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"dpc"

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Level Threshold Approach has Problem Covered

Level Threshold Approach has Problem Covered

Cavity Trays Ltd

The forming of a level threshold would be easy if the designer did not have to consider the prevention of damp ingress. The problem is a number of elements converge at a threshold, and when the threshold is required to be practically level, it can be difficult to bring together protective measures in a manner that promote integrated functionality and structural convenience. A different approach to forming level thresholds is offered by Cavity Trays Ltd. It literally and physically covers the problem. The Type LTT Level Threshold Tray is a three-dimensional preformed DPC that envelops opening masonry skins.
Damp Proofing The Iconic Tower Bridge

Damp Proofing The Iconic Tower Bridge

Newton Waterproofing Systems

Newton Specialist Contractors ASF Waterproofing were called in to investigate why the Bridge Master's Quarters at One Tower Bridge was suffering from damp and proceeded to install multiple Newton products to resolve the issue. ASF installed a new internal damp proof course by injecting Newton 804-DPC into the walls, then sealing with Newton 313-WP, before quickly and easily spraying Newton 103-S as a final barrier to water. Externally, the walls were thoroughly waterproofed with four coats of the flexible, resilient Newton 109-LM. For complete protection, the waterproofing began 1-metre below ground level.
Social Housing & Local Authorities - Dudley Council

Social Housing & Local Authorities - Dudley Council

Tarmac

The Problem:Associated problems caused by damp and flooding are commonplace throughout the UK’s housing stock. Growth of black mould and efflorescence caused by salt transfer can lead to thedelamination of the plaster and there is no simple resolution. Often the only choice left to the housing association or local authority is to remove the original plaster and treat the walls with a Damp Proof Course (DPC), before waiting for it to dry to receive a backing plaster – all at the expense of the landlord or local authority.The Solution: A Modern, Lightweight Renovating Plaster:Limelite Renovating Plaster solves all of these problems. Firstly, it can be applied to damp walls, saving an enormous amount of money for time that would be otherwise spent waiting for the walls to dry out – it effectively controls dampness passing through walls, as well as providing a barrier against salt transfer – ultimately allowing the substrate to dry naturally. Secondly, and crucially, Limelite Renovating Plaster will withstand damp issues caused by future events, which may be likely in properties susceptible to damp and flooding.Thirdly the Limelite plaster system offers Thermal Insulation by drying the walls rapidly, reducing loss of heat and insulating the internal walls to meet modern day standardsThermal Conductivity, λ10,dry,mat, P=50% = 0.17W/m.KThermal Conductivity (k) at 0% moisture = 0.13W/m.KAnother benefit with Limelite plasters for internal use is their fire resistance/protection as a non-combustible product (as defined by BS476:Part 4) which can be assigned Class O in accordance with the requirements of the National Building Regulations and Reaction to Fire = Euroclass A1 Making the Difference for Local Authorities Dudley Council in the West Midlands is among the many local authorities that specify the use of Limelite Renovating Plaster when tackling such issues in social housing.“Where a renovating plaster is required we use the original and proven, Limelite” said Andy Pratt, Specification and Design Manager for Dudley Council, which has been specified by the council for over 40 years.Where existing plaster is sound, a small area of plaster is removed and replaced with Limelite.In more severe cases where the existing plaster is unsound, all plaster is removed and the wall is treated with a DPC before Limelite Renovating Plaster is applied. Limelite Renovating Plaster is also used for patch repairs in areas such as window reveals, where again the damaged plaster is removed and replaced with Limelite.A BBA Approved SystemLimelite Renovating Plaster is a BBA approved solution, when used as the backing plaster in a 2-part system, finished with our High Impact Finishing Plaster - a hard, durable finishing plaster that produces a Grade D impact resistant surface.
Hull City Council, Hull

Hull City Council, Hull

K Systems Insulated Facades

Providing the solution for EWI retrofit on non-traditional build housingHaving successfully completing the previous 2 phases, K Systems were approached to provide a specification for EWI installation onto two non-traditional build housing types: 5M and Caspon. Both archetypes are of timber frame construction with single skin brick infills at ground level and a mixture of hanging tiles or cladding on upper floors. Typical of non-traditional build housing, the technical team at K Systems had to pay particular attention to bespoke detailing to derive a suitable EWI solution to meet the client’s requirements.The hanging tiles and cladding were removed from the upper floor(s) and replaced with timber sheathing boards to allow for a uniform aesthetic and a striking contemporary finish.Delivering a robust, safe and aesthetic system solution to meet the project requirementsHull City Council wanted to improve the thermal efficiency of their housing stock whilst provide a durable and more contemporary aesthetic look for the project. A combination of K Systems M Silicone and K Systems M VBriQ was used to achieve a u-value of 0.28 using varying thicknesses of A1 non-combustible mineral wool (80mm to 150mm) to adapt to the variety of substrates typical of non-traditional build housing. The combination of acrylic brick slips and polymer enhanced silicone topcoats achieved an appearance that is durable and elevated the dated look of the estate to a more modern feel. Our team worked extensively with the appointed architect preparing bespoke detailed drawings for the various archetypes, particularly transitions between the brick and timber substrates, cills, verges, rooflines, gas boxes and below DPC. Weekly demand planning meetings ensured timely delivery of materials to the appointed contractor.We ensured the correct fixings were specifiedK Systems commissioned pull-out tests to determine the optimum fixings and washers to be used to anchor the EWI system to the different substrates. A combination of hammer fixings and screw fixings were specified.

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