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CONSTRUCTION MATERIALS CATALOG

Technical specifications, physical properties, standard governing codes, and architectural applications for major construction materials verified under European (EN) and Romanian (NE/CR/C) norms.

Structural MaterialsVERIFIED

Structural Ready-Mix Concrete

RO: Beton Marfă Structural

Engineered composite material comprising hydraulic cement, mineral aggregates (0-31.5mm), water, and chemical admixtures, delivering high compressive strength in reinforced concrete frames and foundations.

Characteristic Compressive Strength (fck,cyl):20 - 50
Density (Normal Weight):2300 - 2450
Modulus of Elasticity (Ecm):30,000 - 37,000
STANDARDS: SR EN 206:2021 + A2:2021
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Structural MaterialsVERIFIED

Reinforcing Steel (Rebar / B500B / BST500S)

RO: Oțel Beton Fasonat (BST500S / B500B)

High-ductility ribbed carbon steel bars embedded in concrete to absorb tensile, shear, and seismic bending forces.

Characteristic Yield Strength (fyk):500
Tensile / Yield Strength Ratio (ft/fy):≥ 1.08 (Class B) / ≥ 1.15 (Class C)
Elongation at Maximum Force (Agt):≥ 5.0% (Class B) / ≥ 7.5% (Class C)
STANDARDS: SR EN 10080:2006
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Structural MaterialsVERIFIED

Structural Steel Sections (S275 / S355)

RO: Profile Metalice Structurale (S275 / S355)

Hot-rolled standardized steel profiles (HEA, HEB, IPE, UNP, RHS/SHS) providing exceptional strength-to-weight ratio for long spans and industrial frames.

Nominal Yield Strength (fy for t ≤ 16mm):275 / 355
Ultimate Tensile Strength (fu):430 - 630
Modulus of Elasticity (E):210,000
STANDARDS: SR EN 10025-2:2019
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Structural MaterialsVERIFIED

Cross-Laminated Timber (CLT)

RO: Lemn Lamelat Încrucișat (CLT)

Engineered solid wood panel product manufactured by gluing orthogonal layers of structural timber boards, offering high rigidity and carbon sequestration.

Bending Strength (fm,k):24
Modulus of Elasticity (E0,mean):11,000 - 12,000
Density (Mean):450 - 500
STANDARDS: SR EN 16351:2021
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Masonry & WallingVERIFIED

Ceramic Hollow Blocks (Porotherm / Brikston)

RO: Blocuri Ceramice cu Goluri Verticale

Fired clay masonry units with vertical perforations and tongue-and-groove interlocking profiles for exterior structural and infill envelope walls.

Normalized Compressive Strength (fb):10.0 - 15.0
Gross Dry Density:750 - 850
Equivalent Thermal Conductivity (λ10,dry):0.14 - 0.20
STANDARDS: SR EN 771-1:2015
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Masonry & WallingVERIFIED

Autoclaved Aerated Concrete (AAC / BCA)

RO: Beton Celular Autoclavizat (BCA)

Precast lightweight cellular masonry material produced by autoclaving a mix of quartz sand, cement, lime, water, and aluminum foaming agent.

Normalized Compressive Strength (fb):2.5 - 5.0
Dry Bulk Density:400 - 550
Thermal Conductivity (λ10,dry):0.09 - 0.12
STANDARDS: SR EN 771-4:2015
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Thermal & Acoustic InsulationVERIFIED

Expanded Polystyrene (EPS / Graphite EPS)

RO: Polistiren Expandat (EPS / EPS Grafitat)

Rigid cellular plastic insulation material manufactured from expanded polystyrene beads containing 98% trapped air or infrared-reflecting graphite.

