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 <itunes:summary>Mainstream Green exposes the advancements happening in green building and living that are now accessible to everyone. Hosted by high-performance homebuilder Alex Pettitt, Mainstream Green engages, informs and educates viewers about everything green, from the nitty-gritty of insulation to the big picture of master-planned communities. Going green can be as simple as changing to energy efficient light bulbs or as complex as building a five-star certified home. By providing inspiration and information on how to become more involved in earth-friendly alternatives, Mainstream Green encourages viewers to explore avenues and incentives that save them money, improve their health, and make their world a little better. 


See more of this great show, and others, at www.onnetworks.com.

All of ON Networks&#039; shows are available in both Apple TV HD and a smaller version that plays on both iPods and iPhones.  To download a different version of this show, click on the &quot;See All Podcasts&quot; link and select the version you&#039;d like to download!</itunes:summary>
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 <media:text type="html"><![CDATA[Mainstream green 
Episode “Recycling on the job”

Alex Pettitt: For a lot of people going into work means going into the office, for me it is not just going into my office but visiting construction sites throughout the day.  I am Alex Pettitt and today we are going to be looking at recycling on the job site.  No matter what your work environment is the same principles apply, recycling your waist, reusing that material, and reducing your consumption to begin with.
We’re on a job site where they’re getting ready to build a new home, but first the deconstruction of a dilapidated structure was necessary.  Now that we have got all the waste material sorted and piled up we’re ready to break it down for that we have called in a tub grinder to do all the dirty work for us.
Hi Fred.
Fred Thornhill: Hi Alex.
Alex Pettitt: How are you today?
Fred Thornhill: Excellent, how are you?
Alex Pettitt: I’m doing great.  We wanted to come onto this job site and see exactly what this machine and what your company is doing for these builders.
Fred Thornhill: What this machine does is I bring it on site and I grind up the wood and drywall and brick that come from a deconstruction site or a new construction site.
Alex Pettitt: As far as new construction and deconstruction this is one way of recycling on the job site, but for builders you actually make it easy because you come to them.
Fred Thornhill: That is correct, I bring this machine on to site and we grind the product and we leave it on site.
Alex Pettitt: You have got a deconstruction project where we are right now with that I am looking at this pile and there are all sorts of nails and goodies in there, how does this machine handle that kind of metal by product?
Fred Thornhill: Not a problem, it will separate the nails at the top of a conveyor belt through a magnetized roller and it dumps them into a bucket separates them from the material.
Alex Pettitt: As we let Fred continue with the grinding process we are going to go check in at an office to see how they use the same principles with their waste recycling.
Taylor Williams: Our aspirations when we first started our recycling program were really just kind of save some money, trash pickups were becoming more frequent.  We were having bags of paper in wastes that were sitting outside of the Dumpster, it looked ugly back there.  We wanted to kind of clean up the appearance of the outside of the building first off, another thing we realize that if all suppliers are on a level playing field that we may win business by being more green than the next guy.  
In the future I would really like to see our company be able to pass down ideas and programs like we’re implementing here to the people that we work with as was done with us.  Your entire supply chain can actually feed off of programs that you put into place and try some of the same things so that collectively you are doing more than just one business can do as a whole.  When our stuff gets picked up by our recycler it is taken to their facility and they give it to someone else.  The main thing is that we’re not sending it to a landfill.
Alex Pettitt: That is right, last year over 80 billion tons of waste were diverted from landfills in the United States alone, instead of filling our landfills more and more companies are filling dedicated containers which are picked up by recycling companies and brought to warehouses to be repurposed.
Here the materials are segregated into as many as 25 different categories, this recycling company has a program called anything that tears and as you can imagine that includes a lot of stuff.  Recycling companies these days can even process the miscellaneous metals left in your Paper Products.  So bring on that spirals, paper clips and even your notebooks, these guys can handle it.
As the materials are divided out there reconstituted into categories of various grades in order to meet the specific needs of a multitude of users, once separated the materials are either shredded or broken down and sent to a baler.  These bales are then loaded onto a rail car and sent to destinations all over North America.  While the paper here is being turned into more reusable products lets check back at the construction site to see what the waste wood and the drywall are being used for.
Alright Fred we had a huge pile of wood and now we put it through the grinder and we’re left with this.
Fred Thornhill: That is correct, we have this great mulch which can be used for erosion control in the lots, we can protect roots around tree areas, and we can save some of it for decorative mulch at the end of the building process.
Alex Pettitt: So we’re not having to do any trucking or hauling off to the landfill?
Fred Thornhill: Yes, and you can do that for about the same price if not saving with the traditional Dumpster waste.
Alex Pettitt: I love it that is awesome.  
Small businesses may be limited in space and manpower on how they deal what their waste stream where as large businesses have monster volumes to contend with but the right program can help any company.  By conducting audits and designing custom programs recycling centers can get businesses started on the right track towards achieving their goals.  Then by continuing to monitor their progress compared to preset metrics performance can be it evaluated overtime and adjusted accordingly, now that is full service.
Taylor Williams: We have cut our electricity bill several thousand dollars a month just by adjusting the temperature of the air conditioning and making sure the duct work was put in place properly or that it is all sealed.  Another thing is that we have been able to reduce trash pickups from three times a week to two times a week.  That is for Dumpster loads on average that we’re not sending to the landfill each month.  I would like to see our name being associated maybe with doing these types of programs, I know that they are in place elsewhere but I would like for people to realize that whatever kind of company you are you can do something like this as well.
Alex Pettitt: So even though we’re not always the ones paying the utility bills, shelling out for the paper or in this case the wood in our places of employment we are still the ones paying the price for the cost that we incur to the environment, until next time I am Alex Pettitt for Mainstream Green.
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 <media:text type="html"><![CDATA[Mainstream Green
Episode “Integrated pest management”

