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Prestige Iroko post caps with acorn finial endorsed by the RHS, available in 2 sizes to suit 70mm or 90mm posts. They add the finishing touch to your posts and protect the end grain.

® The Royal Horticultural Society. Trade marks of The Royal Horticultural Society (Registered Charity No 222879/SC038262) used under licence from RHS Enterprises Limited.

  • 15 year timber guarantee

  • Hard & softwood options

  • Stainless steel fixings

  • Planed finish

  • Over 30 years experience

RHS Prestige Post Cap & Acorn Finial

Price From £24.00

RHS Prestige Post Cap & Acorn Finial.jpg

The colour of the swatches may differ slightly from the actual paint finish due to the limitations of displaying images on websites. Samples are available to order.

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From £24.00 per item

Free delivery on orders over £300*

*T&C's Apply see our delivery page.


  • 90mm x 70mm Acorn finial with  105mm x 105mm post cap
  • or 110mm x 90mm Acorn finial with 130mm x 130mm post cap
  • Planed smooth Iroko timber
  • Manufactured FSC Mix 70% Iroko
  • Can be finished in a choice of 11 paint colour options

View RHS Prestige Post Caps Installation Guide >

Cap and finial sizes & Prices

Please Note: Prices shown are unpainted & including VAT

105mm x 105mm post cap - 90mm x 70mm acorn finial
130mm x 130mm post cap - 110mm x 90mm acorn finial

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