Product Overview

UHPC Thin Composite Slab

UHPC Thin Composite Slab is a new-generation precast structural floor system composed of an ultra-thin UHPC precast base and cast-in-place composite layer. It solves the heavy weight, thick thickness and slow construction pain points of traditional precast slabs, realizing ultra-thin structure, self-formwork, fast assembly and high structural safety for modern prefabricated buildings.

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Product Description

UHPC Thin Composite Slab is a prefabricated composite floor system built with ultra-high performance concrete. Compared with conventional cast-in-place composite slabs, the UHPC precast base achieves lighter self-weight and thinner thickness, eliminating temporary formwork on site while delivering excellent crack resistance and structural durability..

Traditional composite slabs demand heavy on-site wet work, thick layers and complex support systems, limiting clear floor height and extending construction schedules. Our UHPC thin composite slab shortens assembly cycles, reduces overall building loads, leaves smooth bottom surfaces ready for finishing, and fits residential, commercial and prefabricated construction projects.

Adventage

Ultra-Thin & Height Maximization – Minimum slab thickness down to 100mm, 30% thinner than traditional composite slabs, effectively increasing floor net height.
Super Lightweight & Low Load – Ultra-thin precast base greatly reduces self-weight, lowers overall building load and saves foundation and structural steel costs.
Self-Formwork & Fast Construction – No temporary formwork required on site, fewer supporting points, greatly shortens construction cycle and reduces labor input.
High Structural Safety & Crack Resistance – UHPC high-strength matrix with integrated steel truss design delivers excellent tensile, compressive and anti-deformation performance.
Excellent Flat Finish & Less Rework – Smooth bottom surface eliminates plastering procedures, directly available for interior decoration.
Green & Cost-Effective – Reduces on-site concrete pouring, waste and wet work, fully compliant with prefabricated and green building standards.

Parameter	Specification	Unit
Precast UHPC Base Thickness	15–20	mm
Total Composite Slab Thickness	100–130	mm
Compressive Strength (28d)	≥120	MPa
Flexural Strength (28d)	≥16	MPa
Maximum Single Span	Up to 4.5	m
Self-weight of Precast Panel	≤90	kg/㎡
Dry Shrinkage	≤300	×10⁻⁶
Water Absorption	≤2.5	%
Standard Panel Width	1200, customizable length	mm

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