Alex: Termites, fleas, and roaches, these of the three big pests that threaten our homes and structures.  When any of them infest a home people usually spend lots of money on expensive, yet short-term and often highly toxic treatments to try to get rid of them.  My name is Alex Petit; I am a high performance and Green builder in Central Texas. Today we are going to show you a different approach called integrated pest management, it is a long-term plan that reduces toxic exposure, can save you money, and can even your structure.  We're going to look at this today, right here on Mainstream Green.
Integrated pest management starts with a way of thinking, first of all you should know that there is no way you can realistically get rid of pests for good. It is not possible, what you need to start thinking about his pest management.  We are at a home site at the beginning stages of home construction, prior to pouring the foundation.  This is a stage where you can use prevention to keep the pests from ever coming in, in the first place. 
This homes foundation is getting ready to be poured.  Most foundations are concrete poured on top of soil, then the wood framing will sit directly on top of the concrete.  Pests live in the soil primarily because of the moisture.  This moisture moves up through the concrete slab, into the wood framing members, and now it is an open invitation for pests of all types.
To keep moisture from seeping into the structure there are various barrier methods that are available.  6-mil polyethylene film is frequently used, but even more popular especially on the West Coast is the sand barrier method.  Since the concrete that is poured around your pipes and insulation shrinks with the weather, a gap can form between your pipes and your slab.  This stainless steel mesh prevents termites from crawling up through your slab, up your pipes and into your home.
While sand and other similar barriers help block moisture from the home, this stainless mesh actually blocks the termites themselves from being able to come up into the home.  They put these pieces down over the penetrations to the slab and they get secured on.  These options are great to consider when building a new home but a lot of you all probably already live in a house.  I bet that you are thinking hey what about me? Don't worry integrated pest management can work for you to, follow me.
We are here at a century old house that did not get the benefits of preconstruction barrier applications. So what are some green options that you can use if you have a pest problem or want to avoid one?
Integrated pest management is about using non-toxic or least toxic options first before bringing out the heavy chemicals for the old spray and pray approach.  Today the homeowners have brought in an expert to use the spray of approach, but this spray approach is they environmentally friendly, borate based product that doesn't give off gas and has minimal toxicity.
It works by penetrating deeply into the wood fibers of the subfloor with the beams and the joyce. The product actually becomes part of the wood and last as long as there is no excessive flowing water where it can leach out and in case you are wondering, but non-IPM alternative would be something like a chemical soil treatment, which would last only a few seasons and could run off into the surrounding area and groundwater.
Here we have a regular house there is a few things going on that you can do at your home to.  First let's look at the landscaping; these plants are healthy and well maintained.  Healthy plants help resist pests naturally.  These are native and adaptable to this region which helps with its natural pest resistance.  The plants are trimmed from the exterior of the house; this prevents potential bridging for the past to get to the structure. The planting bed is about a foot and a half below the foundation, frankly the further the better as long as you try to get at least a minimum of 12 inches from the top of the foundation to the soiled bed.
Inside your house the kitchens and bathrooms are the biggest sources of water, check all your pipes and fixtures for leaks and make sure that all your food is stored in sealed properly. If you already have a pest problem makes sure you try to exhaust all your non-toxic options first. Boric acid is very effective and is just about as toxic as table salt.  Just be careful of added chemicals to some boric acid products.
Integrated pest management is a preventative way of thinking that combines multiple strategies such as low toxic applications, managing your home's moisture, indoor and outdoor cleanliness, even home design and landscaping considerations that you can make.  Remember an ounce of prevention is worth a pound of cure a little upfront planning, preparation and cost can save you a bundle down the road.  I am Alex Petit and this is Mainstream Green.


