McMahon and Nagle have been in the window business for over 35 years. We are Dublin's most established and prestigious suppliers of PVC and timber windows, doors and conservatories. When you choose McMahon and Nagle's windows and doors you can be sure that you are making the best choice. Every item is designed, manufactured, and then undergoes numerous quality checks to ensure that it will withstand not only the rigours of Irish weather, but also the forced entry of intruders. No-one wants to turn their home into a fortress, but in today's environment security is of premium concern, an issue that McMahon and Nagle will not compromise for any customer.