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Horizontal roof rafter span

Reference data и engineering information about horizontal roof rafter span для building и construction applications.

horizontalroofrafterspan

Overview

Engineering reference data for Horizontal Roof Rafter Span in building construction.

Key Formulas

U-value

U=1RtotalU = \frac{1}{R_{total}}

Overall heat transfer coefficient.

Heat Loss

Q=UAΔTQ = U A \Delta T

Heat transfer through building envelope.

Variables

SymbolDescriptionUnit
UUU-valueW/(m²·K)
AAArea
ΔT\Delta TTemperature differenceK

References