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 <media:description type="plain">New options in insulation make for more efficient and greener alternatives.</media:description>
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 <media:text type="html"><![CDATA[Mainstream Green
Episode “Insulation”

Alex: Insulation, it keeps your place warm in the winner and cool in the summer.  Most people think of insulation as the big rolls of pink itchy stuff but more alternatives exist today than ever before.  Green alternatives such as soy-based spray foam and other blown in applications are less toxic and conserve more energy and last a whole lot longer than your father's insulation.  My name is Alex Petit and I'm going to show you these alternatives and help you choose which is best for you, right here on Mainstream Green.
This is what is inside your walls, nothing, until you insulate it.  Insulating your home to the standards of the Department of energy can reduce your energy bill by 20 to 50%.  The golden rule of insulation is to steal your air gaps, the kind of spaces that we are talking about here are the voids between the studs and around the pipes, wiring and duct work. Basically anywhere that air can flow freely from the exterior to the interior of the structure should be sealed like this.
Installation is rated by how effective it is at heat transfer which is its R-value the higher the R-value the more energy efficient is.  So you are thinking let's choose not insulation which has the highest R-value so I can say they bunch of money on my utility bills.  But there are other factors that come into play.  
Here's some fiberglass batting, but this is formaldehyde free which makes it a much better choice for your indoor air quality.  It is flame retardant, good at reducing noise transmission, and because of its R-value helps cut down on the energy cost when installed properly.  Other batting choices exist that work just as well and are a greener product.
Mineral wool is a recycled industrial product that uses starches to bind it instead of formaldehyde.  And there are other recycled batting products as well such as denim.  Who would have thought that your old Levi's could help keep the drafts out of your new living room. Another one of the benefits of batting  insulation is that it does not have to be professionally installed you can cut it to size and put in place your self, plus it is a cheapest alternative form.
The problem is that he cannot get that perfect air seal, for that you have got to go with the spray foam.  Foam must be professionally installed, it expands and fills in behind all the pipes, boxes, plumbing, and conduits that batting just can't do.  No matter how well you cut it.  So why foam?  You say that it is the total package, why that?
Kurt Deruiter: Well with foam there are so many things you can do with foam that you cannot do with other products and one of those things is that foam is they air barrier.  It fills in everything, you have got to figure it is going in as a liquid and it is just expanding out three dimensionally at 120 times its volume, so it is coming out very good and it fills cracks very well.  You do get your air seal, and with an air seal you get the actual R-value.
Alex: The true R-value.
Kurt Deruiter: You get the true R-value, in other words this wall right here is an R-13, and it is always an R-13. It does not change whenever the cold air from the outside or hot air from the outside mixes with the cold air from the inside it does not change, it is the same.
Kurt: Dollar for dollar how does this stack up?
Kurt Deruiter: You are going to spend more upfront for it, but you are going to save on your energy bills down the road.  Your electric bill, you will pay half of what your neighbors are paying.
Alex: So how does foam help make a house green?
Kurt Deruiter: The foam just saves so much energy, and the things that people don't think about, sound control is one. Dust and pollen issues, if you have got allergies you are not going to let the pollens from outside enter so you have; your indoor air quality is going to be greatly increased.
Alex: Hey Matt how's it going?
Matt: Alex good to see you buddy.
Alex: It is good to see you to. Today we are looking at a third type of insulation and I am here with Matt Risinger who is remodeling his family's personal home.  So Matt you are insulating today, can you tell me what's going on?
Matt: I am, an exciting day Alex we are glad to be at this point of the project.  We are doing a total fill installation, as you can see it is an amazing product the guys have done a really good job.
Alex: Now it seems to be a little bit more days compared to some other insulation that I have seen, can you tell me a little bit about that?
Matt: You know it is a little bit denser, with this product when they fill the cavity fully with this you actually get a R-15 rating, compared to a R-13 that you would see most of the time with a bat type installation, there could be a pipe in that wall or a wire and you wouldn't even know it because that insulation has totally encapsulated it.
Alex: Now what is green about this product for you and your family and your green remodeling of this home?
Matt: Number one is energy efficiency, we want to make sure when we remodel this house that we really make it as efficient as possible, and we really want to bring those heating and cooling bills down to their lowest possible point.  And because it is an R-15 as composed to an R-13, we are going to have less heat escaping, or less cold escaping depending on the season.
But then also number two is manufactured in a sustainable way, it has got Green Guard certification and also it is a formaldehyde free product so that I know my indoor air quality is going to be good in this house.  
Alex: That is great while I look forward to watching these guys continue and thank you for having us.
Matt: Thanks Alex.
Alex: Good luck with your project.  As you can see there are many green options available when it comes to insulation, to bring it all home lets look at the alternatives again.  Batting is a reasonable cost effective standard that offers decent efficiency and many new green choices, but batting leaves air gaps.
Foam insulation has the highest R-value and will completely seal the thermal envelope of a structure, but it is also the most expensive.  Total fill is relatively inexpensive, offers a higher R-value than batting, but will only fill your air gaps not seal them.  It also comes with recycled forms like cellulose.  With good insulation you can literally cut your energy use by half.
Again the key to good insulation is sealing your air gaps, and good insulation conserves energy which saves you money.  Until next time I'm Alex Petit and this is Mainstream Green.
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