VGA Heritage
A slim vacuum glass solution for upgrading existing timber windows while retaining the character of your home.
Explore Heritage
Technical information
Explore the glass ranges, read the supporting documents and prepare the right questions for your project. The original PDF files are available below.
Configuration details, applications and published figures.
A slim vacuum glass solution for upgrading existing timber windows while retaining the character of your home.
Explore HeritageVacuum glazing options for managing solar heat, insulation and outside noise, shaped around the needs of your space.
Explore ControlVacuum glass combined with laminated or insulated glass configurations for projects with specific performance and profile requirements.
Explore Optimum11 reference documents · PDF downloads
11 documents found
Certificates · Reference copy
Latest supplied CSi PAS-Mark certificate and product compliance schedule for AS 4666:2012 insulating glass units, including Amendment 1:2018. Issued 8 July 2026 and showing an expiry date of 9 July 2027; the listed IGU scope includes vacuum glass.
Certificates · Reference copy
Latest supplied four-page CSi PAS-Mark package for AS/NZS 2208:2023 safety glazing materials, including Amendments 1-2. Issued 8 July 2026 and showing an expiry date of 9 July 2027; includes schedules for listed toughened and laminated safety glazing configurations.
Certificates · Reference copy
SGCC acknowledgement issued 12 January 2022 for listed 8 mm and 10 mm products. Historical reference only; certification requires renewal and current verification.
Test reports · Reference copy
2016 Intertek report F7090.01-109-44 for LandVac 5L4 tempered vacuum glass. Includes tested-specimen details and a design-pressure summary; results apply to those specimens.
Test reports · Reference copy
Intertek report issued 25 April 2022 for the 8.3 mm LandVac 4T+0.3V+4TL sample. Covers specified EN 12150-1 clauses; it is not a blanket product certification.
Test reports · Reference copy
Full 2016 ift Rosenheim acoustic report for the specified 5 mm Low-E / 0.3 mm vacuum / 4 mm glass sample. Reports Rw 36 dB for that specimen, not a complete window.
Certificates · Reference copy
Historical SGCC acknowledgement issued 12 February 2019 for listed 8 mm and 10 mm products. This is a certification record, not a test report or proof of current status.
Test reports · Reference copy
One-page cover summary of the 2016 acoustic report. The complete eight-page document is available under Noise Reduction; specimen and use limits still apply.
Test reports · Reference copy
One-page summary of the 2016 LandVac 5L4 pressure test. Read Wind Resistance for the complete supplied report, specimen description and detailed results.
Test reports · Reference copy
One-page extract from a 2016 report; the full report was not supplied. The stated 0.4 W/m²K is centre-of-glass only, excluding edge seals, with nonstandard specimen-size limitations.
Installation · Reference copy
Grosvenor Restoration LandVac handling and installation guide, Revision A, January 2020. Historical guidance: obtain current instructions for the selected glass and installation.
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Before you specify
Tell the team what matters: the existing frame, dimensions, comfort goals and required performance.