Deciding which type of vent you d like is one of those details that you ll want to consider from the start.
Do you rough sand an inset floor vent.
Hvac air ducts located inside concrete slab floors invite a surprisingly broad range of building problems that fall into two broad categories.
Adjustable box damper also available.
Order by the duct size.
I don t think i have come across a newly built home with the hvac ductwork in the concrete floor.
Hvac ductwork in floor slabs.
There are many ways but this is the way i do it efficiently with quality and time.
Insert vents replace the metal register.
How to measure for wall ceiling and floor vent covers not hinged air returns step one.
This article describes heating and air conditioning ducts that have been placed in or beneath concrete floor slabs.
Measure the size of the duct.
The fiberglass filter media material will allow the air to flow out of the vent and trap large dirt particles and debris.
It was a common practice in the 1970s and 1980 to place the homes ductwork in the sand and soil prior to the pouring of the homes slab.
Consider floor vents before installation is done.
Simply cut it to fit over your rough in floor duct and secure it in place with a few screws.
Protecting wall air returns.
To get you started thinking about which you might like the experts at svb wood floors have some facts about drop in versus flush mount wood floor vents.
Cleanly designed with a solid self rimming lip to conceal inexact cuts in your surface material.
Sand it with the rest of the floor to prep it for the seal and topcoat.
Functional troubles such as lack of air flow or collapsed ductwork and environmental problems such as.
Insert the vent into the frame.
Do not order by the size of your existing vent cover.
You will still need to vacuum your duct at the rough in but not nearly as much if you did nothing.
That s not to say builders do not do that any more but i think it s fair to say they avoid that practice.
This is one of those things that can go unnoticed but have.
Outside lip overlaps 3 4 all the way around the vent.
The hole dimensions are therefore 11 1 4 inches by 11 1 4 inches.
If you are installing a 12 inch by 12 inch vent for example the sleeve will measure approximately 11 inches in width and length.