Heavy Duty Elevated Post Base

The PBH is suitable for heavy duty post support applications including Glulam timber posts,with a standoff height of 216mm. Dowels included.

PBH75 suitable for posts 75 x 75mm to 120 x 120mm
PBH120 suitable for posts 120 x 120mm to 200 x 200mm

CE Marking
Service class 3
Galvanised steel

Product Details




  • Hot-dip galvanised mild steel plate

Technical Data


Product Dimensions

References Timber Post Size [mm] Product Dimensions [mm] Top plate holes Bottom plate holes
A B C D E F G H t1 t2 Ø8,5 Ø14
PBH75 75x75 - 120x120 75 75 110 160 100 216 42.4 45 8 8 2 2
PBH120 120x120 - 200x200 120 120 110 155 155 216 42.4 90 8 8 4 4

Product characteristic capacities - Simplified values

References Simplified product capacities - Timber to Concrete
Number of Fasteners Simplified characteristic capacities - Timber C24 [kN]
On post On concrete R1.k* R2.k R3.k=R4.k R5.k=R6.k
Qty Type Qty Type Width of the post [mm] Width of the post [mm] Width of the post [mm]
80 100 120 80 100 120 80 100 120
PBH75 4 STD Ø8 2 Ø12** 105.5 8.1 9.5 10.4 5.5 6.5 7.1 5.8 6.6 7.3
PBH120 4 STD Ø8 4 Ø12** 156.4 20.7 20.7 20.7 7.7 7.7 7.7 7.3 7.9 8.5

*The published characteristic capacity is based on medium term load duration and service class 3 according to EC5 (EN 1995) ( kmod = 0.7). For other load duration and service class, please refer to the ETA to get more accurate capacities.

**Refer to the Simpson Strong-Tie anchor product range for suitable anchors. Typical anchor solutions are BOAXII, SET-XP, WA, AT-HP, depending on the concrete type, spacing and edge distances.





  • Use the flitch plate to mark and drill the 8mm diameter holes for the dowels
  • Cut a 9mm slot in the side adjacent to the drilled holes, for the flitch plate
  • Fix to the foundation with M12 anchors
  • Lower the post onto the flitch plate, align the holes and fit the dowels
  • Not recommended when the top of post/column is not restrained (e.g. fence post)
  • Stainless steel option available to order


European Technical Assessment (ETA)


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