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Airtightness Activities at SP & expectations with a EU network

Airtightness Activities at SP & expectations with a EU network. Eva Sikander, SP Technical Research Institute of Sweden. Activities at SP Airtightness during the building process. Requiremets – new buildings , reconstruction Guidance to developers Following up

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Airtightness Activities at SP & expectations with a EU network

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  1. AirtightnessActivities at SP & expectations with a EU network Eva Sikander, SP Technical Research Institute of Sweden

  2. Activities at SP Airtightness during the building process Requiremets – new buildings, reconstruction Guidancetodevelopers Followingup Measuremets – airtightnessof the wholebuildingenvelope - airtightnessof a part of the building EN13829 Havealsotested CAN/CGSB-149.15 (using the ventilationsystem) Training Designers and contractors (craftsmen) – often in connectiontoveryenergyefficientbuildings Research – example • Durability / in field • Durability / laboratory – ongoing • Easytobuildairtight? Choiseofstructurestoachieveairtightenvelopes in a moreeasyway – massive or lightveightenvelopes?

  3. A method to ensure airtightness of the building envelope : ByggaL (www.lufttathet.se) Early planning Design Construction Operation Covers the whole building process Require-ments Airtightnessrequirements and the developersown work L • Routines • Checklists • Developer • Designer • Contractor • Operator Designing for airtightness Detailed drawings and descriptions L Documen-tation Critical details Measuremnts L Operation for sustainableairtightness L

  4. Activities at SP Airtightness of components – in laboratory (not completed) Windows, doors, wallstructures, materials etc • ENxxx - • Etc Ventilation duct systems (at the manufacturers site) • EN12237 (circular) • EN1507 (rectangular) Components in ventilation system • EN1751 (spjäll and duct) • EN13180 (flexible ducts) • Etc

  5. Expectations with a EU network General: Exchange ofexperiences • Competent tester schemes • Input to testers training • Databasedevelopment • Developmentofrequirements • Strategieswhen it comestobigbuildings or testing a part of a building

  6. Situation in Sweden Swedish BuildingCode • Requirementsconcerningenergyuse, no specificrequirementsconcerningairtightness. • The developer has the responsibilitytofulfiltheserequirements The developerhavecontractswith different actorsto make sure thattheserequirements or evenmorespecific and demandingrequirementsarefulfilled. The buildingindustry (developers/designers/contractors) have a increasingawarenessabout the importanceofairtightbuildingenvelopes!

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