The categorization of PVC profiles primarily relies on three dimensions: application scenarios, functional requirements, and structural design. Different classifications correspond to distinct product positioning and usage contexts. Below are the mainstream classifications and detailed descriptions, covering core sectors such as construction, industry, and public welfare:
Classification by Architectural Windows and Doors Applications
Architectural windows and doors represent the core application area for PVC profiles. Designs focus on thermal insulation, sealing, and structural strength, primarily categorized as:
1. Standard Non-Thermal (Single/Double Chamber) PVC Profiles
Structural Features: Few chambers (1-2), no dedicated thermal break design, single-material PVC construction, lower cost.
Applications: Low-rise residential buildings, temporary structures, factories/warehouses with minimal thermal insulation requirements. Common in basic windows/doors for warm climates.
Structural Features: Combines “PVC profiles + nylon thermal break strips” to divide the profile into indoor and outdoor sections, blocking heat transfer. Features multiple cavities (3-5), with some incorporating reinforcing ribs to enhance wind pressure resistance.
Suitable For: Mid-to-high-end residential buildings, commercial structures, and luxury apartments. Currently the mainstream choice for new construction projects.
3. System-Specific PVC Profiles for Windows and Doors
Structural Features: Manufactured to “system design” standards, ensuring precise compatibility between profile cavities and hardware. Includes dedicated drainage chambers, sealing chambers, and hardware installation chambers. Some products integrate anti-theft reinforcement ribs or soundproofing foam channels.
Core Advantages: Significantly superior water tightness, air tightness, and wind pressure resistance compared to standard profiles. Standardized installation reduces long-term maintenance costs.
Suitable Scenarios: High-end residences, villas, office buildings, and other settings demanding stringent window/door performance, commonly found in rainy or typhoon-prone regions like East and South China.
2. Fire-Retardant PVC Profiles
Core Process: Incorporating flame retardants into PVC raw materials; some products feature fire-resistant surface coatings.
Suitable Scenarios: High-rise buildings, shopping malls, schools, subways, and other public structures with mandatory fire safety requirements, often paired with fire-resistant glass.
3. Anti-Aging/Weather-Resistant PVC Profiles
Core Process: Incorporates UV inhibitors and antioxidants. Surfaces feature co-extruded ASA resin layers, withstanding extreme temperatures, intense UV radiation, and high humidity for extended service life exceeding 20 years.
Applications: Outdoor doors/windows and sunroom frames in southern regions with high temperatures and humidity, northwestern areas with strong winds and sandstorms, and coastal zones with salt spray.
4. Colored/Decorative PVC Profiles
Co-extruded Colored Profiles: ASA or PMMA color layer co-extruded onto the surface, ensuring uniform color and fade resistance;
Laminated Colored Profiles: Surface coated with PVC decorative film, simulating wood grain, stone patterns, etc., with a visual effect close to solid wood or stone;
Spray-painted Colored Profiles: Achieving personalized colors through electrostatic spraying, meeting the aesthetic design requirements of high-end buildings.
Classification by Function and Additional Properties
These profiles incorporate specialized processes or structures on basic profiles to meet specific needs:
Core Design: Multi-chamber structure with internal sound insulation foam or a “hollow chamber + sealing gasket” combination. Some profiles feature thickened walls to reduce sound wave transmission.
Suitable Scenarios: Residential buildings facing busy streets, structures near airports/railways, hospital wards, and other locations demanding high noise control.
Applications: Exterior doors/windows for villas, commercial building curtain walls, interior door frames in high-end residential units, emphasizing aesthetics and customization.
Classification by Cross-Section Structure and Installation Method
Insert-Type Insulated Profiles: PVC profiles are manufactured first, then mechanically fitted with nylon thermal inserts into pre-molded channels. This mature, cost-effective process dominates over 80% of the insulated profile market.
Injection-sealed thermal break profiles: Liquid thermal sealant is injected into pre-reserved cavities within the profile, forming an insulating layer upon curing. This method offers superior sealing but carries higher costs, making it common in high-end system windows and doors.
Assembly-type profiles: Features built-in clips or mortise-and-tenon joints, enabling welding-free assembly. Suitable for temporary structures or rapid installation scenarios.
In summary, PVC profiles fundamentally emerge from the principle of “application requirements → structural/process adaptation.” Selection should integrate three core factors—usage environment, performance demands, and cost budget Contact info@gkbmgroup.com to choose the most suitable PVC profile for your needs.
Post time: Oct-17-2025
