Fire rated walls
in one trade.
AAC panels and blocks with ready dose packs. Up to 4 hour UL-rated assemblies. Single wythe. Fewer trades. Faster close-in.
- Non combustible envelope
- Up to 4 hour fire rating
- One inspection path
Install speed
Fewer trades
Fire rating
Up to 4h
Typical cost
$3.12+/sf*
Inspection
Single path
* Example material + labor snapshot for thin cladding. Project conditions vary. Verify with engineering.
UL assemblies
ASTM backed
TMS 402/602
ACI guidance
Why AAC with Xbloc2
Technical. Code aligned. Straightforward install. We keep it simple and fast for builders, GCs, and design teams.
Benefit
Faster build
Single wythe walls and shafts. Remove multi-layer fire walls from the critical path.
Benefit
Safer envelope
Non combustible. Up to 4-hour assemblies. Wet area ready and mold resistant.
Benefit
Lower total cost
Competitive material. Fewer steps. Lower energy over the life of the building.
Proven & compliant systems
Xbloc² AAC systems are UL-listed and ASTM aligned. Our engineering team supports compliant design and AHJ review.
Strong & solid
Steel-reinforced AAC panels with anti-corrosion protection deliver durable strength for demanding builds.
Quality & speed
Building with Xbloc² can mean faster construction times without sacrificing quality.
Fire resistant
Xbloc² AAC is non-combustible and renowned for its fire-resistant properties.
Apartments
Faster installation and proven acoustic performance for multi-family and mid-rise.
Get Design Support
Commercial
Engineered strength and speed for offices, schools, hospitality, and industrial.
Request ConsultationAAC fire walls vs gypsum systems
Typical differences shown for planning. Confirm final assemblies and details with your engineer and AHJ.
| Criterion | AAC (U-series) | Gypsum shaftwall |
|---|---|---|
| Fire rating | Up to 4h | 2–4h with layers |
| Assembly type | Single wythe | Multi-layer |
| Inspections | Single path | Multiple |
| Wet area ready | Yes | Often no |
| Crew complexity | Fewer trades | More trades |
| Schedule risk | Lower | Higher |
Xbloc2 dose packs
Ready-to-use admixture packs that boost performance in thinset, stucco, repair, and finishes. No special gear.
Thinset upgrade
- Higher compressive strength
- Better flexural performance
- Low permeability
Stucco + finish
- Cleaner bond to AAC
- Fast cure profile
- No special equipment
Repair + patch
- Field friendly
- Strong adhesion
- Consistent results
AAC wall calculator
Budgeting tool only
Quick takeoffs for planning. Adjust the inputs to match local pricing and panel modules.
Inputs
Results
Panel area (sf)
16.00
Estimated panels
657
Material cost
$31,200
Labor cost
$45,000
Total
$76,200
Assumes rectangular area and simple layout. Complex openings and staging not included. Verify final takeoff.
Request a quote
Send plans or a quick scope. We reply with assemblies, quantities, and a schedule plan.
What to include
- Plan pages and wall schedules
- Required fire ratings and STC goals
- Approximate wall areas
- Site location and dates
- Any preferred assemblies or details
Spec library
Download the Technical Brochure, UL letters, CAD details, and install guides in Resources.