Church glass
Category:
Home Decoration Glass
Craft Glass
Product Description
Church glass core bearing “ Religious dissemination, spatial decoration, and ambiance creation ” The three primary functions, centered on colored art glass and stained glass, must take into account the unique characteristics of church architectural elements—such as domes, windows and doors, altars, and corridors—while balancing artistic aesthetics, safety and durability, optimal light transmission, and religious symbolism. The following discussion is based on national standards ( GB/T 36266-2018 、 GB 15763.2 ）、religious building codes and Haibote glass manufacturing standards, offering ready-to-implement solutions tailored to specific scenarios, complete with detailed specifications, technical requirements, and installation guidelines, to meet the needs of churches of varying sizes—cathedrals, parish churches, and small chapels.
I. Core Positioning and General Specifications for Church Glass (Basic Requirements)
Church glass with “ Artistic expression + Security Protection ” With core components as the priority, tempered glass is preferred. / Laminated tempered glass substrate, combined with traditional techniques such as hand-painting, copper‑foil inlay, and high‑temperature melting; the color palette is dominated by religious symbolic hues—red, blue, purple, and gold—while the motifs predominantly depict biblical scenes, saintly figures, and religious symbols. The standard specifications must meet the following requirements, balancing timeless traditional charm with modern safety:
Key Metrics
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Specific parameters
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Explanation (relevant to the church setting)
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Base glass
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6-12mm Tempered glass / Laminated tempered glass ( 6+1.52PVB+6 ), must bring 3C Certification
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The church features a high ceiling and extensive glazing, with tempered glass offering excellent impact resistance. ≥30J , Laminated glass shatters without scattering and prevents falling, complying with safety standards for religious buildings.
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Color Craft
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High-temperature molten coloring (with the addition of metal oxides), traditional painted decoration, and copper foil inlay—color saturation. ≥85% , durable UV≥500h Non-fading
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Employing a metal-oxide coloring technique passed down from ancient Egypt, red (gold) / Pure copper), blue (cobalt), green (iron) / Chromium and other pigments are carefully matched to convey religious symbolism; they resist fading even under prolonged sun exposure, preserving the traditional texture.
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Pattern accuracy
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Pattern line accuracy ≤0.5mm , splicing seam ≤2mm (Copper foil splicing), figure / Symbol proportion error ≤1%
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Precisely reproduces the intricate details of religious motifs, preventing line distortion. The copper‑foil mosaic technique requires anti‑rust treatment to prevent oxidation and blackening in humid environments.
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Light transmittance
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Transmittance 30%-70% (Adjusts according to the scene), with no noticeable color shift, no bubbles, and no impurities.
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When light passes through, it creates iridescent halos, evoking a sacred atmosphere; this design ensures ample natural illumination while preventing harsh glare, perfectly complementing the church setting. “ Light is faith. ” The spatial concept
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Weather resistance
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Temperature-resistant -20℃~120℃ , resistant to acid and alkali corrosion, salt spray test 48h No rust (metal fittings)
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Suitable for church outdoor doors, windows, domes, and other applications, it withstands wind and rain as well as temperature fluctuations, ensuring a long service life. ≥20 Year, reducing subsequent maintenance costs
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Install and secure
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Stainless steel bracket (wall thickness ≥2mm ), leaded glass frame (traditional craftsmanship), neutral silicone structural adhesive, spacing ≤500mm
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Large panes of glass are joined with lead cames. + The steel structure features double anchoring, echoing traditional medieval craftsmanship while ensuring structural stability and resisting high wind loads. ≥12 Level, compliant with GB50210-2018 Specification requirements
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II. Core Application Scenarios and Parametric Solutions (Scenario-Specific Implementation)
Based on the functional zoning of the church—rituals, prayer, circulation, and decoration—the design is tailored to address each area’s specific needs, clearly defining glass types, fabrication techniques, technical specifications, and installation requirements, while balancing religious symbolism, aesthetic impact, and safety and durability.
Scene 1 : Altar glass (the core sacrificial area, of paramount importance)
Core requirements: Strong religious symbolism and a distinct artistic aesthetic; as an altar backdrop, it must convey a sense of sacredness while offering excellent light transmission to complement both indoor lighting and natural daylight. With a large glass surface area, structural integrity must be reinforced.
