percent reduction in total construction cost.

What Guardian publishes

  • Guardian states a reduction of up to 10 percent in total costs of construction, and a build in 20 to 35 percent less time.

    Source · Market page, transformative powers

  • Efficient construction: reduction of the rough construction of the exterior envelope by over 50 percent, with no need for an insulation contractor.

    Source · Differentiation sheet

  • Components are designed to be used in total, with no waste or need for a dumpster.

    Source · Differentiation sheet

  • Labor costs to install Shield™ panels are less than stick framing and site-built steel framing, and a small fraction of the cost of installing masonry.

    Source · Products page comparisons

Published by Guardian Structural Technologies. Last updated .

Drafted from our product literature and published building-science sources. Awaiting our technical review. Confirm any figure against the current product documents or ask us before you rely on it in a design.

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