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Connectors
Hangers
ATFN

Concealed Beam Hanger

The ATFN is a two piece steel plate connector. The first part of the connector is fixed into a pocket on the header timber with nails and the second part is fitted on the end of the in-coming beam with screws. No slots or dowel holes are necessary, speeding up installation. 

Technical Data Sheet
CE Marking
CE Marking
ETA
ETA
Service class 1
Service class 1
Fire resistance R 30
Fire resistance R 30
Available in Connector Selector
Available in Connector Selector
ATFN75_150

Product Details

Images

C_ATF_ProdPho_Pho_Prod_ATF_ConcealedBeamHanger_BeamHanger_EU_EN_CN.jpg
C_ATF_Pho_Prod_Catalogue_EU_CN.jpg
C_ATFN_ProdIll_Ills_Prod_ATFN_Install_Situ_EU_EN_CN.jpg

Features

Material

Material :   S355MC according to EN10149-2

Coating :    Electroplating yellow zinc > 8 µm

Avantages

v

Application

Suitable On

Glulam and solid sawn timber.

When to Use

To provide an invisible connection for exposed timber members.

Technical Data

Product Dimensions

ReferenceConnector Dimensions
Timber size[mm]Product Dimensions[mm]Header holes[mm]Joist holes[mm]Other
WidthHeight[mm]A[mm]B[mm]t1[mm]t2[mm]RoundRound Weight[kg]
Min[mm]Min[mm]Ø5Ø5
ATFN55/1108014011055558110.42
ATFN55/15080180150555511150.57
ATFN55/19080220190555514210.71
ATFN75/150100180150755517220.79
ATFN75/190100220190755521280.99

Product Capacities

Product Capacities
ReferenceHanger capacity
Number of FastenersProduct characteristic capacities - Timber C24[kN]
HeaderJoistR₁,ₖ[1]
QtyTypeQtyTypeCNA4.0x60
ATFN55/1108.0CSA5,0X5011.0CSA5,0X5011.39
ATFN55/15011.0CSA5,0X5015.0CSA5,0X5015.53
ATFN55/19014.0CSA5,0X5021.0CSA5,0X5021.74
ATFN75/15017.0CSA5,0X5022.0CSA5,0X5022.77
ATFN75/19021.0CSA5,0X5028.0CSA5,0X5028.98
  • CNA refers to an Annular Ring Shank Nail
  • CSA Screw has reduced head height

Installation

Installation

Fixing

  • Fixings into the header can be either CSA5.0x50 Screws or CNA4.0x60 Annular Ring Shank Nails
  • Fixings into the joist shall always be CSA5.0x50 Screws

 

ATFN install-up
ATFN install-down
ATFN install-left
ATFN install-right

Certification

Declaration of Performance (DoP)

uk-dop-e07-0245-05-s-2.pdf
Show history
uk-dop-e07-0245-issue-4.pdf
uk-dop-e07-0245-issue-3.pdf
uk-dop-e07-0245-issue-2.pdf
uk-dop-e07-0245-issue-1.pdf

European Technical Assessment (ETA)

eta-07-0245-2025-01-15.pdf
Show history
eta-07-0245-2018-08-15.pdf
eta070245-sst-je-ch-r5-2016-rev-a.pdf

CAD and BIM Library

2D

ATFN55/110

ATFN75/190

ATFN55/190

ATFN75/150

ATFN55/150

3D

ATFN55/110

ATFN75/190

ATFN55/190

ATFN75/150

ATFN55/150

3D Simplified

ATFN55/110

ATFN75/190

ATFN55/190

ATFN75/150

ATFN55/150

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Contact

Simpson Strong-Tie U.K.

Simpson Strong-Tie

Cardinal Point, Winchester Road
Tamworth
Staffordshire
B78 3HG
United Kingdom

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