Earthlog Equity Group 4Survival ®
About 4Survival a Subsidiary of Earthlog Equity Group ®
Welcome to our web site Earthlog Equity Group 4Survival ®
and thank you for taking the time to learn more about our firm.
Since 1989, we at Earthlog Equity Group ® have been selling Earth
Sheltered Homes, Log Homes and Building materials.
Strong Pre-engineered
The Shelter Systems are constructed pre-engineered, providing you the
peace of mind of knowing that your shelter will protect you no matter
what.
The Shelter Systems uses a unique, patented technique to ensure that each
shelter can withstand a three-bar blast.
Innovative Construction using the following components :
This overpressure relief valve is critical to creating an overpressure in
the protected space by adding the proper, metered resistance to the
outgoing airflow. The valve is normally closed and will not open unless
the air pressure inside the shelter is slightly greater than the outside air
pressure.
This gives you true ventilation - air in through the Safe Cell and out
through this valve preventing the buildup of carbon dioxide exhaled by
the occupants. Carbon dioxide poisoning will incapacitate and kill the
occupants of an enclosed space without ventilation long before oxygen
deprivation.
This valve can and should be connected to a blast valve to provide
overpressure protection to the outflow vent. We can easily configure
this at the factory for you.
Adjustable Over Pressure Valve
and thank you for taking the time to learn more about our firm.
Since 1989, we at Earthlog Equity Group ® have been selling Earth
Sheltered Homes, Log Homes and Building materials.
Strong Pre-engineered
The Shelter Systems are constructed pre-engineered, providing you the
peace of mind of knowing that your shelter will protect you no matter
what.
The Shelter Systems uses a unique, patented technique to ensure that each
shelter can withstand a three-bar blast.
Innovative Construction using the following components :
This overpressure relief valve is critical to creating an overpressure in
the protected space by adding the proper, metered resistance to the
outgoing airflow. The valve is normally closed and will not open unless
the air pressure inside the shelter is slightly greater than the outside air
pressure.
This gives you true ventilation - air in through the Safe Cell and out
through this valve preventing the buildup of carbon dioxide exhaled by
the occupants. Carbon dioxide poisoning will incapacitate and kill the
occupants of an enclosed space without ventilation long before oxygen
deprivation.
This valve can and should be connected to a blast valve to provide
overpressure protection to the outflow vent. We can easily configure
this at the factory for you.
Adjustable Over Pressure Valve
