Preqonn AI
Book a Demo →
Walls & Ceilings · Division 9

Every partition, typed. Every assembly, signed.

P1 through P14, mapped to the right UL or GA assembly. Finish levels pulled from the RCP. Fire, smoke, and STC verified before the bid leaves the office.

Book a Demo → See it on your partition schedule
142 partitions · auto-mapped
UL U419, GA WP 3243 · cited
0 unrated walls at corridors
PARTITION TAG UL / GA ASSEMBLY
P1 5/8" Type X · 1-side · NON-RATED -
P3 5/8" Type X · 2-side · 1HR →
P5A 2-layer · STC 55 · 2HR →
P7 Shaftliner · 2HR · area sep →
P9 Abuse-resist · corridor · 1HR →
GA WP 1072 Non-rated · interior OK
UL U419 1HR · 25ga · 16"oc OK
UL U411 + RC1 2HR · STC 56 · R-19 L5
UL U415 2HR · shaft · 1" liner OK
UL U465 1HR · AR board · TYPE X FLAG
142 / 142 mapped Senior estimator signed
The bid before AI

Where drywall bleeds hours.

Four places the partition schedule eats a week and one bad call closes a wall after inspection. Each one has an AI that handles it now.

P1The pain

Mapping P1 through P14 to UL and GA assemblies, by hand.

Hundreds of walls across A-sheets. Each tag points to a different layer count, board type, stud gauge, and rating. One estimator, three days, six sticky notes. Any revision starts the cross-walk over.

A-201 · A-301 · A-401 · partition schedule sheet G-002
AIPreqonn

Every tag, mapped to its UL or GA assembly, in one pass.

The AI reads the partition schedule, matches each tag to UL U419, U411, U465, or GA WP 3243, and sums board, stud, sealant, and insulation by assembly. Re-runs in seconds on addenda.

UL U411 · UL U419 · UL U465 · GA WP 3243 · GA WP 1072
L5The pain

Missing a Level 5 call at critical lighting.

Lobby walls under raking light. Conference rooms with linear LEDs. The RCP says "Level 5 at critical lighting" in a single note that gets read once and never re-checked. Skim coat omitted, walls reopened at punch.

RCP · finish schedule · 09 29 00 · GA-214
AIPreqonn

Finish level auto-flagged per wall from the RCP.

The AI cross-references partition tags, lighting layout, and finish schedule. Level 5 walls get separate line items for skim coat, primer, and labor rate. Level 4 vs. 5 is never a guess again.

Level 1 · Level 2 · Level 3 · Level 4 · Level 5
1HRThe pain

Hanging a non-rated wall where a 1-hr UL is required.

Corridor walls. Stair enclosures. Shaftliner around the elevator. Mis-read the partition schedule once and the inspector finds it. Walls reopened, second layer added, schedule blown.

IBC §711 · life-safety LS-101 · UL fire-resistance directory
AIPreqonn

Fire and smoke ratings verified per partition, every time.

The AI overlays the partition tags onto the life-safety plan. 1-hr corridors, 2-hr shafts, smoke partitions, and area separations all get the correct assembly. Conflicts get flagged with the sheet reference.

1HR · 2HR · 4HR shaftliner · smoke partition · area separation
STCThe pain

Forgetting the acoustic sealant and batt in STC partitions.

STC 55 isn't just two layers and resilient channel. It needs perimeter acoustic sealant, R-19 batt, and back-to-back electrical box detailing. Estimators bid the board, forget the rest, eat the cost.

ASTM E90 · STC 50 · STC 55 · STC 60 · NIC
AIPreqonn

Full BOM per STC assembly, sealant and batt included.

STC rating drives the assembly. The AI generates the matching BOM: board layers, RC1, R-19 mineral wool, acoustic sealant LF, putty pads. Every component priced, every line item defensible.

5/8" Type X · 2-layer · RC1 · R-19 · acoustic sealant
How verification runs

From partition tag to signed assembly, in four moves.

Scroll the column. The canvas builds the same wall the AI builds: tag extracted, UL mapped, finish level checked, rating verified.

01 · extract

Pull every partition tag off the schedule.

