Spray Foam Insulation — Closed-Cell (ccSPF)

Updated Mar 25, 2026

High-performance spray insulation R-6.5/inch. Air+vapor barrier. Structural enhancement.

2.0 lb/ft³ density. R-6.5/inch. Vapor retarder at 1.5+ in (1 perm). Air barrier any thickness. Structural racking enhancement ~300%. Must be covered by thermal barrier (1/2 in gypsum). Cost $1.50-$3.50/board ft. CSI 07 21 29. ASTM C1029.

TAGS

spray-foam insulation closed-cell air-barrier

DETAILS

standard

ASTM C1029

cost per bf

$1.50-$3.50

csi division

07 21 29

r value per inch

6.5

sustainability grade

SOURCES

🔗https://www.insulationinstitute.org/

RELATED KNOWLEDGE

🧱 Material

PVC Pipe — Schedule 40

Standard white PVC drain/waste/vent pipe. Most common DWV pipe in residential construction.

🧱 Material

Pervious Concrete (Permeable Pavement)

Material specification and application for pervious concrete (permeable pavement).

🧱 Material

Laminated Strand Lumber (LSL)

Engineered wood product for structural and connection applications

🧱 Material

Pressure-Treated Lumber Stud Grade Lumber

Stud Grade Pressure-Treated Lumber for framing and structural applications

🧱 Material

Concrete 2500 PSI (17.2 MPa)

Standard-strength concrete for structural and commercial applications

🧱 Material

Romex NM-B 12/2 — Non-Metallic Sheathed Cable (Residential Wiring)

Standard residential electrical wiring: 12 AWG copper, 2 conductors + ground, NM-B rated. For 20-amp circuits. Used for kitchen, bathroom, laundry, garage receptacles per NEC. Interior dry locations only.

← Back to Knowledge Garden