The effective range of most antennas is lowered by 10 15 miles with an attic installation so you may consider getting a more powerful antenna than you would typically need with an outdoor antenna.
How much signal block from anenna in the attic.
Attic antenna attic mount loss is at least 3 db for a 3 4 inch plywood roof covered with roofing paper and one layer of 3 tab asphalt shingles.
If your house has a tin or steel roof then the attic wouldn t be much of an option.
The only concern with attic mounted antennas is the space available to you for mounting.
Improving an attic shortwave antenna a case study.
Most roofs have asphalt shingles on them which won t appreciably block rf radiation.
The description he gave of his installation revealed several shortcomings that could easily be remedied.
How much loss can be expected.
Is it of the magnitude of reaching only half the distance or is the loss less significant.
Investing in a low noise pre amplifier can also improve the signal levels.
You will need a peak.
The ge 33692 attic mount hd antenna is a notable example of an antenna specially designed for placement in the attic.
Metal backed insulation in the attic or walls and metal exhaust vents and air ducts all block signals.