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		<h1>- QUY TRÌNH THI CÔNG CHỐNG THẤM VẾT NỨT MÁI VÀ SÀN VỆ SINH</h1>
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			Quy trình thi công chống thấm vết nứt mái và sàn vệ sinh: Sử dụng sản phấm sikaproof membranne+ sika latex( sika latex th):<br />Thi công màng chống thấm dạng lỏng gốc bitum polyme cải tiến với lớp vữa trát xi măng cho sàn mái không có tấm cách nhiệt ở bên trên.
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			<p>Vết nứt mái<br /><img alt="chống thấm vết nứt mái" height="339" loading="lazy" sizes="(max-width: 452px) 100vw, 452px" src="https://vatlieuchongtham.net/uploads/news/2021_07/anh-nut-300x225.jpg" srcset="https://chongthamnguoc.net/wp-content/uploads/2014/09/anh-nut-300x225.jpg 300w, https://chongthamnguoc.net/wp-content/uploads/2014/09/anh-nut.jpg 430w" width="452" /></p><p>Vết nứt sàn</p><p><img alt="chống thấm vết nứt mái" height="253" loading="lazy" sizes="(max-width: 457px) 100vw, 457px" src="https://vatlieuchongtham.net/uploads/news/2021_07/hamthuthiem_21.12.2012.5-3ced3-300x166.jpg" srcset="https://chongthamnguoc.net/wp-content/uploads/2014/09/hamthuthiem_21.12.2012.5-3ced3-300x166.jpg 300w, https://chongthamnguoc.net/wp-content/uploads/2014/09/hamthuthiem_21.12.2012.5-3ced3.jpg 448w" width="457" /></p><p><strong>Xử lý chống thấm vết nứt mái</strong></p><p><img alt="chống thấm mái sàn" height="169" loading="lazy" sizes="(max-width: 453px) 100vw, 453px" src="https://vatlieuchongtham.net/uploads/news/2021_07/torch_on_membrane1-300x112.jpg" srcset="https://chongthamnguoc.net/wp-content/uploads/2014/09/torch_on_membrane1-300x112.jpg 300w, https://chongthamnguoc.net/wp-content/uploads/2014/09/torch_on_membrane1.jpg 846w" width="453" /></p><p>&nbsp;</p><p>1. Chuẩn bị bề mặt&nbsp;<strong>chống thấm trần</strong></p><p>– Băm, đục sạch các lớp hồ vữa trát hoàn thiện, sơn bả….</p><p>– Dọn vệ sinh sạch sẽ bụi đất trên toàn bộ bề mặt cần xử lý chống thấm bằng chổi, cọ quét hay máy thổi cầm tay hay máy hút bụi công nghiệp.</p><p>2. Quy trình thi công&nbsp;<strong>chống thấm vết nứt mái sàn</strong></p><p>– Xử lý gia cố chống thấm cho các lỗ rỗng của gạch, hốc bọng, đường nứt, hốc râu thép, lỗ giáo… trên tường bằng hồ dầu Sika Latex/ Sika Latex TH + xi măng cát vàng.</p><p>Sau khi lớp trám vá đã khô ta tiến hành thi công chống thấm, quét hoặc phun theo quy trình cụ thể sau :</p><p><strong>Chống thấm mái sàn bằng sản phẩm thấm thấu kết tinh gốc xi măng</strong></p><p>Bước 1: Bão hòa nước</p><p>– Trước khi thi công các sản phẩm dạng quét chúng ta nên bão hòa nước để tránh bề mặt tường háo nước dẫn đến tình trạng vật liệu chống thấm sẽ không thấm sau để tạo liên kết</p><p>Bước 2:&nbsp;Thi công&nbsp;<strong>chống thấm vết nứt mái</strong></p><p>– Tùy thuộc vào mỗi loại sản phẩm chúng ta nên thi công 2 hoạc 3 lớp để đảm bảo phủ kín bề mặt cần chống thấm.</p><p>– Thi công các lớp chống thấm vuông góc nhau theo chiều từ trên xuống dưới, lớp sau được quét sau khi lớp trước khô mặt (khoảng 2 – 24h, tùy nhiệt độ ngoài trời cũng như tùy loại sản phẩm dùng).</p><p>– Độ dày trung bình của mỗi lớp là 1mm. Liều lượng sử dụng cho mỗi lớp là 1 – 1,5kg</p><p>– Nên chia lượng vật liệu trộn thành nhiều thùng nhỏ cho nhiều người thi công ứng dụng cùng một lúc.</p><p>Bước 3:&nbsp;Những điểm cần chú ý</p><p>– Với các sản phẩm gốc xi măng nên cần có yêu cầu bảo dưỡng tốt để đảm bảo vật liệu được ninh kết hết và tạo được sự kết dính tốt với bề mặt cần chống thấm cũng như tạo được lớp màng đặc chắc.</p><p>– Không nên trộn vật liệu quá nhiều cùng một lúc để tránh việc thi công không kịp</p><p>– Khi cần sơn hoàn thiện bề mặt thì nên phủ thêm lớp vữa bảo vệ (xi măng + cát + Sika Latex/ Sika Latex TH) lên bề mặt lớp chống thấm.</p>
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