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Scaffolding Scaffolding Materials The basic materials are tubes, couplers and boards. Tubes are either steel or aluminum. If steel they are either 'black' or galvanized. The tubes come in a variety of lengths and a standard diameter of 48.3 mm. (1.5 NPS pipe). The chief difference between the two types of tubes is the lower weight of aluminum tubes (1.7 kg/m as opposed to 4.4 kg/m) and also a greater flexibility and so less resistance to force. Tubes are generally bought in 6.3 m lengths and can then be cut down to certain typical sizes. Boards provide a working surface for users of the scaffold. They are seasoned wood and come in three thicknesses (38 mm (usual), 50 mm and 63 mm) are a standard width (225 mm) and are a maximum of 3.9 m long. The board ends are protected by metal plates called hoop irons or sometimes nail plates. As well as wood steel or aluminum decking is used or laminate boards. As well as boards for the working platform there are sole boards which are placed beneath the scaffolding if the surface is soft or otherwise suspect, although ordinary boards can be used, and meet the minimum requirements, they can be too long and tougher boards can be necessary. Couplers are the fittings which hold the tubes together The most common are called scaffold couplers, there are three basic types: right-angle couplers, putlog couplers and swivel couplers. To join tubes end-to-end joint pins (also called spigots) or sleeve couplers are used, or both together. Other common materials include base plates, ladders, ropes, anchor ties, reveal ties, gin wheels, sheeting, etc. Despite the metric measurements given many scaffolders measure tubes and boards in imperial units. With tubes from 21 feet down and boards from 13 ft down.  Foundations Good foundations are essential. Often scaffold frameworks will require more than simple base plates to safely carry and spread the load. Scaffolding can be used without base plates on concrete or similar hard surfaces, although base plates are always recommended. For surfaces like pavements or tarmac base plates are necessary. For softer or more doubtful surfaces sole boards must be used, beneath a single standard a sole board should be at least 1,000 cm² with no dimension less than 220 mm, the thickness must be at least 35mm. For heavier duty scaffold much more substantial baulks set in concrete can be required. On uneven ground steps must be cut for the base plates, a minimum step size of around 450 mm is recommended. A working platform requires certain other elements to be safe. They must be close-boarded, have double guard rails and toe and stop boards. Safe and secure access must also be provided.  Notice Products are manufactured to the highest standards and provide excellent results in the hands of the experienced installer. These products are raw materials for stucco projects, and are intended for use by those knowledgeable of, and accomplished in stucco applications. The satisfactory outcome of any construction project rests entirely on the expertise of those doing the work, and Adams Supply of Dallas, LLC assumes no role or liability in any project outcome where it only provides material, and is not the installer. Give us a call today at 214-428-5585 for superior construction materials and tools for stucco and masonry, including cement! Adams Supply of Dallas, LLC 2722 Logan Street Dallas, Texas 75215 214-428-5585 214-428-5587 (fax) Click here to email! |
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