What is the difference between an extruded board and a foam board?
New home ready to do the sun room ceiling is the choice of stainless steel or aluminum alloy material is good, what are the pros and cons? Analyzed as follows: from the price point of view: stainless steel materials than aluminum alloy expensive; from the aesthetic point of view: aluminum alloy material is slightly heavier than the stainless steel; from the material properties, there will be a slight deformation. In general, the aluminum alloy has a thickness of not less than 1.5 or 2 thick. It is made of 110? 44 or 100? 44 aluminum, and the thickness should not be less than 1.5 or 2 thick. Stainless steel material to do the support of conventional selection: specifications 2.5? 5 or 5? 7 appropriate, it is recommended to use the latter, since it is sunny canopy, then have to consider the wind load or snow load. The former about 140 yuan / root, the latter 250 yuan / root (each length of 6m). Common models of stainless steel is divided into: ... the choice of 304 on the grade of the. In addition, the stent is resolved, is the choice of the ceiling material, the ceiling common materials are sun panels and glass, safety glass market price of more than 200 yuan / ?, use glass to do roof reference practice: assuming that each glass is 1 ?, suitable for the selection of 0.6 + 3 pieces of film (that is, two pieces of glass three film combinations, practices and hollow glass similar), and 1.5 ?, appropriate selection of specifications 0.8 +3 film. The purpose of the film is to prevent the glass from falling after falling. The above statement can be used for your reference, the specific choice and configuration? Radish cabbage, have their own love ~ ~ believe that friends will have the above description after reading the answer.
JGJ130-2011 "construction of fasteners steel scaffolding safety technical specifications" provides a single row of scaffolding should not exceed 24M; double row scaffolding erection height should not exceed 50 meters, which is due to the provisions of the construction safety. As for the single row of scaffolding is not what you want to be able to use, the structure of the building type, masonry structure, the external walls can be used, the frame structure you can single row scaffolding? Height of more than 50 meters of double row scaffolding is not only a double pipe, sub-unloading, sub-erection and other measures, it is "more than a certain size of the larger part of the sub-project", must be in accordance with housing and urban and rural construction Department of "more dangerous part of the project safety management approach" to build quality [2009] No. . the preparation of security special construction program, approved by the expert group.
Metal hose using two kinds of bellows, one is a spiral corrugated tube; the other is the ring bellows child tasting powder jealous wild mad spy Solution: Songjiang metal hose
Color plate is popular called, refers to the sandwich panel. And wall panels, like corrugated, the middle of the sandwich, the bottom of Caigang or sandwich panels. Color steel tile is a single layer, with a single layer of steel to suppress, on a layer of steel only
