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Cold floors in rooms above garages are typically caused by air gaps between the sub-flooring above and the fiberglass batt insulation below. Any time insulation does NOT touch the surface you are trying to keep warm or cool...it will NOT work!
See how big the gap between the floor and the insulation is in this Sterling Virginian Home WOW!!!! This might have been the worst we have ever seen...Might be 2-3 feet of a gap!
Our team spray foamed the gaps to ensure no air leakage. These floors are now much more comfortable!
To fix the comfort issues occurring on the top floor of this home, our team reinsulated the attic with both cellulose and spray foam.
Sometimes the insulation around the vertical portions of a skylight will fall off or is never installed, to begin with. This allows outside air to radiate through the drywall and into the living spaces below. This can make a home feel uncomfortable in certain areas. Closed-cell spray foam is installed on all surfaces of the skylight chase with an average thickness of 2 inches. This keeps the outside air away from the drywall and lessens airflow into the living spaces below.
This Sterling VA attic received several steps and services to improve the comfort and energy efficiency of the home, one of which was having the HVAC ducts running through the attic encapsulated with spray foam. The metal ducts had been susceptible to temperature issues when the attic would heat up or cool down depending on the time of year and weather outside. When the attic was hot and cold air was passing through the ducts, the conditioned and cooled air would not reach the rooms it was intended to before safely. When it was cold and there was heated air passing through, the cold ducts would work to reduce the heat of that air. Encapsulating the HVAC ducts with spray foam keeps the air inside safe and helps to reduce the energy cost to create more heated or cooled air.
Closed cell spray foam being used on a garage ceiling to keep the rooms above warmer in the winter.