– Insure that the
heating system is operating correctly and has been turned on for a
minimum of 72 hours. Acclimate the flooring, outside of the box, for a
minimum of 5 days in the living space with the heating system on. Rack
(spread) the flooring over the heated surface to allow proper moisture
balancing. Use Bostik BST adhesive and follow their directions as to
trowel size and application.
Tube Installation –
Consult with the system designed to determine the tube
network layout so you will know where the tubes are before you nail down
the floor. It is best to have the tubing spaced evenly between the
sleepers. You nail the bamboo flooring onto the sleepers at eight-inch
intervals. When the tubing circuits are crossed over the center of a joist
cavity, have the system designer use nail plates to protect the radiant
circuits from being punctured.
Climate Controls –
The following climate controls should be operational
before the bamboo is installed to minimize expansion and contraction
during and after installation:
Mechanical Humidity Control
– The HVAC system should have mechanical humidity control. This will
ensure stable relative humidity levels, thereby keeping the equilibrium
moisture content of the bamboo stable.
Heat Transfer Point Control
– The system designer should install a set point
control that will monitor the bamboo flooring’s temperature. This set
point control should either reduce the system water temperature or
temporarily cycle the system off to prevent over heating the flooring in
case of equipment malfunction.
Exterior Thermostat –
This is recommended to protect the perimeter of the system from
condensation absorption during the spring and fall when rapid temperature
changes may occur.
Moisture Content –
Once the sub-floor, tubing and climate controls have
been installed, the heating system is fully operational and should be run
for a minimum of 72 hours to balance the dwelling’s moisture content.
Follow the Bamboo Installation Instructions for installing the floor,
being careful to monitor the moisture content of the sub-floor and bamboo,
as this will have a profound effect on the end result of the installation.
Do not install the bamboo over green concrete or wet plywood. The bamboo
will pick up the moisture from the wet sub-floor.
Concrete Slab – The
slab should be well aged before installing the bamboo floor. Never install
the bamboo over concrete until the floor heating systems has been used to
remove any residual moisture from the slab. A simple method to determine
the presence of excessive slab moisture is to tape a 4’ x 4’ section of
plastic sheeting to the slab and turn on the heat. If moisture appears
under the plastic, heat the slab for another day. Repeat this test until
no moisture is visible
Plywood Sub-Floor –
Turn on the heating system to acclimate the plywood and bring the room to
the proper relative humidity. Plywood is recommended for sub-floor
material in radiant heat installations. Radiant heat companies do not
recommend particle sub-floors.
The bamboo should be removed from the boxes and
spread out in the room to acclimate to the local conditions. Care should
be taken to not over-dry the flooring. Once the bamboo reaches the desired
moisture content (typically 3 to 5 days), you are now ready to install the