Could Altitude Clause In BS5534 Leave Contractors High And Dry?
While much is being made by various underlay manufacturers and suppliers of achieving BS5534:2014 compliance, the picture may not be quite so straightforward. This especially matters when you consider that a key part of the revised standard refers to altitudes not greater than 100m – and that large areas of the UK are at often […]
While much is being made by various underlay manufacturers and suppliers of achieving BS5534:2014 compliance, the picture may not be quite so straightforward.
This especially matters when you consider that a key part of the revised standard refers to altitudes not greater than 100m – and that large areas of the UK are at often surprising heights above sea level.
For example, one might expect parts of Cumbria, Wales and Scotland to exceed that benchmark – but how about parts of Essex, Surrey, Nottinghamshire and Northern Ireland? Could this factor expose some unsuspecting developers and contractors to falling short of the code – and therefore potentially liable in any insurance claims? Fortunately, however, there are products which allow unrestricted use anywhere in the UK, in all building characteristics and under all site conditions. These come from a name well-known for over 25 years for proven quality, durability and service: DuPont™ Tyvek®. All three BBA approved underlays in the group: DuPont™ Tyvek® Supro, DuPont™ Tyvek® Supro Plus (with integral tape) and DuPont™ Tyvek® Enercor roof offer unrestricted application when tested in accordance with BS5534:2014 – and with no counter battens required in any zone. This allows contractors to be confident that they in are full compliance, not only with the code, but with the weathering and thermal performance expectations of an advanced breather membrane. For more information, visit www.construction.tyvek.com and expert technical assistance is available on (T) 01275 337 660, option 2 (in NI and ROI please call: 087 922 2740).
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