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Important new roofing guidance on building and installing spandrel panels which is endorsed by the NHBC is published this week by the Trussed Rafter Association (TRA). Home. 0000002048 00000 n
TECHNICAL GUIDANCE6XXX7..12//225 - 2015 - 5 - Nov 2017 2014 page 4 of 9 NHBC NHBC House, Davy Avenue, Knowlhill, Milton Keynes, Bucks MK5 8FP Tel: 0344 633 1000 Fax: 01908 747 255 www . 0000039892 00000 n
NHBC Risk Guide Spandrel Panels (Revised May 2020) (Refer to NHBC Technical Guidance 7.2/25, Technical Extra 23 and Trussed Rafter Association Guidance) . 0000034930 00000 n
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6.1 External masonry walls 6.2 External timber framed walls 6.3 Internal walls 6.4 Timber and concrete upper floors 6.5 Steelwork 6.6 Staircases 6.7 Doors, windows and glazing 6.8 Fireplaces, chimneys and flues 6.9 Curtain walling and cladding 6.10 Light steel framed walls and floors. Spandrel Panels Context Around 8000 sites surveyed Approx. 0000032183 00000 n
Important new roofing guidance on building and installing spandrel panels which is endorsed by the NHBC is published this week by the Trussed Rafter Association (TRA). Jonathan Fellingham, chairman of the TRA, said: As the use of pre-manufactured components and offsite construction grows in popularity, housebuilders are increasingly turning to spandrel panels. Important new roofing guidance endorsed by the NHBC has been published by the Trussed Rafter Association (TRA), designed to reduce the risks, costs and waste. 0000039820 00000 n
Curtain walling and cladding systems that do not conform to the descriptions in this chapter will not generally be acceptable. NHBC - How to build compliant Spandrel Panels. %PDF-1.4
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Using spandrel panels as the gable construction in a timber frame building, or as a continuation of the internal skin of a masonry cavity wall, means the panels must be designed to resist wind loadings acting on the end walls as well as loads applied by the claddings. Weathering details and fixings, 2.1 The Standards and Technical Requirements, 3.2.6 Rendering, plastering and screeding, 3.3 Timber preservation (natural solid timber), 4.1 Land quality managing ground conditions, 4.1.2 Initial Assessment desk study (all sites), 4.1.3 Initial Assessment walkover survey (all sites), 4.1.5 Basic Investigation (sites where hazards are not identified or suspected), 4.1.6 Detailed Investigation (sites where hazards are identified or suspected), 4.1.7 Managing the risks (sites where hazards are found), 4.2.4 The effects of trees on shrinkable soils, 4.2.8 Design and construction of foundations in shrinkable soils, 4.2.9 Foundation depths for specific conditions in shrinkable soils, 4.3.8 Sloping ground and stepped foundations, 4.4 Raft, pile, pier and beam foundations, 4.5 Vibratory ground improvement techniques, 4.5.4 Confirmation of suitability for treatment, 4.5.6 Compatibility of the ground, design and treatment, 4.5.12 Verification of completed treatment, 5 Substructure, Ground Floors, Drainage and Basements, 5.1 Substructure and ground-bearing floors, 5.1.18 Laying the ground-bearing floor slab, 5.2.7 Construction of suspended concrete ground floors, 5.2.9 Thermal insulation and cold bridging, 5.3.7 Design to avoid damage and blockages, 5.4 Waterproofing of basements and other below ground structures, 6.1.18 Wall ties and bed joint reinforcements, 6.1.20 Protection of the works during construction, 6.3.3 Supporting load-bearing internal walls, 6.3.8 Partitions: internal non load-bearing, 6.3.10 Construction of steel framed partitions, 6.3.11 Construction of proprietary systems, 6.4.6 In-situ concrete floors and concreting, 6.4.11 Joists supported by intermediate walls, 6.4.20 Floating floors or floors between homes, 6.6.12 Staircases made from timber and wood-based products, 6.8.3 Solid fuel fireplaces and hearths, 6.9.11 Electrical continuity and earth bonding, 6.9.19 Insulated render and brick slip cladding, 6.10.4 Structural design of load-bearing floors and walls, 6.10.10 Construction of load-bearing walls and external infill walls, 6.10.12 Fixing floor decking and ceilings, 6.10.20 Cladding, lining and