September 2019

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Construction Tapes TALE OF THE TAPE: SEAL THE DEAL Construction tapes: accessories or essentials? The experts at A. Proctor Group discuss... The phrase “a chain is only as strong as its weakest link” is completely appropriate to use when describing a building envelope that is designed for longevity and constructed with integrity. Considering the small format size and the total relative amounts used on a building site compared to other building materials, the importance of construction tapes are easily overlooked. Often classified as an accessory, tapes can mistakenly be thought of as an optional, interchangeable or a “nice-to-have-but-notnecessary” item. In fact, because tapes are used for things like sealing the connections between insulation boards and building membranes – arguably the weakest points of any building envelope – tapes should be thought of as an indispensable component of the total building system. Uncontrolled air movement through poorly sealed or punctured membranes and gaps between rigid insulation boards reduces the energy performance and internal comfort of new and refurbished buildings alike. Whether or not the building uses the highest specification membranes and modern insulation may not matter if air leakage pathways are not properly sealed off. Heat will simply bypass these materials and their energy and thermal benefits will not be fully realised as a result. Not all tapes are created equal If remembering to include tape into a construction specification is important, then making sure to choose the right tape for the job is absolutely essential. Construction tapes should complement the performance of the system they support, be strong enough for the job, adhere well to the specific surface they are applied to, and tolerate the shortand long-term environmental conditions of the building site without substantial loss of function. Choosing the right tape for the application can make the difference between success and failure of a building system. Ideally, there would be one product that could be used in all areas of a building site that requires tape. Unfortunately, there isn’t a single tape solution that is practically or technically viable to do every kind of taping job well. This means the contractor will have to be knowledgeable of the role tape plays in many different taping scenarios. Some of the questions contractors should ask when deciding on which tape to use can generally be grouped into two categories: “What is the function of the tape?” • Sealing gaps? Fixing other materials temporarily or permanently? • Does the tape need to be airtight, breathable or reflective? • Does the tape need to be reinforced, transparent or flexible? • Which material edges are being sealed i.e. do you need single-sided or double-sided tape? “Where is the tape being used?” • Will the tape adhere to the substrate? Is a primer required? • What is the expected working temperature and humidity range? • Does the tape need to have water or UV resistance? • Does the tape need to be solvent or VOC-free (i.e. interior applications)? Tape System Component Collection: With so many options out there, it is handy to have a collection of high-performance tapes all in one place. To enable contractors meet the guidelines set out in Building Regulation documents and help them A Proctor offers a range of tapes. make the right decisions regarding tapes, the A. Proctor Group supplies a wide range of tapes that complement building envelope systems. Designed specifically in response to the evolving demands of the industry, their collection of construction tapes ensures the performance, resistance and reliability of the full gamut of internal and external construction systems. • Wraptite Tape: Vapour permeable and airtight for external membrane detailing and sealing the exposed joints of rigid insulation. • Flextite Tape: Scrim-reinforced elastic tape for internal and external applications with high adhesive strength, water resistance and UVstability. • Procheck Multilap Tape: Solvent-free scrimreinforced double-sided vapour barrier tape with easy release liner and high adhesive coating weight (can bond to rough surfaces). • Reflectafoil Tape: Air- and vapour-tight flameretardant 30um aluminium foil tape used for sealing joints in vapour control layers, especially lowemissivity membranes. • Façadeshield UV Tape: A permanently UVresistant, tear resistant exterior membrane with a matte black finish making it ideal for use behind open cladding and façades. Contact A. Proctor Group 01250 872 261 www.proctorgroup.com @proctorgroup 82 TC SEPTEMBER <strong>2019</strong>
Insulation Your technology is getting thinner... ...so why shouldn’t your insulation? The Kingspan Kooltherm ® K100 range of products feature an advanced, fibre–free insulation core, with an outstanding thermal conductivity of 0.018 W/m·K. As a result, the products can enable buildings to be built to the upper levels of fabric performance with minimal thickness. Find out more at: www.kingspaninsulation.co.uk/k100 Further information on the Kingspan range is available on: +44 (0) 1544 387 384 literature@kingspaninsulation.co.uk www.kingspaninsulation.co.uk Pembridge, Leominster, Herefordshire HR6 9LA, UK ® Kingspan, Kooltherm and the Lion Device are Registered Trademarks of the Kingspan Group plc in the UK and other countries. All rights reserved.
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September 2019

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