UZ, i.e., finishing plates with a sawed
surface and natural edges
1.1.Made of weatherproof Ungru limestone,
which is broken mechanically (without
blasting) from limestone quarries in Ridala
rural municipality, Lääne County.
1.2.Ungru limestone is a mixture of grey
and yellow tones occasionally the
stones may also be in brownish-yellow,
yellowish-brown, bluish-grey and other
tones. The stones are with a layered structure.
Description of the product, dimensions
2.1.The front and back side of U-zeppelin
stones are with sawed surfaces; all edges
are either broken or with a natural surface.
2.2.The stones are multicoloured
with brownish-yellow, yellowish-brown
and bluish-grey tones as well as with
a layered texture.
2.3.The selection of colour is not performed.
2.4.When installing the stones, we get
smooth surface and variable joint width.
The heights of the layers are variable.
2.5.Standard dimensions: row heights
425 cm, the lengths of stones vary
between 1050 cm (mainly 2040
cm). Thicknesses 2 cm, 4 cm and 10 cm.
2.6.Material with special dimensions
is also available upon agreement.
2.7.The heights and lengths of stones
are uneven, but remain in predetermined
2.8.Height differences of one stone can
be up to 3 cm.
2.9.Length differences of one stone can
be up to 3 cm.
2.10. The ends of one stone do not have
to be straight (right-angled), but the
stones may not be rectangular.
2.11. The top surface of the stones is
sawed, the resulting grading may be up
to 1 mm.
UZ 1 (U-zeppelin with 1 cm thickness)
UZ 2 (U-zeppelin with 2 cm thickness)
UZ 4 (U-zeppelin with 4 cm thickness)
UZ 10 (U-zeppelin with 10 cm thickness)
2.13. The stones may not have consistent
cracks (NB! Not to mistake for the grooves
of mineral calcite!).
2.14. After installation there may be
some colour changes on the stones (brownish
lines around the stone), which will later
2.15. U-zeppelin stones are sold by square
metre. The amount of material in one package
may differ from that indicated on the
delivery note +/- 5%.
Information that must be indicated
in an order:
3.2.Place of use either indoors
3.3.We recommend obtaining 1015%
more material to compensate for the installation
Possible places of usage:
4.1.For finishing the plinths and facades
4.2.For finishing fences and walls
4.3.For finishing fireplaces and internal
4.4.For making garden paths (UZ 10) (some
stones may cleave along the layers; this
is not considered a defect)
5.1.We recommend ordering installation
works from Ungru Paekivi OÜ, who
will give a 2-year warranty to both the
material and the installation.
5.2.When performing installation works
yourself, we advise using lime mortar,
which is made of clean (washed) sand and
clean water. We do not recommend using
Portland cement, which may cause the stones
to change their colour.
5.3.Ready-made mortars or mixtures of
adhesive intended for the installation
of natural stones may also be used when
installing the stones.
5.4.Attention should be paid on making
a proper hydroinsulation.