Technical info

Selected timber sections are used for a combination of strength, durability, machining flexibility and an ability to accept a wide range of finishes. The hardwood timber is naturally resistant to wood rot and fungal attack and the natural oils present in the timber make it resistant to moisture penetration.

• Moisture content – kiln dried to 12-14%
  
• Strength (Young’s Modulus is a measure of elasticity; the higher the value the greater the strength) – 9300 (for comparison Brazilian Mahogany is 8600 and softwood 7300)
  
• Specification conformance – hardwood to BS1186
  
• Framework dimensions – standard depth 70mm with 68mm wide mullion and projecting storm proof casements. Where flush walling is specified incorporating shot-in casements (often required for listed buildings) a 95mm deep framework with 68mm mullion is used
  
• Roof wind and snow loading (where required) – satisfies BS6399