Articles
Notes for specifiers — not a magazine.
Short pieces on cellular concrete, cellular grout, and how they differ from everyday CLSM. Same facts as the product page. No invented case studies.
Published articles
Neat Cement vs Sanded Cellular Concrete: Portland Spec Notes
When Portland Metro and PNW cellular concrete should be neat cement (~20–60 pcf band) vs cement+sand for higher density/strength — cast density, pumpability, and what to collect before placement.
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Cellular Concrete Placement Lifts and Fluid Pressure: Portland Spec Notes
Why Portland Metro and PNW cellular concrete is placed in lifts — fluid hydrostatic pressure while plastic, typical ~4 ft lifts, forms and bulkheads, and what to collect before placement.
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Annular Space Grouting with Cellular Concrete: Portland Metro Spec Notes
How cellular grout fills the annulus between a carrier pipe and host casing or tunnel on Portland Metro and PNW jobs — cast density, buoyancy of the liner, vents, and what to collect before placement.
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Buoyancy When Placing Cellular Concrete Below the Water Table: Portland Metro Notes
Why ~27–50 pcf cellular concrete floats relative to water (62.4 pcf) on Portland Metro and PNW jobs — what to collect, lifts, pipe/tank and foundation interactions, and submittal talk.
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Cast Density Spec Notes for Cellular Concrete in Portland
Why cast density (pcf) is the primary knob on Portland Metro and PNW cellular concrete specs — how it relates to strength, buoyancy, lifts, and what to write before dispatch.
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Permeable vs Non-Permeable Cellular Concrete: Portland Spec Notes
Closed-cell vs open-cell (PLDCC) cellular concrete for Portland Metro and PNW jobs — when to specify each, drainage vs abandonment, density, and what to collect before placement.
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Foundation and Abutment Backfill with Cellular Concrete: Portland Metro Spec Notes
How cellular concrete reduces dead load and fills tight voids behind foundations and abutments in the Portland Metro and PNW — cast density, lateral pressure, lifts, and what to collect before placement.
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Pipe and Tank Abandonment with Cellular Grout: Portland Metro Spec Notes
How cellular grout is used for pipe and tank decommissioning in the Portland Metro and PNW — cast density, vents, buoyancy, and what to collect before the truck arrives.
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Cellular Concrete vs Flowable Fill (CLSM): What Portland Specifiers Should Know
Honest comparison of cellular concrete/grout vs CLSM for pipe/tank abandonment and lightweight backfill in the Portland Metro and PNW.
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