Thermal Conductivity (λD - White EPS):0.038 - 0.040
Thermal Conductivity (λD - Graphite EPS):0.030 - 0.032
Compressive Stress at 10% Deformation (CS(10)):≥ 80 (EPS 80) / ≥ 100 (EPS 100)
STANDARDS: SR EN 13163:2015
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Thermal & Acoustic InsulationVERIFIED

Extruded Polystyrene (XPS)

RO: Polistiren Extrudat (XPS)

High-density rigid foam insulation with 100% closed-cell structure delivering exceptional compressive strength and near-zero water absorption.

Thermal Conductivity (λD):0.033 - 0.036
Compressive Stress at 10% Strain (CS(10/Y)):300 - 700
Long-Term Water Absorption by Total Immersion (WL(T)):≤ 0.7
STANDARDS: SR EN 13164:2015
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Thermal & Acoustic InsulationVERIFIED

Rock Mineral Wool Insulation

RO: Vată Minerală Bazaltică

Non-combustible stone wool insulation produced from volcanic basalt rock, delivering Class A1 fire protection, thermal insulation, and sound absorption.

Thermal Conductivity (λD):0.034 - 0.038
Reaction to Fire:Class A1 (Non-combustible)
Melting Point Temperature:> 1000
STANDARDS: SR EN 13162:2015
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Waterproofing & ProtectionVERIFIED

Polymer-Modified Bituminous Membranes (SBS / APP)

RO: Membrane Bituminoase Modificate (SBS / APP)

Heavy-duty waterproofing sheets modified with SBS elastomers or APP plastomers with non-woven polyester or fiberglass reinforcement.

Tensile Strength (Longitudinal / Transverse):800 / 600 - 1000 / 800
Elongation at Break:40 - 50
Cold Flexibility Temperature (SBS):-20 to -25
STANDARDS: SR EN 13707:2014
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Waterproofing & ProtectionVERIFIED

Synthetic Waterproofing Membranes (PVC-P / TPO / FPO)

RO: Membrane Sintetice Hidroizolante (PVC / TPO)

Single-ply thermoplastic waterproofing sheets hot-air welded at seams, delivering high elasticity, root resistance, and solar reflectivity.

Tensile Strength (Reinforced):≥ 1000 - 1100
Elongation at Break:≥ 15 - 20
Cold Flexibility:≤ -30 to -40
STANDARDS: SR EN 13956:2013
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Facade Systems & EnvelopesVERIFIED

Aluminium Curtain Wall & Unitized Facade Systems

RO: Fațade Cortină din Aluminiu și Sticlă

Non-structural exterior building envelope system hung from floor slabs, comprising extruded aluminium mullions/transoms and insulated glass units.

Air Permeability:Class AE (up to 600 Pa)
Watertightness under Dynamic Pressure:Class RE 1200 (1200 Pa)
Resistance to Wind Load:2400 Pa design / 3600 Pa safety
STANDARDS: SR EN 13830:2015
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Windows, Doors & Architectural GlassVERIFIED

Triple-Pane Insulated Glazing Units (Low-E & Solar Control)

RO: Geam Termoizolant Tripan cu Emisie Redusă (Low-E)

Hermetically sealed multi-pane glass assembly filled with 90% Argon gas and microscopic metallic Low-E coatings, delivering low U-values for nZEB compliance.

Center-of-Glass Thermal Transmittance (Ug):0.50 - 0.60
Light Transmittance (Tv):65 - 74
Solar Factor (g-value):0.35 - 0.50
STANDARDS: SR EN 1279-1:2018
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Infrastructure & Earthworks MaterialsVERIFIED

Asphalt Concrete & Road Bituminous Mixtures (BA16 / MAS16)

RO: Mixturi Asfaltice Rutiere (BA16 / MAS16)

Engineered blend of graded mineral aggregates, filler, and road bitumen placed hot and compacted to create durable, rut-resistant flexible pavements.

Marshall Stability at 60°C (S):≥ 8.0 - 11.0
Air Voids Content (Vm):3.0 - 5.0 (Wearing) / 5.0 - 8.0 (Base)
Wheel Tracking Rutting Rate (WTSair):≤ 0.08 - 0.10
STANDARDS: SR EN 13108-1:2016
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