Project
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Specific parameters
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Reason for Selection (Tailored to the Altar Scene)
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Base glass
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10mm Ultra-white tempered glass +1.52PVB Laminated (total thickness 12mm ), ultra-white glass transmittance ≥91.5%
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Ultra-clear glass minimizes impurity interference, faithfully rendering the intricate details of painted designs; the laminated construction prevents breakage and falling, making it ideal for altars that demand high visibility and large dimensions, in compliance with… GB 15763.2 Safety standards
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Process Selection
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Traditional Painting + High-temperature molten coloring, copper foil edging and splicing, with a design featuring the image of a saint. / Core biblical narratives (such as the Virgin and Child and the Crucifixion)
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Inheriting the medieval art of illuminated manuscripts, this piece features richly saturated colors achieved through metal‑oxide pigments, with copper foil edging that enhances its tactile quality. The motifs convey core religious themes, aligning with the altar’s ceremonial purpose, while the copper foil has been treated for rust resistance to extend its lifespan.
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Color parameters
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Primary colors: gold (gold oxide), red (pure copper), blue (cobalt oxide); secondary colors: purple (manganese oxide), green (chromium oxide); color saturation ≥90% , durable UV 800h Non-fading
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Gold symbolizes the divine, red signifies sacrifice, and blue represents holiness—aligning with the symbolic meanings of religious hues. High‑temperature fusion coloring ensures lasting coloration; even under prolonged exposure to artificial lighting and sunlight, the colors remain unfaded, faithfully recreating the traditional aesthetic of church interiors.
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Size specifications
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Single-piece size ≤2000×3000mm , can be spliced (splicing gap ≤2mm ), total height 3000-5000mm , width 2000-3000mm (Custom-made to altar dimensions)
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Adapted to the altar’s background dimensions, with individual panel sizes carefully controlled to prevent excessive deformation caused by the glass’s own weight; joint gaps are uniform, preserving the integrity of the design and harmonizing with the church’s architectural proportions.
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Fixing method
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316 Stainless steel bracket (wall thickness 2.5mm ) + Neutral silicone structural adhesive (warranty) 15 Year), support spacing ≤400mm , reinforced with a traditional leaded frame
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316 Stainless steel is corrosion-resistant and well-suited for humid indoor environments (while avoiding moisture damage during ritual ceremonies). The lead‑glass frame adheres to traditional craftsmanship, with double‑locking fasteners that ensure structural stability and prevent glass from falling, in compliance with… GB50210-2018 Installation Specifications
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Matching lighting
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LED Warm light strip ( 3000K , power 10W/m ), concealed at the glass edge, with uniform light and no flicker.
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Warm lighting highlights a sacred atmosphere, while light filtering through stained glass creates colorful patterns, enhancing the ceremonial ambiance of the altar. Flicker-free operation helps prevent visual fatigue, making it perfectly suited to ritual settings.
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Installation and acceptance key points: The substrate must be smooth and level (tolerance… ≤1mm/m ), Glass handling employs vacuum suction cups, and vertical transport is used to prevent scratches; joints are fully sealed with sealant, free of air bubbles, and patterns are aligned with no misalignment; during acceptance inspection, verify pattern integrity and color uniformity, ensure there are no dark spots when the lighting is on, confirm that mounting brackets are securely fastened, and confirm compliance with the acceptance criteria for decorative work in religious buildings.
Scene 2 : Church door and window glass (entrance) / Side windows, balancing natural light and decorative appeal)
Core requirements: Balancing daylighting, decorative appeal, and security, the glass must offer excellent light transmission and weather resistance. The design should feature minimalist religious motifs—such as crosses, grapevines, and angels—suitable for outdoor settings while meeting stringent safety and anti-theft standards.
Project
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Specific parameters
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Reason for selection (aligned with window and door applications)
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Base glass
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8mm Tempered glass (single layer) /6+1.52PVB Laminated glass (double-glazed), light transmittance 50%-70%
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Single-layer tempered glass for side windows, balancing natural light and cost-effectiveness; double-layer laminated glass for the main entrance, offering shatter resistance, theft protection, and impact resistance. ≥35J , resistant to outdoor impacts, compliant with GB/T 36266-2018 Door and Window Glass Standards
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Process Selection
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High-temperature molten coloring + Micro‑embossed, with a minimalist religious‑symbol motif and no elaborate painted designs (to prevent fading from outdoor exposure); copper‑foil inlays can be used to create clean, simple lines.
