Metal doors and windows, including various series of aluminum alloy doors and windows, metal soundproof doors, stainless steel and titanium plated doors and metal package door installation projects, acceptance should pay attention to the following aspects.

(1) Guarantee items

The varieties, specifications, and quality of metal doors and windows, soundproof doors, and their accessories and glass must meet the design requirements and the current national standards.

The position of the metal doors and windows, the position of the soundproof door, the direction of the opening and the soundproof door must meet the design requirements.

Inspection methods: observation, test and inspection.

Metal window frames must be securely installed. The number, location, method of embedment, and corrosion protection of pre-embedded parts must meet design requirements.

Corrosion prevention shall be done between the aluminum alloy doors and windows and the non-stainless steel fastener contact surface. The soundproof door seal is installed in the correct position and the fan frame is tightly closed.

Inspection methods: Observe and inspect the hidden project records.

(2) Basic items

Metal window sash installation should meet the following requirements.

Swing door and window sash:

Qualified: Closely closed, substantially uniform gap, and flexible switching.

Excellent: Closely closed, uniform gap, and flexible switch.

Sliding doors and windows:

Qualified: closed and tight, the gap is basically uniform, the amount of overlap between the fan and the box is not less than 80% of the design requirement, and the pushing and pulling is flexible.

Excellent: Closely closed, evenly spaced, the amount of overlap between the fan and the box meets the design requirements, pushing and pulling is flexible.

Spring door leaf

Qualified: automatic positioning is accurate, the opening angle is 90 degrees plus or minus 3 degrees, and the closing time is within 6-10 seconds.

Excellent: automatic position accuracy, opening angle of 90 degrees plus or minus 1.5 degrees, closing time in the range of 6 to 10 seconds.

Metal door and window accessory installation should meet the following requirements:

Qualified: The accessories are complete, the installation position is correct and firm, flexible and applicable, reaching their respective functions.

Excellent: The accessories are complete, the installation position is correct and firm, flexible and applicable, to achieve their respective functions, good-looking appearance without pollution, sound insulation function should reach the sound insulation index.

The quality of gap filling between metal window frames and walls shall comply with the following provisions:

Qualified: fill full, fill material meets design requirements.

Excellent: Full and dense filling, smooth and smooth surface, no cracks, stuffing materials and methods meet the design requirements.

The appearance quality of metal doors and windows should meet the following requirements:

Qualified: clean surface, uniform color, no scratches, bumps, rust free edges, fly burrs, corrosion marks, and other stains. The gluing surface is smooth and free of bubbles.

Excellent: clean surface, uniform color, seamless seam joint, no scratches, bumps, no rust, no flash, burrs, corrosion marks and other stains, smooth surface coating, uniform thickness, uniform thickness No bubbles.

Aluminum shutter doors and windows should meet the following requirements.

Qualified: Satisfy the windproof function; no damage to the surface, uniform color, correct dimensions and specifications, flexible switch; hardware components are fully assembled and firm.

Excellent: Satisfy the windproof function; the surface is clean without damage, no scratches, the same color; the size specification meets the design requirements, the switch is flexible; the hardware components are fully assembled and firm, beautiful.

Inspection method: Observe and inspect, open and close the door and window sash to open and close the inspection, push and pull the door and window sash to check with the depth ruler, and check the spring door leaf with stopwatch and angle ruler.

Door and window acceptance window switch aluminum alloy stainless steel glass shutter window glass sliding door glass door

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