U-STUCCO™ Fire-Resistant Stucco Dealer in California
The World’s First Insulated, Fire-Resistant, Hydrophobic Stucco
Unmatched Fire Protection
U-STUCCO™ is non-combustible and withstands temperatures up to 2,200°F without igniting, spreading flames, or releasing toxic gases. Protect your structure with the highest level of fire resistance available in the industry.
Class 1 Fire Resistant
Can endure extreme heat for over 2 hours
Zero toxic emissions when exposed to fire
Superior Insulation for Energy Efficiency
Achieve higher R-values and reduce energy costs with U-STUCCO™. Designed to cover thermal breaks in wall assemblies, it significantly enhances insulation performance, keeping homes and buildings comfortable year-round.
Provides up to R-2.2 per inch
Meets California Title 24 energy codes
Works seamlessly with ICF, EPS, XPS, and RockWool systems
100% Water-Resistant & Mold-Proof
Say goodbye to moisture damage! U-STUCCO™ is the first hydrophobic stucco, preventing water penetration, mold, and mildew growth. Ideal for interior and exterior applications in any climate.
Resists wind-driven rain and hydrostatic water
Allows vapor diffusion while blocking moisture penetration
Prevents mold and mildew for a healthier indoor environment
Faster & Easier Application – One Coat, No Hassle
Forget the time-consuming 3-coat stucco system. U-STUCCO™ applies in a single pass of up to 1 inch, cutting installation time by up to 50% and reducing labor costs.
No special training required – Just mix with water and apply
Can be troweled or spray-applied
Ready for finishing in 48 hours – No moist-curing needed
Compatible with Almost Any Surface
U-STUCCO™ seamlessly adheres to nearly all common building materials, making it the most versatile stucco solution available.
ICF, EPS, XPS, CMU & AAC blocks
DensGlass, fiber cement board, MgO panels
Steel, wood, and even 3D-printed concrete walls
Eco-Friendly & Sustainable
Go green with U-STUCCO™! Made with post-consumer recycled content, it reduces water usage by 50% compared to traditional stucco, minimizing your carbon footprint without compromising performance.
Contains up to 20% recycled materials
VOC-free & non-toxic – Safer for installers & occupants
1/7th the weight of conventional stucco, reducing dead loads
Save More with U-STUCCO™
Up to 2X faster installation →
Lower labor costs
Lightweight formula →
Lower transportation costs
High coverage per bag →
Less material needed
U-STUCCO™ XPX
High Performance Insulated Base Coat Stucco for EPS, XPS, ICF Systems, RockWool, DensGlass, CMU, AAC Blocks & SIP Systems
in stock
U-STUCCO™ HPX
Fiber Reinforced High Impact Resistant Insulated Finish Coat Stucco
in stock
U-STUCCO™ FRX
Ultra Light Weight, Inorganic, Portland Cement Based Fire Resistive Plaster
on request
U-STUCCO™ SFX
Mineral Based VOC Free Smooth Finish Plaster for Interior Applications
on request
U-STUCCO™ PLX
High Performance Water Resistant Thermal Plaster for Pools
on request
U-STUCCO™ ACX
Ultra Light Weight Decorative Acoustic Plaster
on request
U-STUCCO™ HRX
Mold & Water Resistant Historic Restoration Plaster
on request
U-STUCCO™ TSX
High Performance Polymer Enriched Water Resistant Thinset
on request
Order U-STUCCO™ from Castle House Distributors Today!
Upgrade your building projects with the most advanced stucco technology on the market. As Sacramento’s trusted distributor, Castle House Distributors ensures fast, reliable delivery and expert support for all your U-STUCCO™ needs.