Cấu tạo của mái vòm tôn
Mái tôn vòm được cấu thành từ 3 bộ phận chính là hệ thống khung, hệ thống ốc vít, hệ thống kèo và tôn lợp.
- Hệ thống khung: đây là phần chịu trọng tải lớn nhất được cấu thành từ sắt hộp và ống sắt. Kích thước phần khung tùy thuộc vào diện tích và mặt bằng của công trình cần lợp.
- Hệ thống kèo và tôn lợp: tùy vào diện tích cần che chắn để tạo hệ thống kèo mái phù hợp.và tùy thuộc vào vị trí lắp mái để chọn loại tôn phù hợp.
- Hệ thống ốc vít: chọn vít có độ bền tương đương với mái tôn. Khi tiến hành lợp tôn nên sử dụng keo silicone kết dính để hệ thống chống chịu được mưa bão, tăng khả năng chống rỉ sét cho đinh vít và mái tôn.
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