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High‑temperature molten coloring offers excellent weather resistance, making it ideal for outdoor exposure to wind and sun. A subtle embossed texture enhances slip resistance, preventing glass from becoming slippery in wet conditions. The minimalist pattern conveys religious symbolism while reducing long‑term maintenance costs, and the copper‑foil‑spliced lines are clean and streamlined, perfectly complementing window and door décor.
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Color parameters
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Primary colors: pale blue (cobalt oxide), pale purple (manganese oxide), and transparent; color saturation. 70%-80% , durable UV 600h Non-fading and resistant to acid rain corrosion.
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Light shades do not obstruct natural light, ensuring ample indoor illumination while conveying a sense of religious sanctity. Resistant to acid rain and ultraviolet radiation, they are well-suited for outdoor doors and windows, preventing color fading that could compromise aesthetics and preserving the essence of traditional coloring techniques.
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Size specifications
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Side window: 800×1200mm-1200×1800mm (Single piece); Main entrance: 1500×2400mm-2000×3000mm (single piece), with precision ground and chamfered edges ( R≥3mm )
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Designed to fit standard church door and window dimensions, with each panel sized for easy handling and installation; precision‑ground chamfers eliminate sharp edges that could cause injury (ideal for areas frequented by worshippers), ensuring compliance with safety standards while reducing stress concentrations and minimizing the risk of spontaneous breakage.
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Fixing method
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Aluminum alloy window frame (wall thickness ≥1.4mm , electrophoretic anti-corrosion treatment) + Neutral weather-resistant sealant, paired with stainless steel hardware (hinges and locks), and the gap between the glass and the window frame. 5-8mm
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Aluminum alloy window frames offer corrosion resistance and weather durability, making them well-suited for outdoor environments; neutral-cure weatherproof sealant provides a watertight seal, preventing rainwater from penetrating the interior of the church; stainless steel hardware is highly durable with strong anti-theft performance, while carefully designed gaps help prevent glass breakage caused by thermal expansion and contraction, in compliance with… GB50210-2018 Sealing Requirements
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Anti-theft performance
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Laminated glass impact resistance ≥35J , can be fitted with a concealed anti-theft screen (stainless steel wire, diameter 1.2mm , spacing 100mm )
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An invisible anti-theft grille has been installed on the main entrance glass, preserving the aesthetic appeal while enhancing security, preventing malicious damage to the glass, and safeguarding the church’s property.
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Installation and acceptance key points: The window frame must be installed plumb (deviation…). ≤1mm/m ), the glass fits tightly against the window frame, and the sealant is free of bubbles and cracks; outdoor glass must be waterproofed, with an appropriate drainage slope. ≥1% , to prevent rainwater from pooling; during inspection, ensure the glass is free of scratches and has uniform coloration, that the hardware fittings operate smoothly, and that the anti-theft performance meets the required standards.
Scene 3 : Dome / Dome-side window glass (high-altitude area, emphasizing safety and lighting)
Core requirements: For high‑altitude installation, the structure must be robust and fall‑protection‑rated; it should offer excellent light transmission and a simple, elegant design (avoiding intricate patterns that would increase the glass’s self‑weight); it must exhibit exceptional weather resistance to withstand high‑altitude wind, rain, and temperature fluctuations, while simultaneously creating a transparent, sacred ambiance.
Project
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Specific parameters
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Reason for Selection (Tailored to Dome‑Type Environments)
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Base glass
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12mm Tempered glass +2.28SGP Laminated (three-layer: 8+1.52PVB+8 ), total thickness 19mm , impact-resistant ≥40J , the fall-protection performance complies with GB/T 38784-2020
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SGP Laminated strength is PVB of 5 It boasts exceptional impact resistance and fall‑protection performance, making it ideal for high‑altitude dome applications and preventing glass breakage and falling debris from causing injury. Its three‑layer structure enhances safety redundancy, effectively withstanding high‑altitude wind pressure and meeting suspended‑glass safety standards.
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Process Selection
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High-temperature molten coloring (light color) + Transparent glass拼接, minimalist geometric pattern / Small religious symbols, without intricate painted decoration, with a stain-resistant coating on the surface.
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The pale hue offers excellent light transmission, allowing natural daylight to filter through the dome and imbue the interior with a sacred ambiance. A minimalist pattern reduces the glass’s self‑weight, while an anti‑soiling coating facilitates high‑altitude cleaning, thereby lowering maintenance complexity. High‑temperature melt coloring ensures superior weather resistance, making it well suited to extreme high‑altitude conditions and carrying forward traditional coloring techniques.
