What kind of material to build a house insulation ah
Insulation layer is a layer of foam board, can not carry the weight, hanging some things are through the insulation wall, hit the load-bearing walls. 1. Indoor insulation generally used "polystyrene foam board" production, the general thickness is 2..3 cm thick, you can use .7 cm expansion screw, to the hardware store to find can match. You can also use welding, then a long screw, is also very simple. Installation steps: . select the larger than the expansion bolt type 2mm hammer drill hole drilling (plastic expansion tube to the same size of the drill on the line), the depth of the length of the expansion tube; . into the expansion bolts; . according to the type of bolt Select the appropriate tools to tighten the bolts: a, ordinary expansion bolts: use the dead wrench or live wrench b, metal expansion bolts: the use of dead wrench or wrench or plum screwdriver c, plastic expansion tube: the use of plum screwdriver according to the actual Requirements, fastened to a certain extent.
Composite pipe refers to the use of two or more triode according to a certain law combination, equivalent into a transistor, composite tube, also known as Darlington tube
As long as no briquettes furnace, will use more than a decade. My color steel tile in the coastal tidal erosion of the place, six years, and now there is no problem.