If hvac ducts are routed through the floor assembly the floor joists must be deep enough to install several inches of insulation under the ducts.
Insulating sunroom floor.
Steven baczek a residential architect from reading mass who specializes in designing durable low energy homes responds.
The former owner insulated the walls but not the floor or ceiling.
He used vinyl vented soffit for the ceiling which we took down so that we can insulate.
Install a vapor barrier to keep moisture and condensation off your insulation floor joists and the bottom of your flooring material.
Here are some steps you can take to insulate the floor of your sunroom.
A floor with ducts also should be insulated with a continuous layer of thick rigid foam under the floor joists.
A lot of energy can escape through the floor and the floor provides a solid surface where you can hide some good insulating material.
Foam board or insulating boards are rigid panels of insulation that have a high r value.
Best for floors foundation and basement walls interior and exterior wall sheathing and low sloped ceilings.
Make sure that you wear gloves.
With that 5 inch height difference i assume that the walls are.
Because they have a high r value and can be used nearly anywhere in your home foam board insulation is one of the most common types of insulation.
What is the best way to insulate and raise the floor to match the hardwood floor in the main house.
A client has a sunroom with an uninsulated concrete slab that is 5 inches below the house floor.
Insulate ducts and plumbing and put them close to the floor.
If it is above grade winter drafts will make the room too cold to use no matter how well the walls and ceiling are insulated.
When you convert a porch into a sunroom you ll get the most usage from the new room if you ve taken steps to insulate properly and a good place to start is the floor.
Roll out the fiberglass insulation sheets between the joists facing side up making sure it is snugly in place.
If we don t insulate the floor and ceiling and heat air condition it the room is somewhat useless as it is way to hot in the summer and too cold in the winter to use.
How to insulate a sunroom or 3 season porch.