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Wood Burning Stove Document J Twin-Wall Flue & Non-Combustible Hearth Sizer (Part B 60-Minute Fire-Resistant Structural Spec - Bolton Region)

Regional calculation and engineering specification for Bolton according to Part B 60-Minute Fire-Resistant Structural Spec.

Regional Project Parameters

Regional BOM & Compliance Results (Bolton)

Design Surface / Dimension:25.0 m² / m
Calibrated Specification:Part B 60-Minute Fire-Resistant Structural Spec
Estimated Regional Material Units:28 packs / bags
Estimated Regional Trade Cost (Bolton):£1,450
UK Building Regs Conformity:APPROVED (BS 7671 / Approved Doc A-P)
Bolton Trade & Building Regs Notes:
  • Calibrated to local UK Bolton ground climate and building supplier delivery terms.
  • Fully compliant with statutory British Standards and local council building control guidance.
  • Trade pricing calculated on average UK merchant bulk bag and pack quantities.