Contractor Resources

Buying Guides & Field Notes for SPF Contractors

Straight-talk buyer’s guides, cost breakdowns, and equipment playbooks written for contractors running rigs nationwide — not homeowners.

Spray foam rig trailers parked side by side in a distribution yard

16 min read

How to Choose a Spray Foam Rig: The Complete 2026 Buyer's Guide

Proportioner comparisons, trailer vs. truck-mounted setups, generator sizing, financing ranges, and a pre-purchase checklist for contractors buying their first or fifth rig.

Cost comparison sheet on a clipboard in front of stacked spray foam chemical drums

8 min read

Open-Cell vs. Closed-Cell Spray Foam Chemical Costs: What Contractors Should Budget For

Cost-per-board-foot math, yield differences, and how to bid jobs accurately as chemical set pricing swings through the season.

Climate-controlled drum storage room with spray foam chemical drums on steel racks

7 min read

Proper Drum Storage & Handling for Spray Foam Chemicals: A Contractor's Checklist

Ideal drum storage temperatures, freeze/thaw effects on A-side and B-side viscosity, safe handling equipment, and pre-job warm-up timelines.

Contractor reviewing spray foam rig financing paperwork next to a trailer rig

8 min read

Financing a Spray Foam Rig: Options for New and Growing Contractors

Lease-to-own vs. term financing, what lenders actually require, and real monthly payment ranges for a first rig or a second crew's rig.

7 min read

Graco vs. PMC/Gusmer Proportioners: Which Spray Foam Rig Setup Is Right for Your Crew?

Head-to-head on output rate, parts availability, field-repair ease, ratio control, and resale value — matched to your typical job type.

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