Formulation

Recipes

Versioned formulations — the R&D source of truth. Every version is diffable, reviewable, and has a clear approval state before it can run in production.

In production
4
Approved recipes
Candidates
1
Pending approval
Drafts
2
Active R&D
Retired
1
Archived for traceability
WS-FAC-01·v1.2.0·Facade

Facade Panel – Rainscreen

Phenolic-bound lignin/sawdust blend with iron oxide pigments. Production recipe for FAC-PNL-CL. Cures via Fenton oxidation then oven post-cure; finished with beeswax / linseed oil blend.

Approved
Compr.
58.2 MPa
Water
3.1%
UV
9.3/10
Density
820
Ingredients
17
Batch cost
$4.48
Cost / kg
$5.87
P. Sepassi · updated 2026-04-10
WS-FAC-02·v0.9.4·Facade

Facade Panel – UV Extreme

Experimental lignin-heavy blend for harsh climates (Phoenix, Dubai). Adds iron oxide pigment and shifts binder ratio toward kraft lignin. Acoustic retest pending before candidate promotion.

Draft
Compr.
54.6 MPa
Water
2.9%
UV
9.7/10
Density
798
Ingredients
18
Batch cost
$4.47
Cost / kg
$5.75
M. Torres · updated 2026-04-18from WS-FAC-01 v1.2.0
WS-INS-01·v2.4.1·Insulative

Insulative Panel – R-19 Core

Low-density cellulose / CNF blend with ATH flame retardant. Standard spec for INS-PNL-R19. Uses sodium alginate for foam structure and minimal binder loading to preserve R-value.

Approved
Compr.
14.2 MPa
Water
3.8%
UV
6.5/10
Density
140
Ingredients
11
Batch cost
$6.37
Cost / kg
$6.57
P. Sepassi · updated 2026-04-12from WS-INS-01 v2.3.0
WS-INS-02·v1.0.2·Insulative

Insulative Panel – Moisture-resistant

Adds silane coupling agent to treat CNF and sawdust surfaces, reducing moisture uptake in high-humidity cavities. Pending fire retest before promotion to approved.

Candidate
Compr.
12.8 MPa
Water
2.2%
UV
6.1/10
Density
150
Ingredients
11
Batch cost
$6.68
Cost / kg
$7.06
M. Torres · updated 2026-04-16from WS-INS-01 v2.4.1
WS-ACS-01·v3.1.0·Acoustic

Acoustic Panel – STC 40

Porous fine-particle matrix with polyurethane emulsion binder. Open-cell structure targets 500 Hz absorption with STC-40 transmission.

Approved
Compr.
22.1 MPa
Water
4.9%
UV
6/10
Density
320
Ingredients
10
Batch cost
$2.26
Cost / kg
$3.84
R. Chen · updated 2026-04-02
WS-ACS-02·v1.4.3·Acoustic

Acoustic Panel – STC 60

Higher-density acoustic stack for ACS-PNL-60 wall assemblies. Denser formulation and thicker panel deliver STC 60 with reasonable weight.

Approved
Compr.
38.6 MPa
Water
3.4%
UV
6.2/10
Density
520
Ingredients
10
Batch cost
$2.23
Cost / kg
$3.67
J. Park · updated 2026-03-28
WS-FUR-01·v0.3.1·Furniture

Furniture – Surface-finish Grade

Fine-particle sawdust with CNC reinforcement for visible surfaces. Uses Part D wax/oil treatment for a hand-finished look.

Draft
Compr.
48.3 MPa
Water
3.8%
UV
7.9/10
Density
740
Ingredients
13
Batch cost
$1.91
Cost / kg
$6.30
R. Chen · updated 2026-04-09
WS-INS-00·v1.8.7·Insulative

Insulative Panel – Legacy

Retired in favor of WS-INS-01 v2.4.1. Archived for traceability of legacy installs — do not mix new batches.

Retired
Compr.
13.1 MPa
Water
4.6%
UV
6/10
Density
155
Ingredients
8
Batch cost
$5.43
Cost / kg
$5.93
P. Sepassi · updated 2025-11-04