SPF roofing
Spray polyurethane foam roofing and insulation is specified and installed to this standard.
ASTM C1029Credentials
Commercial roofing credentials, warranties, and standards
Warrantied, documented
Every claim on this page is one we can back up: a stated warranty term, a documented service record, or an industry standard our work is measured against. Nothing here is padded.
What backs our work
Certified, tenured, and warrantied
01
41-year service record
A-1 has focused on commercial roofing and insulation since 1985, one trade, the whole time.
02
10, 15, and 20-year warranties
Warranty term follows dry film thickness on coatings and topcoat thickness on SPF, set at the time of installation.
03
Five-state coverage
Commercial work across South Dakota, Nebraska, Iowa, Minnesota, Wyoming (eastern).
Standards
The standards our work is measured against
Every service page on this site cites the specific standard behind it. Here they are in one place.
Moisture surveys
Infrared thermography inspection follows this standard for locating wet insulation beneath a roof membrane.
ASTM C1153Nuclear moisture survey
Nuclear gauge moisture surveys on layered or ballasted roofs follow this standard.
ANSI/SPRI/IIBEC NT-1Capacitance moisture survey
Electrical capacitance and impedance moisture scanning follows this standard.
ASTM D7954Adhesion testing
Pull-off adhesion testing on coatings and membranes follows this standard.
ASTM D4541Wind uplift
SPF roofing wind-uplift performance is measured against FM Global testing criteria.
FM GlobalFoam fire protection
Interior spray foam is installed with the thermal barrier the code requires, or an ignition barrier where an attic or crawl space qualifies.
IBC 2603.4 / 2603.4.1.6Want to verify a claim before you sign?
Ask us directly about certifications, standards, or warranty terms for your specific project. We would rather answer the question than have you guess.
41-year commercial roofing and insulation record