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Color parameters
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Primary colors: transparent, pale gold (gold oxide), and pale blue (cobalt oxide); color saturation 60%-70% , temperature-resistant -30℃~150℃ , durable UV 1000h Non-fading
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The light‑colored material does not obstruct natural light, perfectly meeting the lighting needs of dome structures. With a wide temperature‑resistance range, it effectively handles extreme high‑altitude temperature fluctuations—whether from scorching summer sun or bitter winter cold—preventing glass from cracking due to thermal expansion and contraction. It also retains its color over time, ensuring the dome maintains its aesthetic appeal.
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Size specifications
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Single-piece size ≤1500×2000mm (Dome-side window), ≤1200×1500mm (At the top of the dome), curvature error ≤0.5mm/m (Arc-shaped dome)
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The individual panels are relatively small, reducing the difficulty of handling and installation at height while also lowering the glass’s self-weight to prevent excessive loading on the dome structure. The curved dome glass features precise curvature that conforms to the dome’s contour, ensuring airtight installation and meeting structural requirements.
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Fixing method
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316 Stainless steel back bolt + Steel structural frame, back bolt spacing ≤300mm , the structural adhesive shall be a neutral, weather-resistant sealant (with warranty) 20 year), reinforced with traditional lead cames
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The back bolts are securely fastened, and the steel frame boasts strong load-bearing capacity, making it well-suited to withstand high-altitude wind pressures (wind resistance). ≥12 Grade), neutral-cure weatherproof sealant provides waterproofing to prevent rainwater from penetrating the dome interior; the lead‑glazing frame adheres to traditional craftsmanship, balancing safety and aesthetics, in compliance with… GB50210-2018 High-Altitude Installation Standards
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Fall protection measures
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An invisible protective mesh (stainless steel, load-bearing) is installed beneath the glass. ≥100kg/ ㎡), the gap between the protective mesh and the glass 100-150mm
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Dual fall‑protection system: even if the glass breaks, the safety mesh will catch the fragments, preventing them from falling and injuring people, thereby ensuring the safety of worshippers inside the church and meeting the high‑altitude safety requirements for religious buildings.
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Installation and acceptance key points: The steel structural frame must undergo hot-dip galvanizing for corrosion protection, and its load-bearing capacity… ≥ Glass weight 1.5 times; precise back‑bolt positioning (tolerance ≤1mm ), glass installation is smooth and even (flatness ≤0.5mm/m ); During acceptance, verify the structural integrity and watertightness, ensure that the fall‑protection netting is properly installed, confirm that the glass is free of scratches and bubbles, and that its curvature conforms to the dome’s contour.
Scene 4 : Corridor / Confessional Booth Glass (Auxiliary Area, Emphasizing Privacy and Simplicity)
Core requirements: strong privacy, simple and understated design; the glass must be semi‑transparent to prevent external views from interfering—particularly in the confessional booth; the pattern should be minimalist, suitable for corridor circulation and functions such as confession and prayer; and it must balance durability with ease of use.
Project
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Specific parameters
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Reason for selection (aligned with the corridor) / Confessional scene)
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Base glass
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6mm/8mm Tempered glass with a frosted surface. / Yusha treatment, semi-translucency, light transmittance 30%-40%
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Matte / Frosted glass treatment enhances privacy and minimizes external visual intrusion—meeting the core requirement of a confessional booth. Tempered glass offers superior impact resistance, making it well-suited for corridor‑type circulation areas to prevent breakage from collisions, thereby complying with safety standards while maintaining a sleek, minimalist aesthetic.
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Process Selection
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Localized painted decoration (small religious motifs: crosses, prayer gestures), or solid-color high-temperature frit glazing (pale gray, pale blue), with no intricate patterns.
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The minimalist design seamlessly integrates with the auxiliary space, without overpowering the overall aesthetic. Selective painted accents convey religious symbolism, while a soft color palette paired with a frosted finish balances privacy and decorative appeal. High‑temperature fused coloring ensures durability and easy cleaning, making it well suited to the everyday needs of corridors and confessionals.
