Do u think its gonna be ok like I have it? I bought an old mobile home. I updated the water lines to pex. I removed the skirting and went under and the insulation was non-existent.
I plan to put r30 unfaced insulation under it and wrap it with the correct plastic. I live in pa half hr 45 min north of Pittsburgh. The area is usually colder then the weather station says. So to my questions. Is it economical to put unfaced r30 insulation under the home. PS: I sealed all the holes and edges under the home with great stuff spray foam as a air barrier 2.
What way do I face the paper in the walls? It gets to -5 sometimes in the winter and 98 in the summer. Addendum: Also I will be keeping the house at around degrees in the winter months for my little kids. I am trying to insulate the underpinned of a mobile home, I do not want to remove the metal skirting because is permanent, it will be hard to remove.
So is it possible to use blue foam boards attached to the metal from outside. If is alright how should I do it in order to have ventilation and at the same time vapor barriers to avoid condensation issues? Do I applied vapor barrier outside the metal then the blue foam boards, plus plaster or first the blue foam the vapor barrier and then the plaster or blue foam, plaster vapor barrier. Going under the house is not an option for me or my children, the best solution is fixing the problem from outside.
Any suggestions thanks in advance for your help. I have a metal storage building what would be the best insulation to use before I finish off the interior wall. Mike, Yes, you should put unfaced insulation either rolls or batts on top of existing insulation, so that you only have on vapor barrier facing the heated house. We recently purchased a house with an addition that has an unfinished, as no heat, no electricity, in the basement of the addition. We plan on eventually finishing the room.
But would like to enjoy the space during winter months -If pink insulation vapor barrier closest to the floor or on the out side of insulation -foam insulation.
Is it worth the cost? Thank you for your time. If I am using paper faced rolled insulation between rimed joist in the basement and first level subfloor which way should the paper go — towards the outide of the house or towards the inside of the house? Is it better to use faced or unfaced rolled insulation in this case? Ken, If the basement is unheated, put the facing up toward the first story floor.
Landscape fabric would also work. I bought Poly Shield insulation board which has an aluminum layer on one side. Still a bit confused. I am trying to insulate above the rim joist in the basement. If I use faced insulation should the paper go towards the outside of the house or the inside? The insulation is against the wall NOT towards the first floor. Or, should I use unfaced? My thoughts were I would use faced so there would be a barrier for moisture coming from the outside wall.
For specific information on installing foil insulation, please download the installation guides on our website. The cost of foil insulation will depend on the quantity purchased, the R value , and the installation costs.
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Email: technical foilboard. Enquire: Toggle Navigation Menu. Home About Us Environment Reviews. Foilboard Accessories Slabmate Insulation. Product Selector Find a Stockist. In the absence of a foil insulation barrier, the underside of the roof radiates all the heat directly into the attic. The attic overheats, the house becomes warmer and your air conditioning bill goes through the roof. The radiant foil barrier reflects all that heat back into the air space between it and the roofing.
When foil insulation is properly installed, the underside of the roof decking remains at or near the ambient temperature, even in full sun. This doesn't work, though, if you install the radiant barrier upside down — that is, with the shiny side facing down.
If you do that, the barrier absorbs the heat and radiates it into the attic instead of back toward the roof. A radiant barrier can reduce the temperature in the attic by as much as 30 degrees. It also keeps attic-mounted air conditioning ducts cooler, which means more efficient and less costly operation of the air conditioning system.
Bubble foil insulation adds a layer of insulating air to the radiant barrier provided by the foil. This product, like sheet foil, should be installed with the foil side facing the metal roofing, but there is one qualifier.
If the space you're insulating is habitually too cold, you might want to turn the shiny side toward the living area to create more warmth. You would do this, for example, when insulating the walls of a finished basement. Foam insulation board also comes with a foil backing, and when the foil is just on one side of the board, you have a decision to make regarding its orientation. If you're wondering whether to put the foil side of foam insulation board shiny side in or out, consider whether you want to make the space inside warmer or cooler.
If you want to make the space warmer, the foil should face inside so it can reflect radiant heat back into the room. When installing a new roof or redoing an existing one, the roof decking goes on first. When the board is covered on both sides the foil adds no value. Almost all of the boards were perfectly fine for sticking in a roof. It faces in, it faces out, it faces towards the roof, it faces towards the space, it faces towards the room.
And wait for it, it should have foil on both sides, so all is correct, because it can face the room, the ceiling, the roof and the space all at the same time. In an upside down installation , where the paper faces the unheated portion of the home, moisture from the humid inside air can condense and become trapped inside of the insulation during cold winter months.
This will likely result in fungal growth mold and rot. Foil insulation underlayment is recommended under a metal roof, and in most cases, the shiny side should be facing up, but there's a catch. Foil insulation is a radiant barrier, and it works by reflecting heat from the metal, but for it to do its job, there has to be a layer of air between the roofing and the foil.
Which way do you face foil insulation? If you're wondering whether to put the foil side of foam insulation board shiny side in or out, consider whether you want to make the space inside warmer or cooler. If you want to make the space warmer, the foil should face inside so it can reflect radiant heat back into the room. Do I need faced or unfaced insulation? Faced insulation has Kraft paper on one side to act as a vapor retarder and help prevent moisture from entering the wall cavity.
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