tailieunhanh - Guide for Sound Insulation in Wood Frame Construction Part 7

Những ước tính thu được từ đánh giá của một số hạn chế các mẫu vật được xây dựng với các sản phẩm cụ thể được xác định trong các mô tả. [Xem chi tiết bản vẽ] Sử dụng "phổ thông tương đương" có thể thay đổi kết quả. | Page 66 of 103 The Apparent-IIC between the side-by-side rooms can be improved by installing a floor topping over the basic OSB or plywood subfloor. Link to Corresponding Airborne Topping over the subfloor changes flanking transmission Various toppings Apparent-IIC depends on topping and wall surface See table below Finishing details at the junction depend on the topping Expected performance with each topping is listed in the table with a bare floor and with two added flooring finishes. No data are available for gypsum concrete toppings. Flooring Finish Bare Vinyl Carpet Floor Topping Apparent-IIC Impact 2 m from wall No topping basic subfloor 50 51 65 19 mm OSB stapled to subfloor 55 57 71 Note These estimates were obtained from evaluation of a limited set of specimens built with specific products that are identified in the descriptions. See detail drawings Using generic equivalents may change results. IRC RR-219 Guide for Sound Insulation in Wood Frame Construction March 2006 Page 67 of 103 With the joists parallel to the separating wall the improvement in Apparent-IIC due to adding toppings is similar to that with the joists perpendicular. Link to Corresponding Airborne Topping over the subfloor changes flanking transmission Various toppings Finishing details at the junction depend on the topping Apparent-IIC depends on topping and wall surface See table below Expected performance with each topping is listed in the table with a bare floor and with two added flooring finishes. No data are available for gypsum concrete toppings. Flooring Finish Bare Vinyl Carpet Floor Topping Apparent-IIC Impact 2 m from wall No topping basic subfloor 51 51 68 19 mm OSB stapled to subfloor 55 56 70 Note These estimates were obtained from evaluation of a limited set of specimens built with specific products that are identified in the descriptions. See detail drawings Using generic equivalents may change results. IRC RR-219 Guide for Sound Insulation in Wood Frame Construction March