sheathing boards, 7.1.3 Flat roof, terrace and balcony general design, 7.1.5 Flat roof, terrace and balcony structural design, 7.1.8 Profiled self-supporting metal decks, 7.1.9 Profiled self-supporting metal roofing, 7.1.10 Thermal insulation and vapour control, 7.1.11 Waterproofing layer and surface treatments, 7.1.12 Green and biodiverse (brown roofs) including roof gardens, 7.1.16 Accessible thresholds and upstands, 7.1.17 Parapets and guarding to terraces and balconies, 7.2.10 Strutting for attic trusses and cut roofs that form a floor, 7.2.15 Ventilation, vapour control and insulation, 8.1.7 Electrical services and installations, 8.2.11 Electrical installation requirements, 8.2.12 Pipes, insulation and protection from cold, 8.3 Mechanical ventilation with heat recovery, 9.1.7 Ceramic, concrete, terrazzo and similar tile finishes, 9.3.5 Ceramic, concrete, terrazzo and similar tile finishes, 9.4.3 General provisions cupboards and fitments, 9.4.6 Airing cupboards, cupboards, worktops and fitments, 9.4.7 Ironmongery, prefabricated items and other materials, 9.5.4 Conditions for painting and decorating, 10.1.10 Permanent prefabricated garages and carports, 10.2.4 Freestanding walls and retaining structures, 10.2.8 Garden areas within 3m of the home. 0000029437 00000 n
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We are asked occasionally whether it is really necessary to continue the separating wall construction up . Spandrel Panels. NHBC Accepted - Ultrapanel is the innovative new concept in customisable roofing technology and the only full height 'room in the roof' system BBA Certified to comply with Building Regulations for assured fire, weathertight, thermal and structural performance. Gable wall spandrel panels are an offsite manufactured product. Spandrel panels that comply with guidance from the Structural Timber Association or the Trussed Rafter Association will generally be acceptable to NHBC. 0000017197 00000 n
(England) and 100mm thick TECHNICAL. Wall ties should: 0000031688 00000 n
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Includes:Guarding openable windows with low cills; fire protection for proprietary dummy chimneys; weep holes in masonry walls. of UK financial services regulation. Tel: 0344 633 1000 Fax: 01908 747 255 www.nhbc.co.uk QUESTION ANSWER Spandrel panels are generally factory-made, transported to site in one or more sections, and craned into position on to timber framed or masonry support walls. nhbc technical guidance spandrel panels to cold roofs 7.2/25 jan2018 (first issue) gable panel for masonry wall gable panel. We've produced a range of downloads with the latest technical advice on spandrel and gable panels. of a single-skin cladding solution for spandrel panels. 0000007781 00000 n
by. 7.2.24 Spandrel panels Spandrel panels shall provide satisfactory performance. Trussed roof manufacturers report increasing interest in these offsite components, especially from large and volume housebuilders building low-rise housing and apartments. 0000027388 00000 n
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We produce Technical Extra to provide you with detailed updates to NHBC Standards, Building Regulations compliance and current best practice guidance. 0000034089 00000 n
Authority and regulated by the Financial Conduct Authority and the Prudential 0000043130 00000 n
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NHBC - How to build compliant Spandrel Panels. The roofing guide now has a page featuring fermacell Gypsum Fibreboard as an example of how single-skin cladding can replace two sheets of . 0000056876 00000 n
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A Technical guidance on spandrel panels and gable wall installation. An example of the superseded HB 353B form An example of the current HB 2445 form Extending on part of the theme of our last Top Tip - the separating element acting as a 'barrier' to the passage of sound - it is worth remembering the importance of continuing the 'barrier' through roof voids. 0000024144 00000 n
Includes:Our annual claims review | Key issues around designing, manufacturing and installing windows | Good practice topics | Summary of NHBC Foundation reports. 0000031380 00000 n
