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What is the difference between rock wool sandwich panels, EPS sandwich panels and polyurethane sandwich panels?
- When the top of the ventilation tube can not be extended out of the roof, the following ventilation can be used: ①, set the side wall ventilation tube ②, by setting the confluence of the ventilation pipe after the extension of the side wall to extend above the roof ③, set up self-circulation ventilation pipeline system , the following circumstances should be set up ventilation riser: ①, when the drainage pipe to take the sanitary equipment drainage design flow than in Table 449 only set the top of the drainage pipe drainage pipe maximum design drainage capacity ②, the building standards require a high multi-storey residential and public buildings, 10-storey and 10-storey high-rise building life drainage riser , the following drainage pipe should be set up annular ventilation pipe: ①, connecting four and more than four sanitary ware and the length of more than 12m of the drainage pipe ②, connecting 6 and 6 or more toilet toilet cross pipe ③, do not exceed the above provisions, but the nature of the building is important, the use of high requirements or set the device when the ventilation tube , the health, quiet requirements of the building, the living drainage pipe should be set to ventilator tube , the drainage pipe at all levels of the building shall be provided with an annular ventilation pipe, and shall be provided with a main ventilation riser or a secondary ventilation riser for the connection of the layers , ventilation riser shall not accept the equipment of sewage, waste water and rain; not connected with the duct and flues
Why is glass wool board used in portable house on the construction site?
- Could it be that it is for fireproofing and prevention of burglary.s
House wall insulation cotton: 12K75mm glass wool+ VR veneering. Is the VR veneering for aluminum foil board?
- glass wool can be used for various glass wool. Aluminum foil is generally fireproof and non fireproof.s
What's wrong as the glass wool pipe is too soft?
- The issue of density and thickness, the main reason should be that the density is too lows
Why use reflective paper for pipeline package? Such as the caliduct in home is wrapped with a layer of reflective paper outside a layer of glass wool.
- Yes, light reflection can prevent the pipe from absorbing too much heat. Its ok if you don't use reflective material but use material which doesn't absorb heat and has light colors, like sacks
Can I ask my landlord to put better insulation in the roof?
- I never turn my heat or ac off when I leave the apartment. I'd say you can ask all you want but the landlord won't be listening to you. And I don't think 4 degree drop is a lot. And it does depend on what the weather outside is. If I had 68 degrees indoors I'd always have a cold. What is your monthly bill and which part of the country are you in? My bill is around $42 a month. I have insulated draperies, I use only one 40 watt bulb at my place. When it gets cold in here my 40 watt bulb will heat my place.s
Attic Roof Insulation?
- Such an interesting question when you sit down to answer it. First off, if there are any vents to the exterior, its not likely that you will want any additional heat to enter the space, as it will flow out of the vents to the outside and cost far more money than heat that is lost by thermal transfer, through the doors, windows and insulated walls and ceilings. So, any increase in the source of heat would mean closing the system to outside air vents like the fan and the soffit vents. If you want to heat the space, you'll need to insulate the roof by adding fiberglass batting to the space between the rafters and then drywall or panel depending on local building code and your preferences. Then you'll need an avenue for heat to reach the attic which can be as simple as cutting a couple of floor grates through to the heated space below, but you'll want cold air return ducting to send the cold air that is displaced by the heated air back down to the furnace. Then you'll need to seal the gable fan and insulate, perhaps with a box you can remove in the spring and replace in the fall. Now that the attic is integrated in the HVAC system, you no longer need the soffit vents. If you don't have a forced air system, there is less concern about the cold air return, as your heat source would be in the room or you can just use floor grates on opposite ends of the room for both the warm air and cold air exchange. Place one near the heat source below and one well away from it.s
Does anyone clearly know about the construction technology of glass wool blanket, aluminum net and sound-absorbing wall?
- 1,4X20 wide aluminum mound layer, fixed with wood screws; 2, the layer of aluminum net; 3, fix the taut glass cloth on the surface of the keel; 4, stick 40 thick rock wool felt in the keel with construction adhesive ; 5 , 50X50X0.7 fix the light steel keel to the wall with expanded bolts, two-way medium range of 450-600; 6, polymer waterproof coating moisture barrier; 7, 8-10 thick 1: 0.5: 3 cement gypsum mortar layered leveling;s
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