The Kingspan Optim-R Balcony & Terrace System was “the product of choice” for an apartment building in the centre of London.42-43 Pall Mall is a new build development from Amazon Property, featuring four apartments and an art gallery. The Kingspan Optim-R Balcony & Terrace System provided a slim-line solution, Kingspan says.The company claims that its Optim-R panels have an aged …