Timber Window Certifications
Every claim we make is backed by independent testing. 41 certificates from accredited laboratories across Europe: TUV EESTI, Inspecta, KIWA, Kaunas University of Technology.
PAS 24
UK Security Standard
ISO 9001
Quality Management
Windows Latvia holds certifications for security (PAS 24, EN 1627, RC2/RC3), fire resistance (EI-30, EI-45, EI-60), thermal performance, glass quality (EN 1279), and quality management (ISO 9001, ISO 14001). All products carry CE marking and are accepted across the EU.
These certifications apply to our full product range: tilt and turn windows , Scandinavian windows , alu-clad timber windows , sliding doors , fire rated windows , and entrance doors . For architects and specifiers, see our technical resources page .
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Security Certifications (PAS 24 / EN 1627)
Independent burglary resistance testing. PAS 24 is the UK Police Preferred Specification. Applies to tilt and turn windows , sliding doors , and entrance doors .
EN 1627 Burglary Resistance
Windows: full test report
PAS 24 ALLSWING 110/150
Inward opening windows
PAS 24 ALLSWING 200/240
Large inward opening windows
PAS 24:2016 Sliding Doors
Lift-and-slide doors
PAS 24 ECO 92 Double Door
Entrance doors: double
PAS 24 ECO 92 Single Door
Entrance doors: single
EN 1627 Sliding Door
Sliding door burglary resistance
RC2 Security Class
European resistance class
RC3 Security Class
Enhanced resistance class
Fire Resistance and Thermal Performance
EI-30 and EI-60 fire ratings tested to EN 1634-1. Thermal calculations by Kaunas University. See fire rated timber windows and quadruple glazed windows .
Fire Resistance Approval
EI-30 certified, EUROCODE 5
EI-60 Classification Report
60-minute fire resistance
Thermal Performance Report
Kaunas University, Uw calculation
Thermal Performance Report 2
Alternative configuration
U-Value Calculations
Legno Classic and Comfort profiles
Climate Class Certification
Classic 2400x1300
Door Panel Climate Test
Solid wood door panels
Glass Unit Certifications
EN 1279 insulating glass, Inspecta-verified argon filling, sound insulation up to 46 dB. See quadruple glazing and alu-clad windows .
EN 1279 Glass Unit
Insulating glass certification
Inspecta Glass Certificate
Argon-filled units, component specs
Quadruple Glass Declaration
Quadruple 2K configuration
Glass Package 6161-6162
Triple glazing specification
Glass Declaration
Conformity declaration
Sound Test: 46 dB
Legno Comfort Silence
Swedish Inspection Report
Besiktningsrapport 2018
Quality Management and Conformity
ISO 9001 / ISO 14001
Quality and environmental management
Declaration of Conformity
CE marking, FSC, full compliance
LVS EN 1529 Certificate
Latvian product certification
GOST R Certificate
Russian Federation conformity
Test Report No. 643
Product testing results
Product Advantages
Technical documentation (DE)
Materials and Hardware
GU (Gretsch-Unitas) hardware from Germany, engineered laminated timber from certified suppliers , eco water-based paint systems.
GU Hardware Certificate
Gretsch-Unitas, Germany
Siegenia Hardware
Alternative hardware certification
Timber Lamination
Engineered timber quality
Merco Links Timber
Pine 96x86x6000mm, D4 glue
In-House Timber Bars
In-house timber specification
Paint Declaration
Eco water-based micro-porous
Aluminium Cladding
Exterior cladding certification
Mounting Anchors
Installation hardware
Installation Materials
SOUDAL Interior Tape
WTI Partner Tapes, inside
SOUDAL Exterior Tape
WTO Partner Tapes, UV-resistant
SOUDABAND Foam
Expansion foam certification
FLEXIFOAM All Seasons
Installation foam, 750ml
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