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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 98mm 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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Designed and built by Armoner Ltd