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4. What could be causing the aluminum panel exterior wall to leak during rainy weather? How can it be repaired?
Release time:
2025-11-04
Core causes: ① Aging or cracking of the sealant in the joints, or improper application (e.g., the sealant strip is not compacted, leaving gaps); ② Lack of waterproofing reinforcement at corners, window sills, and other joints. Repair methods: ① Remove the aged sealant and reapply weather-resistant silicone sealant (compliant with GB/T 14683 standard), ensuring the sealant joints are full and free of air bubbles; ② Apply waterproof membrane to corners, and slope the window sills outwards (slope ≥ 5°) to prevent water accumulation.
Core causes: ① Aging or cracking of the sealant in the joints, or improper application (e.g., the sealant strip is not compacted, leaving gaps); ② Lack of waterproofing reinforcement at corners, window sills, and other joints.
Repair methods: ① Remove the aged sealant and reapply weather-resistant silicone sealant (compliant with GB/T 14683 standard), ensuring the sealant joints are full and free of air bubbles; ② Apply waterproof membrane to corners, and slope the window sills outwards (slope ≥ 5°) to prevent water accumulation.
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