building heat insulation material

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Product Description:

building heat insulation material  is an environment friendly product which has good sound absorption and insulation properties. The outer layer of PET provides excellent abrading and tears resistance. The middle layer of bubble shows strong ability in barrier of moisture and oxygen, reduction and insulation of sound. The middle layer also has the advantages like reflecting light and heat and stopping the penetration of ultraviolet radiation.  

building heat insulation Technical parameters:
Reflectivity96-97 %
temperature range -50 degrees C to 80 degrees C
SecurityNon-toxicity,non-corrosiveness
DurabilityIt will not degrade over time.
Mold and mildewNo growth
Linear shrinkageNone
Tensile strength (MD)13.43 MPa
Tensile strength (TD)14.58MPa
Water Vapour Transmission0.012  G/M2 KPA
Normal Weight240G/M2


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Q:Can you use Great Stuff foam as insulation under a metal roof?
I installed a metal roof 5 years ago. I stripped the roof down to the plywood and put down 30# felt. This was what the manufacturer recommended. The felt is not for insulation though. The company was Metal Sales out of PA. They are glad to give advise.
Q:Are flat roofs the best roof structure for insulation?
For insulation, what is important is the material it is done and how it is positioned (different materials used on the same roof), and not it if flat or anything else.
Q:Whats a good way to insulate water pipes on our roof?
they sell insulation at the home improvement stores. if you have tried that type then you will need to call a proffessional to insulate with fiberglass and wrap with tin protective cover. depends how cold it gets you may have to use heat tape also.
Q:p/t deck on a commercial rubber roof do we need closed cell insulation under deck to protect rubber?
First I would put some walk pads down, I don't know if you can purchase them at your local home center. There should be a specialty store that sells vinyl siding they should have them they are about two foot by two foot rubber squares that have dots on them they look like suction cups. Place these pads dots down so that water will drain under the pads, then place a piece of 2" x 8" about 16" long of p/t blocking on top, this will help transfer the load of the deck on the rubber walk pad on the rubber roof. Place the pads and blocks where ever you place your 4" x 4" s You are now ready to start framing the deck. GOOD LUCK!!!
Q:do i have to have insulation in my roof?
There is a need for insulation in order to avoid very cold nights in the winter and too hot days in the summer. For this purpose, an attic radiant barrier will provide an instant solution to reducing both high summer and winter cooling and heating costs. During winter, heat loss is so rapid that it is often passing through the attic insulation then towards the cooler part of the roof. However, an attic radiant barrier will help reduce the heat loss and in the end save you lots of money and discomfort.
Q:type of insulation needed for the under side of the roof?
If okorder.com/ what they are finding, along with shingle manufacturers is the spray insulation is not allowing enough air movement in the attic to cool the shingles on the exterior of the house and the shingles are literally baking themselves on the roof! Now, if your room is not the attic and you are simply looking to add insulation to cut energy costs and change the temperature of the living space of your home- I would definitely go with the batten style (or roll) insulation- its an easy install, inexpensive and works really well.
Q:Does a layer of snow on my roof provide insulation?
It shouldn't matter. Here's why: If your attic is already well insulated and ventilated, there is insulation sitting on top of your drywall or plaster ceiling. Above that insulation is moving cold air. That air keeps your roof from rotting. The insulation creates a barrier between your living space and the moving air in the attic. You can differentiate homes with good insualtion from those without it--well insulated homes will have snow on their rooftops for a longer time. Additionally, well insulated homes are less likely to develop ice dams. So, I don't believe the snow on your roof should make any difference at all in your energy bill.
Q:the roof of my mouth hurts bad.i worked all day with sawdust and insulation yesterday.is this the problem.?
Sawdust is a definite possibility. It is highly toxic and an appropriate mask should always be worn when sawdust is present. Sawdust is a proven carcinogen. Depending on the type of insulation you used, it may contain chemicals (e.g. formaldehyde) or particulates (fiberglass) that can be irritating to the throat, lungs and/or nasal sinuses. Bottom line: be sure to wear an appropriate mask in the future. They are available at most hardware and all wookworking stores. Best wishes and good luck.
Q:Advice on roof insulation please?
put insulation above the ceiling (not on the rafters) and add vents on each side of the attic....
Q:Can I put insulation on top of my roof and then roof over it with metal roofing?
The only downside I see is your miscalculation about the length of the screws need. Lets see, 2 inches of insulation, 3/4 inches of furring, leaves you with a solid 1/4 inch of bite, and we all know that the first 1/4 inch of the screw is meant for piercing, not holding. So plan on 4 inch screws, because you still need to penetrate the old roof and bite the structure. Don't forget to plan your drip edge which now will have 2+ inches of roof thickness to carry the rain water over into your gutter.

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