Which certifications do DERCHI entry doors hold for export projects?

Our door systems are produced under an ISO 9001 quality system and have been tested for CE marking, AS2047 N6 (Australian wind, water and air performance), plus UL-referenced fire-rated constructions for pivot and commercial lobby doors. Test reports and certificates are released with the quotation package so your local building inspector can verify compliance before installation.

What is the maximum size for a single pivot entry door leaf?

Standard production covers leaves up to 1,600 mm wide and 3,200 mm high. For oversized villa gates and hotel lobby entrances we engineer leaves up to 2,000 mm x 4,000 mm using reinforced steel-core frames, heavy-duty floor pivots rated to 500 kg and multi-point hardware to control long-term deflection.

What is the typical lead time and MOQ for a custom entry door order?

Sampling takes 12-18 days. Bulk production is normally 25-35 days after drawing approval and deposit, depending on finish (powder coating, wood-grain transfer or PVDF). There is no fixed container MOQ for project orders; single-unit sample doors are accepted for showroom and testing purposes.

How are doors packed and protected for ocean freight?

Each leaf is wrapped in protective film, corner-guarded with EPE foam, sealed in a five-layer carton and fixed inside a fumigation-free plywood crate. Hardware and glazing beads are boxed separately and labelled per opening number, which keeps site sorting fast and reduces transit damage claims to below 0.3% of shipped units.

Do you provide CAD or BIM files and installation support?

Yes. Our in-house engineering team issues free CAD shop drawings, section details and BIM-ready blocks that match your door schedule, followed by installation manuals, torque and anchoring specifications and video-call guidance for the first openings on site.

Custom Custom High Security Explosion Proof Door | Luxury Cast Aluminum Double Doors Supplier, Factories

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Custom Custom High Security Explosion Proof Door | Luxury Cast Aluminum Double Doors Supplier, Factories

The all-new upgraded Security Explosion Proof Cast Aluminum Double Door combines "next-generation blast resistance technology + cast aluminum double-door design" to inaugurate a new aesthetic era for explosion-proof doors. Bidding farewell to the bulky, industrial appearance of traditional blast doors, this new product conceals professional-grade explosion resistance beneath the elegant form of exquisite cast aluminum double doors. The commanding presence of twin opening panels paired with the latest blast-absorption technology provides high-security venues with a brand-new choice that is both safe and beautiful — transforming explosion-proof doors from cold security equipment into architectural art statements.

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Product Description

Material & Craftsmanship

New-Type Cast Aluminum Blast Panel: Formulated with the latest high-toughness cast aluminum alloy — no shattering or fragmentation under blast impact, effectively preventing secondary injuries while maintaining exquisite relief appearance.

Double-Door Independent Blast Framework: Each door panel contains an independent blast-resistant skeleton structure — under explosion impact, both panels bear pressure independently without mutual interference, preventing cascading failure.

Upgraded Aluminum Honeycomb Energy-Absorption Layer: Enhanced aviation-grade aluminum honeycomb with 30% increased wall thickness and 40% improved energy absorption efficiency — achieving stronger shockwave attenuation within limited thickness.

Fluorocarbon Blast-Specific Coating: New elastic fluorocarbon formula with micro-elastic film properties — no cracking or peeling during impact deformation, door surface maintains intact appearance even after blast events.

Bronzed Copper Double-Door Symmetrical Craft: Both panels undergo copper rendering in the same batch ensuring perfectly matched colour; new impact-resistant bronze coating maintains copper texture even after blast testing.

304 Stainless Steel Blast-Proof Door Sill: Reinforced thick design with bottom blast-seal strip added, preventing shockwave infiltration through the gap beneath the door.

New Security Explosion Proof Cast Aluminum Door Double Aluminum Door

Product Specifications

Parameter	Details
Product Material	Cast Aluminum / Aluminum Alloy (New-Type Explosion-Proof Composite Structure)
Standard Size	2050×860mm (80.7"×33.86") / 2050×960mm (80.7"×37.80") / 2050×1200mm (80.7"×47.24")
Door Leaf Thickness	90mm (3.54") / 100mm (3.93")
Aluminum Plate Thickness	2mm – 20.0mm
Infilling Material	Aluminum Honeycomb
Surface Finish	Fluorocarbon Paint / Bronzed Copper Paint
Open Direction	Inward/Outward, Left/Right
Door Sill	304 Stainless Steel
Hinges	Visible Hinges
Lock System	Mechanical Lock / Automatic Lock
Handle	Zinc Alloy Handle / Stainless Steel Handle

Product Advantages

Next-Generation Blast Technology

Upgraded aluminum honeycomb energy-absorption layer with 40% improved shockwave attenuation efficiency
High-toughness cast aluminum panels resist shattering and fragmentation after explosion — eliminating secondary injuries
Double-door independent blast framework design — damage to one panel does not compromise the other's protective function

Cast Aluminum Double-Door New Aesthetic Standard

Breaking the industrial appearance of traditional blast doors — redefining explosion-proof door aesthetics in luxury cast aluminum double-door form
Symmetrical relief design on both panels: a complete artwork when closed, a welcoming gesture when open — combining security with ceremony
Multiple new pattern designs: Modern Geometric, Neoclassical, Abstract Art, Oriental Zen

