Veka Sandfields Aberavon. MPN Windows your Inveka Network installer serving in:Aberafan, Aberavon, Baglan, Cwmafan, Port Talbot town centre, Sandfields,, Neath Port Talbot-SA12. UPVC Windows & Conservatories; Porches, Doors & Bi-Folds; Supply, Installation & Repairs; Fascias, Soffits & Gutters; Network VEKA Installer.