CPT

Concealed Post Base

The CPT post base provides a clean look while providing a 25mm stand off
height above the ground. reducing the potential for decay at the post end.


The CPT can be fixed to a concrete base with M12 resin anchors (sold separately). 

CE Marking
Service class 3
Outdoor

Product Details

Images

Step 6: Drive the dowels into the post and through the flitch plate they should be roughly centred within the post.
Step 3: Cut a 5mm wide slot on the side adjacent the drilled holes. Check that the flitch plate slides freely.

Features

Materials

Flitch plate, washers and standoff base are pre-galvanised steel.
The standoff base has an additional textured, flat black powder coat finish for aesthetic purposes.
The 12mm diameter dowels are mechanically galvanised.

Application

Concrete

Fix timber posts to concrete.

Technical Data

Dimensions

Product Dimensions

References Timber post size [mm] Product Dimensions [mm] Holes
A B C F H t1 t2 Washer Top Base
Ø13.5 Ø13.5
CPT44Z 89x89 to 100x100 89 89 145 25 79 3.5 2.7 36x29x3.5 3 2
CPT66Z 133x133 to 150x150 133 133 145 25 114 3.5 2.7 36x29x3.5 3 2
CPT88Z 184x184 to 203x203 184 184 145 25 114 3.5 2.7 36x29x3.5 3 2

Characteristic Capacities

References Number of Fasteners Characteristic Capacity - Timber C24 [kN]
Into Post Into Concrete R1,k R2,k R3,k R4,k
Qty Type
(Dowels)
Qty Anchor
CPT44Z 3 Ø13x70 2 Ø12 59.4 11.2 7.3 3.9
CPT66Z 3 Ø13x120 2 Ø12 91.2 16.3 9.1 5.6
CPT88Z 3 Ø13x120 2 Ø12 123.1 16.3 9.1 5.6

The published characteristic capacity is based on medium term load duration and service class 3 according to EC5 (EN 1995). For other load duration and service class, please refer to the ETA 

For combinated loads:

Installation

Installation

Installation Sequence

Follow the steps below:

Downloads

CAD Library

DWG (2D) REVIT (2D) DWG (3D) REVIT (3D) SAT XML
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Contact

Simpson Strong-Tie U.K.

Simpson Strong-Tie

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