Roofing Insulation Sheets - Cheap Building Foil Scrim Foil Insulation

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Cheap Building Foil Scrim Foil Insulation

aterial Structure: AL/3 way scrim/Paper AL
Paper Weight:60gsm ( Standard, can be Customized)
Roll Size:1.2m50m ,1.2550m (can be customized)
PROPERTIES	TEST DATA	UNIT
Thickness	+-0.15	mm
Weight	+-110	gsm
Emissivity	0.03-0.04	COEF
Thermal conductivity	0.037	w/m0
Bursting Strength	90	N/25mm
Reflectivity	96-97	%
Water Vapour Transmission	1.15	Ng/N.S
Corrosion	doesn't generate
Tensile Strength(MD)	144.4	N/25mm
Tensile Strength(TD)	46.3	N/25mm

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Q: Sorry, I asked this in the maintenance and repair section, but no luck.Which is better to have in a 2-story home? My last 2-story home was always hotter upstairs than down. (Physics...heat rises): the best is more attic isolation so that the heat don't come directly to second floor.

Q: hi me and my friends made a lounge out of my old tin roof shed we have a tv speakers and a few other electrical goods... since winters on its way we were wondering whats the best and cheapest way to insulate the place note that its a tin rof but has wood under it where the old indulation used to be the place is pretty chilly and sometime damp plz help we dont wanna be freezing our asses off in there thanks :): Sorry Insulating alone is not going to work.You;re going to need some kind of heater.

Q: I have a converted loft which is really cold. The roof doesn't have any insulation, just a waterproof sheet, but i don't want to spend too much insulating it with the proper boards. If i use mineral wool and staple it across the roof trusses will it do a good job?: Yes, be sure to leave an air space between the top of the insulation and the roof deck to allow for ventilation, and use a vapor barrier on the interior side of the insulation.

Q: Would it be worth forwarding the offer to the client? Is the difference that substantial?: You don't want that. If he offers 3.5 instead of the required 3, that is a different story. Otherwise he should give you more material thickness to provide an equivalent R of 3. Yes, the difference can be substantial and I wouldn't forward it to the client. The smaller the R value of the entire roof sandwich the larger the difference it makes. Like the change from 5 mpg to 4 mpg is a 25% worsening in fuel economy, but a change from 100 mpg to 99 mpg is 1%. It will mess up the heating/cooling of the building and the mechanical systems might be inadequate. They could save money on the roof and complain how the building is too hot/too cold or the mechanical systems never shut off and their energy bills are too high.

Q: on a traditional pitched roof construction,where is heat insulation usually provided?: On the ceiling.Paper side down to help protect against moister.

Q: Can you put fiberglass insulation on the under side of roof tiles in the loft in the house?: I would be concerned that this may cause moisture to form between the roofing and the insulation. They make a special foam panel that fit underneath the roofing in between the roof rafters. They allow air to flow from the eave to the roof's ridge.

Q: is it safe to put insulation in the corners where the roof meets the wall in attics?fiberglass in corners?: No it is not EVER safe! Roofing material needs to breathe. Anywhere that insulation is applied to the underside of the roof deck the roofing material will warp and then leak. You have to have a cushion of air between the underside of the decking and the insulation

Q: hot because of all the added insulation. Is that what the insulation will do? Someone told me that it will save us on our cooling/heating bills, and that it will be warmer in the winter and cooler in the summer now. Is this true?: Yes, you heard right. If you had no insulation, your air conditioner wouldn't be able to cool the house.

Q: I am purchasing a mobile home with a shingled roof. The shingles need to be replaced (&gt;15yrs old) and with the cost of heating going up each day I thought I would added some of that 2&quot; thick rigid insulation. I would place this right on top of the existing roof and then place the firring strips for the metal roof right on top of the rigid insulation panels (which are 4x8'). By using 3&quot; galvanized sheet rock screws I will get a good solid attachment. Then I will put the metal roofing on to the firring strips as normal. Does anyone see any downside to doing this? Has anyone tried this before?: I agree with the soundness of every part of your plan EXCEPT not removing the original shingle roof. The shingle roof is already at the end of its usable life. There’s no benefit to covering up old problems, and they will most likely affect the durability of the new roof. Plus, removing the old roof gives you the opportunity to inspect and repair any issues with the roofing deck. Your new insulation and metal roof will attach better and perform better by removing the old shingle roof.

Q: Best roofing insulation to keep warm in the winter?: Aluminum is a good resister to thermal flow, but its primary characteristic is to stop the transfer of air. A solid barrier of aluminum will stop air movement, and will reflect heat back. A drawback is that it must be installed in a way so that no air can move through any cracks. Blown in fiberglass is your best bet. Trapped air is what insulates a space. Cellulose settles with gravity after a period of time, the fiberglass does not settle, traps more air, and can have a resistance value of up to 33. A well-insulated attic will keep you warm in winter, and keep the hot attic air from infiltrating your home in summer.

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