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Insulation Services Photo Album: Attic Re-insulation in Monroe, NJ

This customer in Monroe, NJ had concerns about how uncomfortable it was getting in her new ranch home in the early part of the winter. Fearing what might come during the thick of the winter, she called Dave Hoh's Home Comfort and Energy Experts to find a solution that would alleviate her problems. Due to the fact, her home was on a slab, we knew the problem wasn't coming from below, but it was in the attic! When you are trying to heat or cool your home, your HVAC system puts the air you desire into your home, but when your attic is underinsulated, you can end up losing a large chunk of that out of the top of your house. Air-sealing all of the cracks, gaps, and holes in the attic are a big help to alleviate a lot of that air leakage. Paired with adding 6" of cellulose insulation, maximizing the performance of this attic. Additionally, in order to increase the efficiency of the home's duct system, the 'cheese wedge' supply plenums were encapsulated with 2" of rigid foam board and sealed with spray foam. Now no air or outside temperature will be affecting the air inside of the thin, metal duct.

Underinsulated Attic

This attic already had R-30 fiberglass insulation batts. But they weren't enough because fiberglass actually traps air inside of it rather than stopping all air and heat movement like cellulose.

Voids

Insulation Voids can be some of the leakiest spots of the home and you can usually tell that that area is much more uncomfortable below,

Attic Sill Plate

A close up of the top of a wall called the sill plate. This is a major contributor to air leakage all around the home.

Sill Plate

The top of every wall has a similar sill plate which has a large gap around it and also has a lot of wire and pipe penetrations. All of these openings need to be sealed to properly insulate the attic.

Uninsulated Supply Duct

This 'cheese wedge' supply duct is constantly exposed to whatever temperature the attic is, making the duct system work less effectively.

Sealed Duct

Now the supply duct is completely encapsulated and protected from the extreme temperatures in the attic.

Cellulose Insulation

Now the attic is insulated more heavily with cellulose insulation, which makes the older fiberglass below it work even better.

Insulation Retaining Dam

This pink board is separating the footprint of the inside of the home from the garage area. You do not need to insulate over a garage in most homes and it can trap airborne VOC's.