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ZERO CO 2016

Towards Zero Carbon Homes with Masonry. ZERO CO 2016. Towards Zero Carbon Homes with Masonry. Martin Clarke. Chairman MMA CEO British Precast. ZERO CO 2016. What is the MMA ?.  A two year old consortium of all sectors with an interest in the masonry improvement agenda

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ZERO CO 2016

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  1. Towards Zero Carbon Homes with Masonry ZEROCO2016

  2. Towards Zero Carbon Homes with Masonry Martin Clarke Chairman MMA CEO British Precast ZEROCO2016

  3. What is the MMA ?  A two year old consortium of all sectors with an interest in the masonry improvement agenda  Quality, productivity, value, innovation  Represent £2+ billion sector  Products used in 85% of new homes  www.modernmasonry.co.uk ZEROCO2016

  4. What is the MMA ? 2007 yearbook available today for all delegates ZEROCO2016

  5. What is the MMA ?  We welcome the CSH as a long overdue move towards performance specifications and away from the unfair and unscientific MMC approach  Our response last year advocated a more rounded approach to sustainability – still a long way off ZEROCO2016

  6. A big step forward ZEROCO2016

  7. Masonry and the Zero Carbon agenda  Masonry is alive and kicking, innovative and ambitious  We have no more of a problem reaching CSH levels as timber- frame and all other materials and methods  Growing interest in what else you get in a masonry home, such as………. ZEROCO2016

  8. Brick and block housing  Durable – measured in centuries  Quiet  Fireproof  Healthy homes  Local materials  Secure  Economic  Robust  Popular  Insect proof  but 1 week longer building cycle [NAO] ZEROCO2016

  9. Brick and block housing  and flood resistant ZEROCO2016

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  11. Masonry and the Zero Carbon agenda  We support the objectives  We will produce a signed Concordat to mirror the Government and HBF initiative  We have set up a Futures Group with the HBF – very supportive people involved ZEROCO2016

  12. Masonry and the Zero Carbon agenda Thermal Performance for Zero Carbon Dwellings Looking at all variables and options Rough Comparison of Performance Requirements Notional dwelling (Part L 2006) Notional zero carbon dwelling (Code - level 6) Element or system: U ≈ 0.30 W/m2K U ≈ 0.2 W/m2K Walls U ≈ 0.22 W/m2K U ≈ 0.15 W/m2K Floors U ≈ 0.16 W/m2K U ≈ 0.15 W/m2K Roofs U ≈ 1.8 W/m2K U ≈1.5 W/m2K Windows and glazed doors Renewable technology Not required Solar hot water ≈ 1 - 2 m2 Photovoltaic ≈ 30 m2 Boiler efficiency SEDBUK band B: 86% - 90% Ground source heat pump Around 7 m3/m2/h Around 5 m3/m2/h Air permeability ZEROCO2016

  13. Masonry and the Zero Carbon agenda  Aiming to get as much out of the building fabric as possible  To do this we are focused on insulation, air-tightness, thermal bridging  We know how much the industry wishes to avoid both cost and extra wall thickness – but clearly some compromise will be necessary ZEROCO2016

  14. Masonry and the Zero Carbon agenda  Futures Group guidance is urgently required by the housebuilders  MMA and HBF hope to publish guidance within 2 or 3 months focusing on Code levels 3 and 4  Awaiting Carbon Challenge technical spec for Bristol and Peterborough from EP – should feature thermal mass ZEROCO2016

  15. Masonry and the Zero Carbon agenda  Levels 5 and 6 will follow – limited demand as yet – too expensive with unproven technology ZEROCO2016

  16. Masonry and the Zero Carbon agenda  Complex documents; complex calculations – all set in a shifting scene  We are concerned at how the smaller builder and self-builder will cope  As with timber-frame and steel- frame and other constructions, advice will not be “one size fits all”  One certain change will come with 2008 SAP review ZEROCO2016

  17. Masonry and the Zero Carbon Agenda also Customs & Excise consultation comments by 31 July ZEROCO2016

  18. Eng Doc programme  Ian Abley – running the MMA Engineering Doctorate programme at Loughborough – the Better Built in Masonry project ZEROCO2016

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  20. Example Hanson Building Products www.hanson.biz ZEROCO2016

  21. Hanson House - Offsite 05 ZEROCO2016

  22. EcoHouse design concept ZEROCO2016

  23. EcoHouse design concept ZEROCO2016

  24. What does Hanson Ecohouse demonstrate?  All the benefits of brick and block plus fast method of building, factory produced, quality assured, durable, secure with thermal mass at a price consistent with current practice.  The system inherently addresses the more exacting needs of the new CSH - airtightness, insulation, sustainability, durability, sound & fire insulation required for future high performance dwellings.  The latest in ‘Smart’ building solutions technology with remote operation of heating, lighting, energy monitoring security and interactive web-based hub link to community services for healthcare, education, welfare & leisure. ZEROCO2016

  25. Is it fast to build ? The glued masonry walling system is faster to completion than comparative panelised timber systems since they normally require the external façade to be constructed after the basic structure is erected whereas Hanson’s system comes complete with external full brick finish.  Pre installed wiring loops and outlets can be incorporated into the walls prior to erection  Exposed elements are not susceptible to damage from inclement weather conditions during construction (or fire for that matter!)  Disregarding choice of roofing system for Ecohouse the time for construction of roof will be similar.  ZEROCO2016

  26. Ecohouse prefabricated walls ZEROCO2016

  27. Ecohouse – prefabricated walls ZEROCO2016

  28. Ecohouse- prefabricated walls ZEROCO2016

  29. Ecohouse ZEROCO2016

  30. Example Tarmac Topblock  Excellent Tarmac Webinar on achieving the CSH with masonry was broadcast live last week organised with Building magazine  Can be checked out at www.topblock.co.uk ZEROCO2016

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