Windows and doors should not have any noticeable scratches, dents, or other defects on their surfaces.

The coloring surface of adjacent rod components of doors and windows should not have any noticeable color variation.

The surface of doors and windows should be free from aluminum shavings, burrs, oil stains, or any other blemishes. Assembly joints should not have excessive adhesive溢出.

Types and Specifications of Aluminum Alloy Doors and Windows

1) Aluminum alloy door and window products

Table 2-71 Aluminum Alloy Door Product Code

Sliding Aluminum Alloy Windows, Sliding Aluminum Alloy Doors, Hinged Aluminum Alloy Windows, Hinged Aluminum Alloy Doors

With ruffle fan / Without ruffle fan / With ruffle fan / Without ruffle fan / With ruffle fan / Without ruffle fan / With ruffle fan / Without ruffle fan

Code: PLC, APLC, PLM, SPLM, TLC, ATLC, TLM, STLM

Note: The content for flush aluminum alloy windows also applies to sliding sash casement windows (HPLC), fixed windows (GLC), top hung windows (SLC), bottom hung windows (XLC), center hung windows (CLC), and vertical pivot windows (LLC).

2) Specifications and dimensions.

3) Aluminum alloy windows and doors are categorized based on three performance indicators: wind pressure resistance, air permeability (air tightness), and water penetration (water tightness), dividing them into three categories: A (high-performance windows and doors), B (medium-performance windows and doors), and C (low-performance windows and doors). They are further divided into four levels based on air sound insulation performance, with 2 sdB being classified as sound-insulating windows and doors. Insulation performance (heat insulation performance) is categorized into three grades, with a thermal conductivity value of 0.25 m²K/W qualifying as insulation windows and doors. Surface treatment methods for aluminum alloy windows and doors include anodizing and anodized coating, as well as composite film coating methods.

Aluminum alloy door and window product marking rules: When selecting aluminum alloy doors and windows, first choose the appropriate door and window based on the size of the room. Select the appropriate door and window type according to the usage requirements. Next, determine the various performance requirements of the doors and windows based on their usage location (e.g., interior doors, exterior doors), such as windows and sliding doors requiring certain thermal insulation, sound insulation, water-tightness, and airtightness. Users can choose the suitable door and window frame color according to their preferences and the matching with other decorative elements.