It s not a problem everywhere but the bedrock in some regions produces enough radon for it to concentrate on basements enough to raise the risk of lung cancer.
Roof vent kit installation this old house.
Smaller than the vent.
To mark cutting lines on the soffit make a cardboard template that s 1 in.
Look for nails and seams in the soffit that indicate framing locations and avoid placing vents over the framing.
This old house general contractor tom silva shows how to create a watertight seal around a vent pipe.
If your house doesn t have soffits one solution is to install roof vents near the lower edge of the roof.
Follow this old house online.
The drain lines were 100 re plumbed professionally.
An odorless gas radon is the result of the nuclear decay of naturally occurring uranium in the earth.
The duct is the same size as the head of the vent so it offers excellent ventilation.
How to install a ridge vent in an old house.
It is also flexible and incredibly light which enables easy installation through roof timbers and other structures with minimum disruption.
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The plumber did not install a plumbing stack vent but instead used an aav only.
The kit uses a flexible duct which directly connects the bathroom or kitchen to the ampelair superflow roof vent.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
Even if you live in a warm climate and winter condensation in the attic isn t a concern you still need adequate ventilation to keep moisture down and.
Can there be a build up of explosive gasses.
Continuous or individual soffits.
Roofing on this old house.
Soffit vents are one of the most popular intake vent styles.
The plumbing fixtures worked fine and no signs of the traps getting siphoned.