NHBC TECHNICAL GUIDANCE - Spandrel Panels to Cold Roofs Click here to access the document in full. 0000013970 00000 n
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please see our website nhbc.co.uk or your NHBC product documentation. 0000029763 00000 n
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They provide an ideal solution to the skills shortages in housebuilding and roofing, and they help to improve safety on site, as they require less time working at height. Copyright 2023 Trussed Rafter Association. please see our website nhbc.co.uk or your NHBC product documentation. 0000025914 00000 n
Authority and regulated by the Financial Conduct Authority and the Prudential 0000001889 00000 n
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Note that only certain parts of NHBC's products and services are within the scope Factors to be taken into account when designing and installing spandrel panels over party walls and gable walls with cold roof voids. 0000033784 00000 n
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We discuss the use of spandrel panels, and the range of guidance available, in this edition of Technical Extra. How Does A Difference In Cultural Contexts Affect Communication? 0000042133 00000 n
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Identification of 'coastal' sites Identification of more exposed 'coastal' sites is not as straightforward as it might seem. 0000005013 00000 n
Home. 0000036835 00000 n
In a recent NHBC survey of 8,000 new homes sites, about 17% were already using spandrel panels. 0000039814 00000 n
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Technical Training - Pitched roof coverings 2. Spandrel panels that comply with guidance from the Structural Timber Association . Builders' Book - An illustrated guide to building energy efficient homes, Builders' Book - An introductory guide to thermal bridging in homes, NHBC 3D Model - VDPC to flat/mono pitched roofs, NHBC Animation - Stepped cavity tray installation process, NHBC Risk Guide - Spandrel panels to cold roof spaces, Technical Extra 04 - Fixing requirements for guttering and fascia's, Technical Extra 04 - Tiling battens to pitched roofs, Technical Extra 05 - Introducing 2012 Chapter 7.2, Technical Extra 06 - Vapour permeable roof underlays, Technical Extra 07 - Pitched roofs and the importance of the correct detailing and specification, Technical Extra 07 - The Construction Glassfibre Manufacturers Association, Technical Extra 09 - Roof tiling. 0000040277 00000 n
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The main points to be aware of are as follows: The minimum build up of blockwork below panel on traditional build must be 300mm but must always be higher than the top of the insulation. Includes: NHBC Standards 2018 - Whats New, Guidance and good practice for CQRs, Drainage under suspended floors, Spandrel panels, NHBC Foundation and Fibres in structural floor toppings. For more information on our products and services, A Technical guidance on spandrel panels and gable wall installation. 0000025300 00000 n
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company number 00320784. 0000038742 00000 n
The TRA and NHBC will also be providing further updates on gable detailing later this year. 0000031802 00000 n
Approved Document B states: Combustible thermal break materials should be limited in size to the minimum required to restrict the thermal bridging. 0000011042 00000 n
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a solar panel attached to an external wall. 0000040205 00000 n
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Learn more at: www . 0000032535 00000 n
The TRA and NHBC will also be providing further updates on gable detailing later this year. 0000031041 00000 n
Gable wall spandrel panels page 03 2 Structural considerations This guide provides information in relation to single leaf gable wall spandrel panels supported on the inner leaf of a masonry cavity gable wall. To help you interpret and apply the NHBC Standards we produce the following Technical Guidance Documents. Get in touch with our qualified, highly-skilled team today to find . For more information or to discuss how this new NHBC Technical Guidance may affect your build, please call our Design team on 01933 279597. 5aR
