Purposes:grunnventilering web
The purpose of the system is to facilitate, in order to create a negative pressure in the ground under the sole in order to reduce the possibility of infection by radonholdig jordgass in the environment. Suppressed can be created as a passive or active mechanical solution.

Because passive venting:
A perforated pipe system established under sole with a oppstikk through the concrete floor. From oppstikk used a fixed vertical pipes with the airing of takhette. A natural buoyancy will draw radonholdig jordluft up through the system.

Active basic ventilation:
Equivalent system referred to above, but with a separate mechanical fan connected to the pipe which actively helps to suck the air from the ground. Can be used if the reason is radonpotensialet high.

Designed utility per package: about 40 m2

Content:
-1 x Ø50mm drensrør coil perforated à 25 m
-1 tube x 1 m Ø75mm w/muff
-PP 75x75 88 ° branch takeoff duct/3 muffles
-Bend x 88 ° Ø75mm
-Skjøtemuffe 83/100
-Cap Ø75mm for muff

Drensrør Ø50mm. The rehabilitation of housing where there is limited space for pipes in the ground and thin membrane layer with crushed stone 5-10 cm.

The package contains all the necessary components needed to create a complete system covering stated areale. Please note that this applies to a square or rectangular fields. In more complex designs, in typical rehabilitation situations, need be changed.

Mounting Method:
-Drain wires in coils in the layer under layer of crushed stone ground insulation and screeds.
-It is about 2 m distance between the coils and approximately ½-1 m on the inside of the exterior wall.
-Drain wires attached with perforation of facing down towards the ground.
-Add up to a oppstikk through the concrete floors for any further vertical pipes.
-Oppstikket to forblendes thorough if not complemented with yield above the roof.
Components can be easily connected with several packages in order to cover the area you need.

Sketch of illustrations:

Grunnventilering