Have mechanicals in attic and would like to semi condition space while maintaining a vented roof.
Add eps to attic.
Am i nuts or on the correct path.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.
Strengthening attic joists for live loads by sistering.
I live in zone 5a connecticut lucky me.
Would like to use attic for storage as well.
It s a great way to add to the home s living space without the complexity that comes with an addition.
If you spent 20 000 on your renovation you can expect 12 200 to be added to your home s resale value.
6 questions to ask maybe you have always dreamed of a better master bedroom as large as the house and as private as can be.
This method i believe if air sealed and installed well may be a good solution.
This is the same stuff your disposable coffee cup and is made out of and it s used to protect fragile items in their packaging.
Or perhaps your teenager needs more space but you can t imagine where you ll make it.
To do that without creating soggy roof sheathing from wintertime moisture accumulation in us climate zone 6 you need a minimum of half the total r value to be on the exterior r25 in exterior foam out of a total code min r49.
Sistering is the process of adding a new joist next to each existing joist.
Many homes in america are.
Can you add a room in your attic.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
In new construction the best use of eps in attics would be to put in on the exterior of the roof deck making it a conditioned attic.
The answer you ve been looking for might be literally over your head.
Because your attic already has a structure in place with a floor and roof it is overall cheaper than a brand new addition.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.
You can check the insulation level in your attic by measuring it or getting a company to check it for you.
Maybe you want a little rental unit or a romp room for the kids.
Thinking 4 board foil on both sides with a value of r28ish.
Before entering your attic make sure that the climb to the attic is safe and you wear a protective mask against the tiny fibers in some insulation.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
