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Shakes - During the growth cycle and
sometimes during kiln drying, stress is
applied to the tree or boards, this can result
in splits known as Shakes developing.
Sika Primer MB – A liquid applied damp
proof membrane suitable for use with
Sika T54.
Sika Silent Layer Mat – 3mm deep
underlay mat with pre-determined slots for
ease of application of Sika T52 adhesive.
Also used for sound reducing properties.
Sika T52 – Supplied in a ‘sausage’ for
application by ‘caulking gun’ - bonding
glue for use with Sika Silent Layer Mat.
Sika T54 – A trowel applied elastic
adhesive specifically suitable for gluing
down timber floors.
Shrinkage – In timber boards, shrinkage
may be experienced when the moisture
content of a board drops. Shrinkage occurs
in the width of the board, not it’s length.
Spontaneous Combustion – When
exposed to air, oil soaked rags etc. may
smoulder and ignite!
Substrates – The surface on to which the
wood is being fitted.
Tongue and Groove – Floorboards are
carefully machined to provide a tongue
and a groove in each, so that the tongue of
one board can fit snugly in to the groove
of the previously laid board. In solid timber
joins of this type are considered
structurally sound.
Underfloor Heating – Wet or electric forms
of heating which are buried in a floor
screed and which must not be operated
above 26ºC.
Unsealed Wood – Sanded and brushed
but with no sealers applied. No sanding
required when fitted.
Visqueen – A polythene sheet used as a
control for moisture.
WBP Plywood – Minimum 12mm used for
subfloor preparation. Dimensionally stable
and water and boil proof.
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Useful Numbers
UK Sales 0845 366 0400
Export Sales +44 (0)1295 814316
Installations 01295 814310
Technical 01295 814271
Home Deliveries 01295 814313
Customer Care 01295 814396
Disclaimer
The specifications and technical information
given in this publication are intended for
guidance and although they are to the best
of our knowledge correct, they are given
without warranty.
We cannot accept any responsibility for reliance
placed upon the advice contained herein since
practical expertise and site conditions are
outside of our control. Neither do we accept
liability for the performance of the product
arising from such use. This does not affect
your statutory rights.
Finishing Trims – A timber strip or quadrant
which is fixed to the skirting board and
used to mask the expansion joints, or a
variety of boards shaped specifically to
cover gaps or make up height variances.
Floating Floor – Flooring which is not fixed
to the structural floor surface.
Fully Bonded System – The wood boards
are fixed down onto a combed out bed
of adhesive.
Grades – Wood from a tree is hand sorted
to produce floors which show natural
characteristics of the growing tree. Fired
Earth Select uses the cleanest of the
wood followed by Nature then Rustic
which has many more knots etc. and
Character which uses all structurally
sound timber with minimum waste from
the tree. There are no accepted standards
within the industry so understand fully
the system used by the company from
which you are buying the wood.
Hardwood – Hardwearing wood from
broadleaved trees.
Hygrometer - An instrument for
measuring humidity.
Hygroscopic – The ability / tendency to
absorb or lose moisture into the air.
Knots – A natural figure in the grain of the
wood as a result of a growing branch.
Mineral Streaks – Olive or greyish markings
caused by environmental factors such as
trace elements in the water or soil.
Moisture Content - A means of identifying
the amount of moisture within a material –
a vital check prior to the installation of a
wood floor.
Moisture Meter – An instrument used to
measure the amount of moisture (water)
in a material. Fired Earth recommends
Protimeter’s MMS meter.
Normal Living Temperature and Humidity –
The normal temperature and humidity
expected in the room/s during normal
occupation.
Porta Nailer – A specific tool used for
secret nailing. Added advantage of pushing
boards together to provide a closer fit.
Relative Humidity – The amount of
moisture contained in the air.
Sand and Cement Screed – A structural
surface made from a mix of sand and
cement. Most screeds contain an amount
of moisture so a DPM is normally advisable
when fitting timber over these substrates.
Sapwood and Heartwood - The centre of
the tree is known as heartwood and the
outside is known as sapwood.
Sealing – Applying an appropriate oil based
material to the wood to provide protection
and colour.
Secret Nail – Driving a nail at 45 degrees
through the board into the substrate just
above the tongue of the board. The nail
head is hidden when the next board is fitted.