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Includes:Pitched roofs, protecting steel from corrosion and new MVHR standards. 0000033402 00000 n
Factors to be taken into account when designing and installing spandrel panels over party walls and gable walls with cold roof voids. NHBCs registered address is NHBC House, Davy Avenue, 0000002376 00000 n
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u5Ue%Ey9Y" =I#PeR "AAb1e1e0[TBy#5k).yS0 i~5O? nhbc spandrel panel technical guidance . g ,wENXBDMM9r5~M9?bsp/5~x_Be^2zC/+1 KC/K!R Strutting should be provided: in accordance with the design . 0000037523 00000 n
The guide has been developed by the TRA in association with the NHBC and the Structural Timber Association (STA) and will receive further updates following the outcome of further fire testing, currently being undertaken with the STA. They do not constitute professional advice. 0000020787 00000 n
Includes:The importance of correctly installing cavity trays and DPCs | Regulation 38 of the Building Regulations | Code of practice relating to slating and tiling for pitched roofs and vertical cladding. 0000039507 00000 n
NHBC TECHNICAL GUIDANCE - Spandrel Panels to Cold Roofs Click here to access the document in full. 0000073140 00000 n
. Requirement: All materials and external surfaces to achieve combustibility class A2-s1, or better, unless they are exempt within 7(3). Important new roofing guidance endorsed by the NHBC has been published by the Trussed Rafter Association (TRA), designed to reduce the risks, costs and waste from poor spandrel panel construction. Technical Extra 15 - Focus on cavity trays and DPCs, Technical Extra 15 - Installation of GRP dormer windows, Technical Extra 15 - Slating and tiling for pitched roofs - BS 5534, Technical Extra 20 - Fixing of wall lateral restraint straps to trussed rafter roofs, Technical Extra 21 - Continued focus on pitched roofs, Technical Extra 21 - Solar panels and the performance of pitched roofs, Technical Guidance - Access to roof voids, Technical Guidance - Attic trusses, bracing, Technical Guidance - Bracing of mono-pitch roof trusses, Technical Guidance - Diagonal bracing to double hipped roof, Technical Guidance - Diagonal bracing to trussed rafters, Technical Guidance - Fixing roof tiles in valleys, Technical Guidance - Fixing tiling battens using nail guns, Technical Guidance - Fixing valley trussed rafters (diminishing trussed rafters), Technical Guidance - Lateral restraint provided by gable ladders, Technical Guidance - Loft hatches and fire resistance, Technical Guidance - Pitched roofs to garages, holding down straps, Technical Guidance - Pitched roofs, bedding verge undercloaks, Technical Guidance - Plasterboard fire-resisting ceiling in contact with single leaf masonry, Technical Guidance - Roofing underlay at eaves level, Technical Guidance - Spandrel panels to cold roofs, Technical Guidance - Timber balconies and terraces, Technical Guidance - Use of nail guns for fixing trussed rafter bracing, Technical Guidance - Ventilation of small roofs, Technical Guidance - Wall plates, bedding, lengths and joints. 0000050298 00000 n
1st September 2017. 0000032260 00000 n
Spandrel panels to be restrained on both sides by bracing fixed to noggins secured to panels. new edition is the introduction of Clause 7.2.24 'Spandrel Panels', incorporated into Chapter 7.2 'Pitched Roofs'. Technical Advice and Downloads. Technical Training - Pitched roof coverings 1. Includes:An update on low or zero technologies (NHBC Standards Chapter 3.1) and two articles relating to faades. 0000050597 00000 n
However, there are times where a more robust approach is advisable. Includes:The challenges for the industry in complying with Part L of the Building Regulations in England and Wales. 0000040582 00000 n
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The guide is designed to reduce the risks, costs and waste from poor spandrel panel construction by housebuilders. 7.2.24 Spandrel panels; 8 Services. 0000035977 00000 n
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Find a member Members area. Includes:The revised NHBC Standards Chapter 7.2 on 'Pitched Roofs'.
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