Ducts In Concrete Floor Slabs

Is there any way to reline or replace metal heat ducts under a concrete slab floor without tearing up the floor.

Ducts in concrete floor slabs.

As your heating and cooling system sends air through your ducts debris from the air can become trapped greatly reducing the quality of your air. In slab duct ventilation system the eccoduct system is a rectangular spiral seamed duct embedded in the structural concrete floors of high rise buildings. This link is a duct system in slab like the roscoe design. I have no association with either of these men other than a great interest in if it works well enough to put in a new home i am planning.

Ducts that are in a ceiling tend to be a little more effective in distributing cooled air throughout a room. If the hydrostatic pressure of the sub slab moisture is too great it might still breach this type of solution. Functional troubles such as lack of air flow or collapsed ductwork and environmental problems such as. Hvac ductwork in floor slabs.

If your ductwork is breaking down under the slab a coating is not going to do you. But in that instance you clearly have larger water management issues which likely go beyond the duct work and will probably involve some concrete removal. This article describes heating and air conditioning ducts that have been placed in or beneath concrete floor slabs. I have galvanized air.

I just discovered that the air ducts in my concrete slab have problems. The eccoduct system has a 3 hour fire rating on all encased components and has passed extensive testing to give trouble free installation and service. We had our ducts commercially cleaned five years ago when we were. It is different from aae in that the aae pours a thin slab puts the ducts on this and then adds thick slab to cover the ducts.

Consider duct cleaning before sealing. Trimming concrete that is not level with the existing floor. Our in slab air duct lining will help protect your ducts and ensure cleaner healthier air. Home had a slab with oil furnace vents prebuilt into foundation early 1950 s after heavy rain.

Hvac air ducts located inside concrete slab floors invite a surprisingly broad range of building problems that fall into two broad categories.