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For any retrofit insulation company, this is the meat and potatoes of the business. Simply put, we blow loose fill insulation through a long hose up into your attic hatch, and install it according to the manufacturer's specifications in your attic space. The process involves a 3 or 5 ton truck that houses the special machinery and material required to do the job. It's a little noisy, and our truck sticks out like a sore thumb, but most upgrades are over before you know it.
For the average attic, the job will take approximately an hour depending on which truck and what type of equipment is dispatched to your job. The installers will lay down 2 mil poly (plastic) on the floor from the front door to the attic hatch. In many instances they will be able to feed the hose through a window close to your attic hatch, and minimize the disturbance to your home. When complete, they simply roll up the poly with any loose insulation that may have fallen out of the hatch, and remove it from your home.
* In all our retro-fit jobs, we include what is called the “hatch work”. If required, we will build a cardboard border around your attic hatch opening. This will hold back the insulation so you don’t get a face full every time you go into your attic. We will also install a batt of insulation to the top of your attic hatch and weather strip the perimeter of your hatch (if required). This whole process gives your access hatch a tight seal, ensuring that your added insulation isn’t going to be wasted by a “drafty” hatch. Don’t pay extra for your hatch work (as most contractors charge extra). It’s a necessary part of the job, and should be included in the price.
*We offer generous promotional packages on the installation of air chutes at the edge of your attic, to aid in the air flow of outside air if you have soffit venting installed. Many older homes do not have soffit venting installed. If you don’t have soffit venting installed, then air chutes are not required, and you should discuss other options such as intake roof vents with your contractor. Bear in mind that some attics are of such a low slope, that it's not always possible to reach the soffit and install the chutes.
WATCH OUT OF THE "ADD-ONS"
* One of the things you should watch out for, is some insulation contractors will try to sell you unnecessary air chutes when they are not required. They are one of those “add on’s” that they can make money on. If you have continuous soffit venting all along your eaves, and have cardboard insulation stops installed, then air chutes are often not required. They are, however, required if your insulation upgrade will be too high to keep insulation of of your soffit vents.
* If you have no soffit venting installed, then air chutes are not required. If you do not have any soffit venting installed, you should discuss your options with your contractor. To ensure proper air flow it is important to install some type of intake venting. One of the options is to drill in new vents into your soffits. Another, popular solution, is to install several roof vents low on the slope of your roof, so they will act as intake vents. This solution works excellent in combination with a turbine at the peak of your roof.
* If you have, as most older homes, individual intake vents drilled into your soffits, then you should install air chutes in each truss space where those are present.