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TECHNICAL NOTES

CWCT members can receive the full technical notes electronically by visiting the Cladding Forum.

Non-members can view the front page of each by using the links below. Technical Notes may be purchased using the Technical Note order form.

Further notes are being written.

 
Number Title
TN01 Representing air leakage through windows and glazed cladding systems (8 pp)
TN02 Introduction to wind loading on cladding (8 pp)
TN03 Wind loading on wall cladding and windows of low rise buildings (12 pp)
TN04 Issues relating to wind loading on tall buildings (10 pp)
TN05 Wind tunnel testing (4 pp)
TN06 Pressure-equalisation (9 pp)
TN07 Threat resistant fenestration (9 pp)
TN08 Selection of windows - a checklist for specifiers (8 pp)
TN09 Testing pressures (4 pp)
TN10 Superseded - replaced by  TN41
TN11 Glass types (7 pp) - replaced by TN61
TN12 Specification of hermetically sealed glass units (7 pp) - replaced by TN62
TN13 Glass breakage (6 pp) - partially replaced by TN63
TN14 Curtain wall types (7 pp)
TN15 Cladding types (7 pp)
TN16 Joints in the building envelope (7 pp)
TN17 Weathertightness and drainage (7 pp)
TN18 Gaskets - replaced by TN64
TN19 Selection and use of sealants ( (7 pp)
TN20 Design of sealant joints (6 pp)
TN21 Tolerance, fit and appearance of cladding (8 pp)
TN22 Cladding metals 1- ferrous metals (7 pp)
TN23 Cladding metals 2 - non-ferrous metals (7 pp)
TN24 Corrosion (7 pp)
TN25 Selection of applied finishes for metal (7 pp)
TN26 Introduction to structural design of stick curtain walling (6 pp)
TN27 Structural design of stick curtain walling - sample calculations (8 pp)
TN28 Performance requirements for curtain wall brackets (7 pp)
TN29 Design of curtain wall brackets (7 pp)
TN30 Cladding of buildings subject to earthquakes (5 pp)
TN31 Pressure effects on insulated glazing units (6 pp)
TN32 Ventilation (6 pp) -replaced by TN74
TN33 Breather membranes and vapour control layers in walls (6 pp)
TN34 Assessing the appearance of new curtain walling (4 pp)
TN35 Assessing the appearance of glass (14 pp)
TN36 Assessing the appearance of metals and finishes (6 pp)
TN37 Introduction to building envelope acoustics (8 pp)
TN38 Acoustic performance of windows (7 pp)
TN39 Sound transmission through building envelopes (5 pp)
TN40 Sound environment behind a building envelope (5 pp)
TN41 Site testing for watertightness (6 pp)
TN42 Safety and fragility of glazed roofing - replaced by TN66/TN67
TN43 Film backed glass (6 pp)
TN44 Whole building air leakage tests (7 pp)
TN45 Thermography and facades (9 pp)
TN46 Introduction to building energy transfer (10 pp)
TN47 Overall building envelope U-values (9 pp)
TN48 U-values of windows (7 pp)
TN49 U-value of curtain walls (5 pp)
TN50 Solar gain and shading (16 pp)
TN51 Environmental control glasses (12 pp)
TN52 Impact performance of cladding (10 pp)
TN53 Method statements for the construction of building envelopes (11pp)
TN54 Self-cleaning glass (8 pp)
TN55 Movement accommodation in building envelopes (6 pp)
TN56 Accommodation of structural movement (12 pp)
TN57 Cladding movement (7 pp)
TN58 Repairs to glass (3 pp)
TN59 Introduction to externally rendered cladding systems (6 pp)
TN60 Performance of externally rendered cladding systems (6 pp)
TN61 Glass types (9 pp)
TN62 Specification of insulating glass units (10 pp)
TN63 Glass breakage (10 pp)
TN64 Gaskets (12 pp)
TN65 Thermal fracture of glass (6pp)
TN66 Safety and fragility of overhead glazing: guidance on specification (11 pp) - supersedes TN42
TN67 Safety and fragility of overhead glazing: testing and assessment (5 pp) - supersedes TN42
TN68 Overhead glazing (8 pp)
TN69 Selection of glass to prevent falls from height (8 pp)
TN70 Thermal and moisture performance of cavities in building envelopes (6 pp)
TN71 Standards and performance classification of windows and doors (11 pp)
TN72 External shading devices (14 pp)
TN73 Fire performance of curtain walls and rainscreens (7 pp)
TN74 Ventilation (14 pp) - supersedes TN32