Hot water running through a pipe in a cold attic space can cause condensation on the pipe which will drip onto the insulation or attic framing.
Hanging insulation in attic.
Choose fiberglass insulation batting.
Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.
There are various grades of insulating batting for different locations in the house so you ll need a different insulation for interior exterior attic or basement walls.
Sometimes there is enough insulation in the middle of the attic and very little along the eaves.
Loose fill or batt the common term for blanket insulation.
Fiberglass can release tiny fibers which can be harmful if breathed into the lungs and which may irritate the skin.
To remedy this and prevent moisture problems wrap the plumbing with foam pipe sleeves.
For diy attic insulation you ve got two choices.
When installing fiberglass insulation observe all safety precautions.
Batt and roll insulation and loose fill sometimes known as blown in insulation.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.
If you don t have an attic however there is no alternative but climb a ladder and do it by hand before you hang the drywall.
In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Old insulation is removed and the attic space is cleaned out.
Both can be added to uninsulated attics or layered over existing material.
It is important that the insulation be evenly distributed with no low spots.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
See install batt and roll insulation for details.
Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home.
Lay the batts across the ceiling joists covering the existing insulation.
There are two main types of insulation.
Lay down boards or plywood sheeting to help you be able to walk safely in the attic space.
The best option is to install fiberglass batt insulation.
An easy step by step instructional video on how to properly insulate a ceiling brou.
To see how to add insulation out to the eaves see installing rafter vents.