Express, very strong and
guarantee exceptional durability! So
in a few words you can define Baumit Rapido 1 Speed - an instant cement floor that
allows you to quickly make all kinds of floor underlays, and can also be used
as a final floor layer. And if
the priority is not extra speed and / or very high strength, you can use other
ready cement foundations from the Baumit offer, which also significantly
accelerate the implementation of works and guarantee very good and stable
properties.
Preparation of the
substrate
The method of preparing
the substrate depends on the construction system that we apply to the floor
underlay / floor being made. However,
always the substrate must be sufficiently strong and stable and free from loose
fragments. It is necessary to
ensure proper separation (expansion joints) from walls and other elements (eg
poles) located in the room, arranging, for example, dilatation tape, special
profiles or using thin polystyrene foam strips.
Complex foundation
(bonded to the ground)
It is carried out
directly on a load-bearing structural foundation. The key is to ensure a permanent connection to the
ground through a primer or adhesion layer. All
contamination and layers that may weaken adhesion should be removed. Properly prepared, cleaned and
vacuumed substrate should be thoroughly primed with a suitable preparation.
Foundation not
associated with the substrate (on the separating layer)
The solution is used in
the case of substrates of poor quality (low strength, difficult to remove
impurities, eg oiling) and when it is difficult to ensure adequate adhesion. The floor underlay is separated from
the ground by, for example, PE foil with a suitable thickness, e.g. 0.2 mm . On
substrates exposed to moisture, separating layer may be moisture insulation.
Floating foundation on
insulation (thermal / acoustic) and underfloor heating
This primer is separated
from the substrate by a layer of insulation (EPS boards, extruded polystyrene
XPS or mineral wool, acoustic mats). In
the case of this solution, it is necessary to use specially designed (with
appropriate hardness) boards made of expanded polystyrene or wool and to ensure
thorough insulation on the whole surface. It
allows to obtain the expected parameters of thermal and / or acoustic
insulation. In case when the
floor underlay additionally fulfills the function of space heating, the water
(heating pipes) or electric installation (wires or mats) installed therein is
used.
Regardless of the
construction system, Baumit ready floor underlays can be used in any of the
solutions described above. They
can be used not only inside but also outdoors. Additionally, they are perfect for
both dry and wet and wet places (eg swimming pools, baths, industrial
kitchens).
Minimum thickness when
using the Baumit Rapido 1 Speed light floor:
ground related primer: ≥ 10 mm (on tack coat)
primer on the separating
layer: ≥ 35 mm
underlay on thermal /
acoustic insulation: ≥ 40 mm
underfloor underfloor: ≥ 45 mm + d *
d * - thickness of
heating elements
Drying speed of Baumit
Rapido 1 Speed floor
Drying speed of Baumit
Rapido 1 Speed floor
Residual moisture
content over time, results were obtained at approx. 20oC and 65% humidity.
Before laying the
cladding, eg PVC, the parquet should be tested with humidity (CM method).
Execution of works
Laying dilatation
Laying dilatation
The substrate must be
load-bearing, hard, stable, dry and free from impurities that impair adhesion. It is necessary to check the
deviations of the substrate from the assumed level, ie perform leveling using,
for example, a leveler or a laser level. When
determining the upper level, take into account the recommended minimum
thickness of the undercoat as well as the thickness of all layers that will be
laid on it.
In addition to the peripheral
dilatations mentioned earlier (and the separation of the foundation, among
others from poles or stairs), it is also necessary to make expansion joints
between the rooms.
Note: perimeter
expansion joints must be of appropriate thickness (usually 1 cm, for example ). It
should also be remembered to transfer
(reconstruct) the structural dilatation existing in the ground.
Proper care
The freshly laid
foundation should be protected against exposure to high temperatures, direct
sunlight, low air humidity and drafts. To
ensure optimal binding and maturing conditions, a freshly made surface is
recommended to be protected from too rapid drying by, for example, sprinkling
with water and covering with foil. Uneven
binding and drying of the mortar can lead to scratches and delamination.
Priming
Priming
With complex layers,
thoroughly vacuum the substrate and prime with Baumit Grund or Baumit Super
Grund (depending on the absorbency of the substrate). Leave the primed surface to dry. For thinner layers of primers, i.e.
from 1 to 3 cm , the so-calledsludging the substrate using Baumit Connect and laying the primer on a fresh
bonding layer ("wet on wet" method).
In the case of
foundations on the insulation, after preparing and leveling the substrate, a thermal
/ acoustic insulation layer should be laid, followed by a construction foil
(minimum 10 cm overlap) with a curvature on the
walls.
Laying the mortar
Laying the mortar
The floor foundation
should be laid on the ground immediately after preparation. The mortar should be removed with a
patch that is slid over pre-arranged guides (eg metal direction strips). It should be ensured that the
thickness of the undercoat in any place is not less than that recommended for a
given product and construction system. For
a better spreading and compacting of the undercoat, you can apply a spin with a
patch. After laying and leveling
the foundation, the guides should be removed, filled with mortar and smoothed /
trowelled or used with power trowels. With
the planned finishing ceramic tiles, we can omit the scuffing of the undercoat.
Preparation of the
mortar
Use clean water and
observe the recommended amount of mixing water! Adding more water than recommended
amountweakens the strength of the floor / undercoat, extends the drying time,
may cause the formation of "cement milk" on the surface and result in
increased shrinkage and cracking of the undercoat.
Ready underlay / Laying
carpets
Ready underlay / Laying
carpets
Pedestrian traffic is
possible after a time depending on the underlay used. For Rapido 1 Speed after approx. 3 hours. Laying of floor coverings can be
started after a time depending on the type and thickness of the foundation as
well as temperature and humidity. If
Rapido 1 Speed is used, the cladding
can be laid after 24 hours.
List of Baumit sleeper /
screed parameters
List of Baumit sleeper /
screed parameters
List of Baumit sleeper /
screed parameters
A wide range of
applications
Baumit cementitious
primers are perfectly suited for any finishing materials, eg ceramic tiles,
stone, carpet, PVC *, cork, panels and wooden floors, eg parquet.
(* - before laying PVC
thin-layer flooring, it is recommended to apply a smoothing layer to the
underlay, eg from Baumit Nivello 10 or Nivello Quattro).
The Baumit Rapido 1
Speed instant floor can be
successfully used also for large format and exotic parquet flooring, as well as
resin coatings and floors. Thanks to fast binding and drying, it is
irreplaceable also for quick renovations and places where short time of work is
important. Due to the high
abrasion resistance Rapido 1 Speed can also be the final floor layer.
Cement screeds (screeds)
Baumit are also designed to form inheritances allowing for the formation of
ramps and leveling thresholds.
The products are
resistant to temperature changes, which allows them to be used in systems with
underfloor heating. In addition,
they are frost-resistant and are ideal as primers for use on terraces and
balconies.
Contractors looking for a
proven and effective solution will probably also appreciate the fact that
Baumit primers are designed for both manual and machine placement. They can be used in both residential
and public buildings as well as warehouses and industrial facilities.
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