The AI reads the partition schedule sheet and indexes every tag, layer, stud, gauge, and rating call. P1 through P14, every variant.

SHEET G-002P1 · P14142 walls
02 · map

Match each tag to the right UL or GA assembly.

Layer count, stud gauge, spacing, and rating drive the match. UL U419, U411, U465 or GA WP 3243 - every wall lands on a cited assembly.

UL U419UL U411GA WP 3243
03 · finish

Flag Level 5 walls from the RCP and the finish schedule.

Critical-lighting walls, lobbies, conference rooms. Level 4 stays Level 4. Level 5 walls get their skim coat line item, automatically.

GA-214LEVEL 4LEVEL 5
04 · verify

Cross-check fire, smoke, and STC against life-safety.

Every rated partition gets verified against the life-safety plan. Smoke partitions, area separations, and STC assemblies get the matching BOM, head-of-wall detail, and sealant.

IBC §711ASTM E90NFPA 105
142 / 142
0walls

Every partition tag mapped to a cited UL or GA assembly. No unrated walls left at life-safety boundaries.

Auto-flagged
0L5

Level 5 walls pulled from the RCP and finish schedule. Skim coat and primer line items added automatically.

Bid-ready
0faster

From spec drop to signed BOM. The senior estimator reviews, not rebuilds.

Codes auto-checked

Every citation,
signed and traceable.

The AI doesn't guess at code. Every partition assembly links back to the UL or GA design number on file. Every life-safety call cites the IBC chapter it came from.

Citation packet ships with every bid. Inspector reads the line. Reads the source. Done.
UL FRD UL fire-resistance directory - every rated assembly mapped to a UL design number per partition tag.
GA-600 Gypsum Association fire-resistance design manual - WP 1072, WP 3243, and WP variants for non-UL assemblies.
ASTM C840 Standard specification for installation of gypsum board - fastener spacing, control joint LF, expansion-joint placement.
ASTM C1396 Board type spec - Type X, abuse-resistant, mold-resistant, shaftliner - each mapped to its ASTM C1396 designation.
GA-214 Recommended levels of finish for gypsum board - Level 1 through Level 5, flagged from the RCP at critical lighting locations.
IBC §703 Fire and smoke protection features - required rating cross-checked against the partition schedule for every wall.
IBC §711 Horizontal assemblies + vertical fire barriers - head-of-wall, joint, and penetration firestopping flagged where partitions meet rated assemblies.
IBC §722 Calculated fire resistance - verifies assembly hourly rating against the listed design value.
ASTM E90 STC laboratory measurement - partition + sealant + insulation BOM verified to meet the spec'd STC class.
NFPA 105 Smoke door / smoke partition assemblies - partitions on the smoke plan verified independently of fire rating.
FAQ · Drywall

What estimators ask before the demo.

Four real questions. Direct answers. No marketing.

Yes. The AI reads the schedule sheet, extracts every tag with its layer count, stud gauge, rating, and STC, and indexes it against the wall plan. We've run schedules with 200+ partition variants across multi-floor jobs.
It still gets mapped. If the spec defines a proprietary or custom assembly (e.g., a specific board + RC + stud + batt stack-up), the AI reads the spec section and builds the BOM directly. Custom assemblies don't get skipped, they get flagged for sign-off.
Where rated partitions meet rated horizontal assemblies, the AI flags head-of-wall (HW) joint requirements per UL or IBC §711 and adds firestop and joint sealant LF to the BOM. Penetrations get separate firestop line items when MEP is coordinated to the partition plan.
Yes. STC is a separate check from rating. The AI matches the spec'd STC class against the assembly per ASTM E90 lab data, and adds R-19 mineral wool, RC channel, acoustic sealant LF, and back-to-back electrical box putty pads when required. Acoustic scope stops disappearing into the framing line.
Try it

See it work on your partition schedule.

20-minute demo. Bring a real partition schedule and one set of life-safety plans. We'll run them through Preqonn AI and walk the output, assembly by assembly.

Book a Demo →
Bring a real PDF Output stays yours 20-minute walkthrough
Preqonn AI
Book a demo →