Remove Insulation Between Floors
To enclose the space in a thermal envelope.
Remove insulation between floors. A vent baffle should be installed between the insulation and the roof decking to maintain the ventilation channel. Without insulation heat and cool air are easily lost through the floor. At least you won t be able to tell which side of the paper someone used to wipe. Best for floors foundation and basement walls interior and exterior wall sheathing and low sloped ceilings.
The easiest method is to push quilt type insulation into the spaces between the joists from below. There are two priorities with suspended floors. If the floor is above a cold space you need insulation. If the fiberglass insulation gets wet or very damp it will begin to collapse get heavy and fall from the floor joists rendering it useless to trap air and be an insulator.
For all the valid reasons not to add insulation there are also reasons when you need insulation. Not enough heating and cooling air is getting to the second floor. The main difference between insulation batts and rolls is that batts are installed in pieces while rolls are rolled out between wall and ceiling framing. There are two types of crawl spaces ventilated and unventilated and each requires its own form of insulation.
If there s access from below for example a crawl space or cellar installing insulation is fairly straightforward. 3 problems with fiberglass batt insulation in floors. Presuming the insulation is adequate you have an imbalance in the air flow between the two floors. New construction or 100 yo house insulation between floors and bath walls reduces sound transmission.
All of the observations you have made are true and i never see properly instally insulation particuarly between floor. Improving the thermal insulation and draughtproofing. Installing roll insulation in ceiling of basement which is under floors of living space my basement is heated but a smaller amount than up in living space usually 66 68 upstairs and 58 60 at the same time in basement my question is about the kraft paper facing i think it should face the basement because of any moisture in basement. Fiberglass insulation works as an insulator because it traps air in the fibers of the insulation and slows the collision of warm and cold air.
Let s look at the yes answer for should there be insulation between floors. Consider using high density r 30 batts which are as thick as r 25 batts but fit into 2x10 framing. Reasons for heatproofing insulation between floors. Posted by allison bailes on.
You have properly diagnosed the existence of a problem but the treatment is something other than removing the insulation between the floors. Foam board insulation is one of the most common types of insulation. You can also add rigid foam insulation under the rafters which adds r value and eliminates thermal bridging through wood rafters. Moisture control is pretty interesting but as i pointed out to struble a few years ago and he took the wrong way people have been successfully dealing with.
The goal however is the same.