October 2019
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third to half the price. This is partly because of<br />
the high coverage rates of Edgemere, with just<br />
9.7 tiles per m², compared to around 13.4 per m²<br />
for fibre cement slates and as high as 18 per m²<br />
for natural slate. This also has an impact on<br />
labour time and cost.<br />
Ease of installation<br />
Natural slates are double lapped and need to be<br />
installed by highly skilled roofers with many years<br />
of experience. However, as a single lap<br />
interlocking tile, our Edgemere slates are very<br />
quick and easy to install, require no specialist<br />
slating skills and can be fitted by any roofer. They<br />
do need to be fixed to BS 5534 but, by using a<br />
SoloFix one-piece clip and nail, you can reduce<br />
clipping time by around 30%.<br />
graduating to smaller and thinner slates towards<br />
the apex. This requires time, skill and experience.<br />
However, Edgemere slates are uniform in size, so<br />
they can be used straight from the pallet with no<br />
sorting time and without years of roofing<br />
expertise. This consistency also makes them<br />
much easier to install, as the slates simply<br />
interlock together.<br />
down to a low minimum pitch of 17.5 degrees<br />
means it has less limitations than natural slate<br />
and it has the versatility to be used on a wide<br />
range of projects in any geographical area (when<br />
fixed according to BS 5534). It can also be<br />
installed using standardised and uniform<br />
supports, which means that its weight loading is<br />
more predictable.<br />
As contractors continue to face growing skills and<br />
cost challenges, Edgemere interlocking concrete<br />
slates offer the positives of natural slate with none<br />
of the negatives – like being in your favourite beer<br />
garden without the wasps! All of the Edgemere<br />
slates are also available to purchase as part of a<br />
complete Marley roof system, including battens,<br />
underlay, fixings and accessories, all backed up by<br />
a 15-year guarantee.<br />
Consistency<br />
The variation of thickness of natural slates means<br />
they require extensive sorting on site. The thickest<br />
and biggest slates are used for lower courses,<br />
Lower minimum pitch<br />
In low pitch projects, natural slate can be limited<br />
by geography because driving rain has to be<br />
considered. The fact that Edgemere can be used<br />
Contact Marley<br />
01283 722588<br />
www.marley.co.uk/slates<br />
@MarleyLtd<br />
The positives of slate.<br />
With none of the negatives.<br />
EDGEMERE INTERLOCKING CONCRETE SLATES<br />
Take the sting out of slate. Find out more at marley.co.uk/slates<br />
OCTOBER <strong>2019</strong> TC 25
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