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Underlay
acts as a buffer or shock absorber between your new carpet
and the hard floor. This extends the life of the
carpet because the damage inflicted by feet & furniture
is transferred to the underlay.
New underlay is
normally guaranteed for the lifetime of a new carpet.
An old underlay may have degraded & might not be suitable
for another new carpet.
The carpet manufacturers
may not guarantee the performance of the new carpet if it has
not been purchased with a new underlay.
Old underlay will be less
comfortable under foot than new underlay. Even thick pile
carpets will not provide underfoot comfort if laid
directly onto hard floors such as floor boards or
concrete.
Old underlay will be more
prone to indentation marks from heavy furniture.
Old underlay will be more
worn in high traffic areas. If you have turned back
the underlay in the corner of a room where there is less
foot traffic, the underlay will be much less worn than in
the centre of the room or under heavy furniture. This
gives the misguided impression that the underlay is
still in good condition.
A good
underlay improves heat & sound insulation. |