Our photo above shows a long routing of bath vent fan ducts across an attic floor to an exit at the building soffit or eaves and the condensation of.
Attic insulation above bathroom.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Both can be added to uninsulated attics or layered over existing material.
Up in the attic clean the ceiling surface around each fixture slit the cover to accommodate the electrical cable and place the cover over the fixture.
Try aluminum tape or zip ties to fasten the insulation you may get a better result.
Blowing attic insulation isn t hard but it s dusty sweaty work.
You may need to pick up the duct insulation at the home center if the duct is not insulated at all.
One for attic prep and the second to actually blow the insulation.
Insulate your attic outer walls and crawl space first as these areas have the most heat transfer.
Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Probably in more place than you think.
But saving 1 000 or more with blown in ceiling insulation will make up.
To make insulating an attic easier grab a helper and set aside two days.
Apply the sealant around the cable and along the edge of the cover where it rests on the ceiling.
Look for insulating pre cut jackets or blankets with an insulating value of at least r 8.
So go to the attic and do that.
By the end of the weekend you re going to be sore and tired.
Most of the time all you have to do is just fasten the insulation again.
We insulate the bath vent ductwork to minimize the condensation that will otherwise occur as warm moist bathroom exhaust air passes through cool ductwork in the building attic or roof cavity.
For diy attic insulation you ve got two choices.
Loose fill or batt the common term for blanket insulation.
Now it will be safe to heap insulation onto that spot.
Insulate water heaters to prevent costly energy loss.