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The information in this guide has been prepared to assist specifiers
and installers select the most suitable adhesive for their installation.
As floorcovering manufacturers, in their pursuit of improvements,
introduce changes to their products and ranges, it is not possible
to take account of all these changes.In any installation, site conditions
can vary, and therefore the user must ensure the suitability of
our products by enquiry or the carrying out of appropriate tests.
Installation Requirements
All parts of the installation should comply with the latest edition
of the following:
BS 5325 The Installation of Textile Floorcoverings
BS 8203 The Installation of Resilient Floorcoverings
BS 8102 Protection of buildings against water from the ground
Another useful source of reference is:
The C F A Guide to Contract Flooring.
Subfloor Preparation
Subfloors must be prepared in accordance with the floorcovering
manufacturer's recommendations. Direct to earth bases must incorporate
an effective damp proof membrane. Underfloor heating must be switched
off for 48 hours before and after the installation.
Subfloors should be sound, smooth, clean, dry and free from any
contamination which will affect adhesion. Relative humidity of cementitious
subfloors should be 75% or less (when tested by the method described
in BS 8203). Very absorbent surfaces should be primed with a suitable
sealer.
Suitable subfloors include concrete, sand/cement screed, smoothing
underlayment, plywood, flooring grade chipboard, hardboard, wood
and existing well bonded resilient flooring.
With existing well bonded resilient flooring, care must be taken
to ensure the subfloor under the resilient flooring is sound and
the surface of the resilient flooring is thoroughly cleaned of any
polish etc. If this cannot be done, the existing resilient flooring
must be removed and the subfloor made good before proceeding.
For best results a minimum temperature of 18¡C (65¡F)
should be maintained for the installation.
Adhesive Selection
This guide contains adhesive recommendations for specific floorcoverings
but this does not exclude floorcoverings not listed. For floorcoverings
not listed we recommend the installer speak with the Technical Department
at Morleys or carry out appropriate tests to prove suitability.
Further guidance on the suitability of an adhesive can be found
on the Adhesive Data Sheets.
For releasable bonds, it should be understood that several factors
play an important part in the final bond strength, including: amount
of adhesive applied; porosity of both subfloor and floorcovering,
and whether or not the adhesive is completely dry. Failure to take
take these into account can result in either a permenent bond or
no bond at all.
For permanent bonds, most important considerations after selection
of adhesive are the correct selection of trowel, use of appropriate
open time, and application of either weighted roller or glider to
the installed floorcovering.
For ALL applications, read the label on the tub, read the appropriate
Product Data Sheet and the Health and Safety Data Sheet.
Health and Safety
In accordance with the requirements of Section 6 of the Health and
Safety at Work Act, information is provided for our customers to
ensure (as far as is reasonably practicable) that they can meet
their legal obligations under the Act.
Individual Health and Safety Data Sheets on all of our adhesives
are available on request. Certain Health and Safety information
is also provided on Product Data Sheets and on product labels.
Important Notes
LIMITED WARRANTY - made in lieu of all other warranties, expressed
or implied. Morleys Adhesives are guaranteed against manufacturing
defects. Any goods proven to be defective within 1 year of manufacture
will be replaced or purchase price refunded. MORLEYS LTD will not
be responsible for damages in excess of purchase price.User to decide
suitability of product use.
If there is any doubt over any aspect of any Morley Adhesive, its
use or application please contact: MORLEYS LTD Unit 2, Higher Walton
Mill, Higher Walton, Preston PR5 4DJ
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