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SIP IT (Scotland) Limited are CATG/SIP mark certified.  CATG is one of the UK’s leading timber and construction certification, examination and UK conformity bodies.


This certification demonstrates that SIPit panels meet quality assurance and performance tests.

It is a UKAS (United Kingdom Accreditation Service ) accredited certification. 


If you are building a house or an extension, you will require a building warrant.  Building control will ask for evidence that you are using a SIP system that is adequately certified. CATG is recognised by Building standards and warranty companies.

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