Agrement Certs

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    • #709558

      Do anyone here know much about Agrement Certs? What products need them and which don’t? This is something that has come up a few times and has risen its head again.

      I’m looking at a wood pellet boiler, and I asked the suppliers if it had an agrement cert, they said they’d check and have been slow in getting back to me about it. I’m guessing it doesn’t, or else they would have known straight away. The same company also supplies solar panels and I’m going to ask them if they have a cert too.

      Then I got to thinking that maybe it doesn’t even need one, so hence the question – Which products need a cert, and which ones don’t?


    • #792309

      I dont have the answer to your question… but i usually use the rule of thumb that if it isnt agreement certed, dont use it….

      i have experience with timber frame houses. the client enagaged an austrian company (who had lots of euro certs but no NSAI cert) things were fine till Homebond, solicitors and financial institutions became involved. they usually require agrement certs because its a proof of suitably with Irish standards.

    • #792310


      it explains the whole thing very well and gives you a list of certified products

      the DOE are big on Agrement Certs for building materials ie walls and roofs. With a pellet boiler the first thing I’d look for is “SEI approved”

    • #792311

      Agreement certs are a useful way of establishing whether the new “wonder” product you are being asked to consider or approve is any good . Wafer thin insulation to replace 300mm fibreglassl . One coat paint . a radon barrier , a damp proofing treatment , whatever ….

      This is an extract from TGD D B Regs .

      “proper materials” means materials which are fit for the use for which
      they are intended and for the conditions in which they are to be used,
      and includes materials which:
      (a) bear a CE Marking in accordance with the provisions of the
      Construction Products Directive; or
      (b) comply with an appropriate harmonized standard, European
      technical approval or national technical specification as defined
      in article 4(2) of the Construction Products Directive; or
      (c) comply with an appropriate Irish Standard or Irish Agrément
      Board Certificate or with an alternative national technical
      specification of any State which is a contracting party to the
      Agreement on the European Economic Area, which provides in
      use an equivalent level of safety and suitability.

      Agreement certs are a way for newer innovative products to show that they are fit for purpose AND TO INDICATE WHEN AND HOW THEY ARE TO BE USED . So if an unfamiliar ( to you ) material claims to have certain thermal insulation , structural or firE performance , or whatever , check it has an Agrement cert . Example – roof pitch 20 degrees , developer client wants to use a certain slate , rep says it’s fine …… look for the cert . Breather membrane rep says “use this and you dont have to ventilate roof ” … check cert which will contain spec advice and conditions ( like maybe you need battens and counter battens to create a 50mm vent space OVER the felt , below slates .

      This is also from TGD D

      While the primary route for establishing the
      fitness of a material for its intended use is through
      the recognised standardisation procedures referred
      to in paragraphs (a), (b) or (c) of Requirement D3,
      other methods may also be considered in
      establishing fitness including:-
      (a) Independent certification by an approved body
      e.g. the National Standards Authority of
      Ireland (NSAI);
      (b) Tests and calculations carried out by an
      accredited laboratory, showing that the
      material is capable of performing the function
      for which it is intended. The INAB (Irish
      National Accreditation Board) offers a way of
      ensuring that tests are conducted in
      accordance with recognised criteria;
      (c) Performance in use, i.e. that the material can
      be shown by experience, such as its use in a
      substantially similar way in an existing building,
      to be capable of enabling the building to satisfy
      the relevant functional requirements of the
      Building Regulations.

      “Performance in use” may be considered a way of accepting a material or product . A simple example to make the point , is that you wont find a cert covering concrete as a suitable material to make a footpath with … it’s performance in use is well established for that application .

      Forget SEI approving anything – they won’t do that . But lists they issue are not a bad starting point at all. Overseas wood pellet boiler manufacturers may not go to the trouble and expense of having test done for AG Cert . However looking for comprehensive list of units installed and where and following up end user references may be the way to go .

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