I suspect the thinking was the more the better.
Am i allowed to seal my attic in florida.
The typical method for ventilating the attic on an average home is soffit and ridge vent.
Do not use spray foam.
It keeps the wanted and expensive air in your home while blocking the rest out.
I ve read where this disrupts the natural flow up from the soffits due to old turbines and new ridge vent.
Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes.
Sealing attic hatch attic door.
The insulation and air sealing keeps out the radiant heat my interior home temp is fine.
If your insulation is even with or below your attic s floor joists you don t have enough insulation.
It does make the attic cooler but the temp on an 85 degree day still reaches 110 for most of the day.
Look for areas where the insulation is darkened.
Intake vents located at the lowest part of the roof under the eaves allow cool.
To properly seal your attic hatch also known as an attic door or scuttle hole at a minimum you should apply weather stripping and ensure the attic side of the attic door is insulated.
If you don t have enough use a measuring tape to measure the depth of the insulation in your attic.
Even though most of the gaps spilling warm air into your attic are buried under insulation you might be able to find evidence of them.
Its properties make it an excellent choice for attic insulation.
Assuming your attic s insulation is spread evenly throughout your attic here s your rule of thumb.
I am just worried if my roof and shingles will warp since the attic temp is high and the heat remains trapped in the attic.
Seal with silicone caulk.
One of the biggest sources of contention that i regularly deal with during inspections of newer houses is whether or not a sealed attic access panel should be broken to access the attic.
Because it seals directly to the surface it is covering spray foam insulation reduces the need for air sealing tasks such as caulking.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Sealed attic construction by excluding vents to the exterior can be a good way to exclude moisture laden outside air from attic and may offer a more easily constructed alternative for air leakage control at the top of residential buildings.
I come across many homes that originally had soffit venting and wind turbines at the peak but continuous ridge venting was added later during a re roof.
Seal the gap between the flue and metal flashing with special high temperature caulk.
