How To Properly Insulate And Ventilate An Attic
Also when laying down additional insulation work from the perimeter toward the attic opening.
How to properly insulate and ventilate an attic. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents. With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door. Find out how to properly insulate and ventilate an attic. Plan to pull up the flooring and layer new insulation on top of the old.
Instead you should make sure your attic floor has sufficient insulation. Look at your eaves and roof. If you notice insulation clumped around any of them go into the attic. To effectively ventilate your roof create a 1 in.
Your attic also needs passive ventilation so that the attic temperature matches the outside temperature the way it should. Never lay insulation over recessed light fixtures or soffit vents. A hot ceiling tells you that the attic is acting like a solar oven raising your cooling bills and. Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.
In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents. Keep all insulation at least 3 inches away from can lights unless they are rated ic insulated ceiling. Learn why it makes no sense to insulate the walls and ceiling of your attic if it is unfinished and you have no intention of finishing it. Insulate your finished attic properly choose your insulation.
Level uneven spots with a rake. Set up a step ladder by the side of the house to inspect the soffit vents and bring an old paintbrush with you to clear them. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of. Find a pre screened local home insulation contractor.
Install air chutes before installing insulation. Touch your ceiling on a warm sunny day. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air.
Intake vents located at the lowest part of the roof under the eaves allow cool. If you don t see any attic vents on the roof or in the eaves you need to add some. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.
Because the simplest and cheapest way to insulate an attic is to add material to the floor. If there s blown in insulation like ours rake back the fluffy stuff with a 3 or 4 ft long 1 x 6 or use a garden rake or hoe.