|Ungru vant UV,
i.e. wall stones with a natural surface
and sawed 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-vant
stones are with a natural surface; the
edges are broken and the two joint sides
are with a sawed surface.
2.2.The stones are mainly with brownish-yellow
or yellowish-brown tone; occasionally
there may be also bluish-grey tones.
2.3.The selection of colour is not performed.
2.4.The stones leave an image of natural
masonry; the heights of stone layers and
joint thicknesses are unvaried.
2.5.Standard dimensions: row heights
4, 9, 14, 19 and 24 cm; the lengths of
stones vary between 1050 cm (mainly
2040 cm). Thicknesses of stones
are 612 and 1220 cm.
2.6.Material with special dimensions
is also available upon agreement.
2.7.The permitted height tolerance is
+/- 2 mm.
2.8.Thicknesses and lengths of stones
are variable, but remain in predetermined
2.9.Thickness differences of one stone
can be up to 4 cm.
2.10. Length differences of one stone
can be up to 3 cm.
2.11. The ends of stones do not have
to be straight (right-angled), but the
stones may not be rectangular.
2.12. In the extent of 90%, the thicknesses
of the delivered material must remain
in the predetermined thickness range;
the thickness of the edges and ends of
some stones may vary.
UV 4×6/12 (U-vant with 4 cm height
and 612 cm thickness)
UV 9×12/20 (U-vant with 9 cm height
and 1220 cm thickness)
2.14. The stones may not have consistent
cracks (NB! Not to be mistaken for the
grooves of mineral calcite!).
2.15. After installation there may be
some colour changes on the stones (brownish
lines around the stone), which will later
2.16. U-vant 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 so as to compensate for
the installation losses.
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 (NB! Please
make sure to indicate this information
when placing the order!)
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.