Comprehensive Multi-Dimensional Protection

Blast-proof: New energy-absorption structure effectively resisting explosion shockwaves
Bulletproof: Cast aluminum + core composite structure providing ballistic protection capability
Anti-pry: Double-door center-seam lock + top-bottom lock + multi-point locking — no weak points
Fire-resistant: Aluminum honeycomb + cast aluminum materials inherently offering excellent fire resistance

Double-Door Exclusive Security Design

Double-door center seam features blast-resistant interlocking structure — shockwaves cannot breach through the center gap
Left and right panels with independent locking systems — single or double opening for flexible scenario adaptation
Double-door synchronized closing mechanism — rapid dual-panel closure in emergencies forming complete protection

New Technology Environmental Adaptation

New cast aluminum alloy formula withstands temperatures up to 300°C — maintaining structural integrity under combined fire + explosion compound disasters
Elastic fluorocarbon film adapts to -40°C to +80°C temperature range — deployable in extreme cold and extreme heat environments
Cast aluminum panels resist corrosion and salt spray — worry-free long-term use in coastal areas, chemical zones, and other special environments

Application Scenarios

Chemical Plants / Petroleum Facilities: First-choice blast-proof entry door for flammable and explosive environments.

Military Bases / Ammunition Depots: Double-door wide-passage design facilitates equipment and material movement while blast performance guards core zones.

Government Buildings / Data Centers: New aesthetically pleasing blast doors integrating into office environments — security without visual intrusion.

Banks / Financial Institutions: Double-door commanding appearance + blast-proof and bulletproof performance — security and image combined.

Embassies / Diplomatic Institutions: High-grade blast resistance + luxury appearance meeting diplomatic venue standards.

Premium Villas / Private Residences: New cast aluminum double-door design brings blast protection into homes — security without sacrificing beauty.

Metro Stations / Public Buildings: Double-door high-traffic flow + blast safety — a new solution for public security.

Why Choose Us

Next-generation blast-proof cast aluminum door patented technology with industry-leading energy absorption efficiency.

Exclusive double-door blast-resistant interlocking center-seam design — zero blind spots in protection.

High-toughness cast aluminum alloy new formula — no shattering or fragmentation after blast.

Elastic fluorocarbon film technology — door surface appearance remains intact after explosion impact.

Double-door symmetrical precision ±1mm, colour deviation ΔE≤1.

OEM/ODM service available, exporting to Middle East, Europe, Southeast Asia, Africa, and global markets.

Installation & After-sales

Installation Process

Blast-resistance level requirement assessment → On-site door opening measurement + wall load-bearing inspection → Double-door scheme design confirmation → Factory custom production (25-35 days) → Blast-specific packaging & transport → Professional blast-door installation team construction → Double-door alignment calibration + center-seam interlocking test → Lock linkage & blast-seal acceptance → Handover for use.

Warranty Coverage

Door blast-resistant structure lifetime warranty; Cast aluminum panels 10-year warranty; Surface finish 5-year warranty; Lock system 5-year warranty; Hinges 5-year warranty; Hardware accessories 3-year warranty.

Maintenance Tips

Monthly visual inspection of door surface and center-seam interlocking status; wipe cast aluminum panels quarterly with neutral cleaner; lubricate hinges quarterly; inspect and replace blast-seal strips annually; professional lock system maintenance every 6 months.

Frequently Asked Questions (FAQ)

What core materials make this explosion-proof door resistant to blast impact?

The door is constructed using a high-toughness cast aluminum blast panel, an upgraded aviation-grade aluminum honeycomb energy-absorption layer, double-door independent blast frameworks, and a 304 stainless steel blast-proof door sill with bottom blast-seal strips.

What standard dimensions and thicknesses are available?

Standard sizes include 2050×860mm (80.7"×33.86"), 2050×960mm (80.7"×37.80"), and 2050×1200mm (80.7"×47.24"). Door leaf thickness comes in 90mm (3.54") or 100mm (3.93"), with aluminum plate thickness ranging between 2mm and 20.0mm.

What protective features are integrated beyond blast resistance?

In addition to explosion mitigation, this cast aluminum door provides bulletproof capability through its composite structure, anti-pry protection via multi-point locking and interlocking center seams, and natural fire resistance.

What environments and facilities are suitable for installation?

It is suitable for chemical plants, petroleum facilities, military bases, ammunition depots, government buildings, data centers, banks, diplomatic embassies, luxury private villas, and public transit stations.

What warranty terms are included with the product?

We provide a lifetime warranty on the blast-resistant door structure, a 10-year warranty for cast aluminum panels, a 5-year warranty for surface finishes, lock systems, and hinges, and a 3-year warranty for hardware accessories.

What maintenance routine is recommended for long-term safety?

Inspect the door surface and center seam monthly, clean panels with neutral cleaner quarterly, lubricate hinges quarterly, check/replace blast seals annually, and perform professional lock maintenance every 6 months.

Custom Custom High Security Explosion Proof Door | Luxury Cast Aluminum Double Doors Supplier, Factories

Product Description

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