Foam Insilation Better Than Attic Fan

Spray foam can prove something of double edged sword where costs are concerned according to rlc engineering.

Foam insilation better than attic fan. When installing attic insulation a case can be made for both radiant barrier sheathing with typical types of insulation as well as spray foam insulation. Affix rigid foam insulation to the attic side of the hatch or door. Temp 92 f at 5pm. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Spray foams are often more expensive than other insulation types. The fan is mounted in the floor of the attic sitting above a central hallway in the home. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Foam insulation dries hard creating an excellent air barrier.

However if people could spend money on installing two new high efficiency units placed into an unconditioned attic oven with leaky duct connections then they should be able to afford to have spray foam on the underside of the roof moving the envelope. Make sure the fan is securely attached to studs or rafters on either side of the vent if they re too far. The attic fan kept my house cooler by 8f compared to pre fan installation days. Temp 84f at 5pm.

To operate windows in the house are opened and the fan is turned on. The material fills tight hard to reach spaces. During workdays would leave air conditioner off when leaving in the morning. This was observed on numerous days following the installation.

However i am also a big fan of spray foam and yes it does cost more. A number of factors should be taken into consideration when choosing between these two especially the climate zone that you re building in. While covering a given area with spray foam costs more initially than the equivalent amount of mineral wool batting or other insulating materials its ability to fill even tiny spaces completely enables it to provide greater thermal resistance leading to greater energy efficiency and. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Spray foam can be applied to attic ceilings. Radiant barrier sheathing is inexpensive and reflects thermal radiation to keep attic spaces cool. Outside air is then drawn in. After attic fan installation ac still off during day.

Iliving 24 wall mounted exhaust fan automatic shutter variable speed vent fan for home attic shed or garage ventilation 4244 cfm 6200 sqf coverage area 4 4 out of 5 stars 93 232 34 232. Both open and closed cell foams require professional application.