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Color parameters
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Main colors: light gray, pale blue (cobalt oxide), off-white; color saturation 50%-60% , highly stain-resistant and easy to clean
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The light, minimalist color scheme exudes understated elegance, harmonizing with the serene atmosphere of corridors and confessionals. Its stain‑resistant properties make daily cleaning effortless—preventing marks from congregants—and help reduce long‑term maintenance costs. With its soft, non‑glaring hue, it creates a comfortable environment for prayer and passage.
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Size specifications
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Corridor Glass: 600×1200mm-800×1800mm ; Confessional glass: 500×800mm-600×1000mm , edge fine grinding chamfering ( R≥2mm )
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Its compact, convenient size is perfectly suited to corridor and confessional spaces, making installation effortless. Precision‑ground chamfers eliminate sharp edges, ensuring compliance with safety standards, while harmonizing with the space’s proportions to preserve unobstructed circulation and functionality.
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Fixing method
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Aluminum alloy frame (wall thickness ≥1.2mm ) + Neutral silicone sealant; the confessional booth glass can be fitted with sliding hardware. 304 Stainless steel, smooth operation
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The aluminum alloy frame is lightweight and durable, making it well-suited for indoor environments; neutral silicone sealant ensures a secure seal, preventing moisture ingress; the sliding hardware is designed for easy use in confession booths, offering smooth operation without noise, thus meeting the quiet‑and‑serene requirements of such spaces, in compliance with… GB50210-2018 Installation Specifications
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Privacy Performance
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Matte surface haze ≥80% , with no light‑transmitting blind spots, making it impossible for outsiders to see indoor details.
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It meets the privacy requirements of confession booths while ensuring adequate natural light to prevent the space from becoming overly dim, balancing privacy with comfort and supporting the core functions of confession and prayer.
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Installation and acceptance checklist: Glass panels must be installed vertically and evenly, with the frosted side facing inward to prevent outdoor contamination; the confession room’s sliding glass doors should operate smoothly, without any sticking or jamming; during inspection, verify privacy—ensuring that the interior cannot be seen from outside—check for scratches on the glass, confirm that the seals are secure and free of looseness, and ensure compliance with the functional requirements of the auxiliary area.
III. General Construction and Acceptance Standards (to be implemented on the ground, tailored to church settings)
1. Standard Construction Process (Adapted to the Specificities of Church Architecture)
1. Detailed Design (confirming patterns, dimensions, and manufacturing processes; reviewing designs in light of religious symbolism) → 2. Glass processing (tempering) / Laminated + Coloring / Painted + Fine edge grinding, with melting temperature carefully controlled according to traditional manufacturing processes. → 3. On-site measurement verification (church buildings are often irregularly shaped, with errors… ≤1mm ) → 4. Base treatment (steel structure) / Window frame installation, including防腐 (anti-corrosion treatment) and leveling. → 5. High-altitude glass lifting (the dome glass is hoisted using a gantry crane equipped with a traction rope, under the supervision of a dedicated attendant) → 6. Glass installation and fixing (back bolt) / Bracket / Lead cames frame, sealed with sealant) → 7. Installation of protective measures (fall‑prevention nets, anti‑theft grilles) → 8. Cleaning and maintenance (to prevent damage to painted designs) → 9. Acceptance inspection (involving the head of the United Church, the construction contractor, and the supervising agency, with reviews of design, safety, and aesthetics) is conducted throughout in accordance with the principle of integrating the essence of medieval traditional craftsmanship with modern architectural standards.
2. Critical Control Point (Church Scene Focus)
- Pattern Review: All glass designs must be approved by the church’s designated official to ensure compliance with religious doctrine, free from deviations or inappropriate elements, and accurately depict the details of biblical narratives or religious symbols, in harmony with the church’s cultural ethos.
Processing stage: The high-temperature melting temperature is maintained at 600-700℃ (Painted craftsmanship), 1320℃ (Glass melting), preventing glass deformation and color fading; the laminating process ensures PVB/SGP The film is completely melted, with no bubbles and no delamination, and exhibits strong adhesion. ≥1.5 N/mm² , while preserving traditional glassmaking techniques and ensuring product quality; the cutting and polishing processes guarantee smooth edges free of chipping or burrs, meeting safety standards.
Project Manager: Manager Wei, 13533794186 Foreign Trade Export: Manager Cao, 13178822749
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China Guangdong Haibo Special Glass Technology Co., Ltd. Unified Social Credit Code: 91440101MA5AT33G12 Contact Numbers: General Manager Cao, 13178822749; General Manager Wei, 13533794186.