Roof cladding roofing roof-covering can be supported to increase its rigidity. Roof cladding can particleboard with sawn timber, plywood or oriented. The following table lists the approximate initial planning requirements for spacing and material thickness. Specific size should be adjusted according to the actual situation of the snow load. Typical cross rafters or truss spacing and thickness of the roof cladding cladding material cross rafters or roof trusses spaced a minimum material thickness mmin.mmin. Sawn 3,001,217.511 / 164001617.511 / 1,650,019.2193 / 460024193/4 plywood edge with a support 300,127.59 / 32,400,167.59 / 3250019.29.53 /8600249.53/8 edge unsupported 300,127.59 / 32,400,169.53 / 850019.29.53 / 86,002,412.51 / 2 OSB edge of a support 300,129.53 / 8400169.53 / 850019.211.17 / 166,002,411.17 / 16 edge unsupported 300,127.59 / 324,001,611.17 / 1650019.212.71. / 26,002,412.71 / 2 Remarks : coating thickness and spacing with the actual support of building codes vary. This information is only a general reference standard Yichang wooden villa, please refer to the actual building codes specific cladding sawn joists or rafters should be vertical, and each side edge of the joists supporting Jie staggered. Sawn timber cladding shall continue until the asphalt shingles and wooden ceiling Yichang villa cost, but the spacing should and shingle roof tiles in the same size. Separated tiles so that air can circulate freely under the cladding, waterproof gas build-up. 1, the assembly of the whole building should be designed to meet the requirements of the current national standards of various types of building design standards and related requirements of fire, water, energy, noise, seismic and security, to meet applicable, economic, aesthetic design principles. At the same time should meet the requirements of industrialization and construction of green buildings. 2, the assembly of the whole building should be designed to achieve the basic unit, connecting structure, components, accessories and equipment standardization and serialization pipeline wooden villa, using small size, the principle of a combination of architectural forms of portfolio diversification. 3, the assembly monolithic architectural design chosen types of specifications and types of prefabricated components, fittings, interior systems and equipment such as piping systems shall comply with construction standards and build functional requirements, and the flexibility to adapt to the main function of the building space variability. 4, there are seismic design requirements for the assembly of the whole building, size of the building, layout and structure should be consistent with the principles of seismic design. Yichang wooden villas, huts Wood Yue Ding (certified), wooden villa provided by Hubei Yue Ding huts Wood limited liability company. Hubei Yue Ding huts Wood limited liability company (www.hbsfmw.com) is Xiaogan, wooden handicrafts leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ding Yue wood huts in leadership with the staff warmly welcome all inquiries negotiations to create Yue Ding huts Wood a better future.