T-Pren was developed to overcome these problems by providing a waterproof expansion joint , which reduces the number of outlets and eliminates the need for steps. T-Pren is a composite material with a centre section of neoprene to provide the expansion and contraction bonded to metal on either side, which is then welded onto sections of the …
BLM Lead T-Pren provides a quick and cost effective solution to this problem where its use as an expansion joint allows the Lead to be laid along the slope of the gutter. BLM Lead T-Pren consists of two 3m long strips of Code 5 Rolled Lead Sheet, double bonded to a neoprene middle section.
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.
Lead T-Pren has been recognised by the Lead Sheet Association for use as described above where it is not possible to alter the structure of a building to accommodate the recommended drips or falls. The Rolled Lead Sheet used in T-Pren Expansion Joints conforms to BS EN 12588. A solution for Lead Lined Gutters Lead T-Pren Expansion Joints 150 m …