Description
Composition
T-Pren consists of two metal strips connected by a high
quality neoprene expansion joint. The joint is formed on both
sides of the metal during vulcanisation of the neoprene, and
for lead T-Pren Plus a separate cover strip is vulcanised on top
of the neoprene. The strength of the double vulcanised joint
has been proved by the 25 years of service without failure.
Dimensions
T-Pren is supplied in a 400mm wide coil, with a neoprene
centre section with an overall width of 115mm and 4mm
thick. The gauge of the metal sides is 1.2mm for aluminium,
0.6mm for copper, 2.24mm (Code 5) for lead, 0.5mm for
stainless and terne coated stainless, and 0.7mm for zinc. Lead
T-Pren is supplied in 3 metre long coils and the other metals
in 6 metre coils. Lead T-Pren Plus is supplied in 1.5 metre
coils. Other metal gauges and roll lengths are available to
special order.
Weight
The weight of the T-Pren coils is 12kgs for the aluminium,
stainless and terne coated stainless, 15kgs for copper and zinc,
and 25kgs for lead. Lead T-Pren Plus weighs 17kgs.
Appearance
The metals are used in their standard mill finish and so vary
from light grey for aluminium to dark grey for lead. The
neoprene is black and where this might be unsightly, over
parapets or on external gutters, T-Pren Plus can be used or a
cover piece of the matching metal can be clipped over the top.
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