1.          High Quality PVC-u
Martins Windows use only PVC-u that conforms to British Standards BS7413 and BS7950 relating to the strength, rigidity and colourfastness of your product.

2.          Fusion Welded Frames
All Martins Windows frames are fully fusion welded by machinery reaching the standards of BS EN ISO 9002, to ensure a consistently strong, high quality product for our customers. The frames themselves, have been tested to the British Standards for continued operation and strength.

3.             Galvanised Steel Reinforced Frames
Martins Windows reinforce all PVC-u frames as required using a corrosion resistant galvanised steel that conforms to British Standards relating to material, coating, and cold forming and dimensions. In addition, all reinforcements are fixed securely in place using British Standard approved screws.