uPVC L Pattis are versatile and used for:

1. Finishing and Aesthetics:

   • Covering Gaps: Used to cover small gaps between the uPVC window/door frame and the wall, or between two uPVC profiles, providing a neat and finished look.

   • Corner Trims: Applied to external or internal corners to create a clean, durable edge.

   • Bordering: Used as a border around panels or other elements.

   • Skirting: Sometimes used as a low-cost, durable skirting board, especially in utility areas.

2. Protection:

   • Edge Protection: Protects the edges of walls, columns, or other surfaces from impact damage.

3. Joining/Support (less common for load-bearing):

   • Sometimes used as a “mechanical joint” or connector in non-load-bearing applications, though more robust metal L-brackets are used for structural connections.

The Significance of 12mm and 30mm:

These measurements typically refer to the width of the “legs” or flanges of the L-profile. So, a “12mm L Patti” would mean each leg of the ‘L’ is approximately 12mm wide, and a “30mm L Patti” would have 30mm wide legs. The thickness of the uPVC material itself for these pattis is usually quite thin (e.g., 1mm to 3mm).

• 12mm L Patti: A smaller, more discreet size. Likely used for fine finishing, covering very small gaps, or as a decorative trim.

• 30mm L Patti: A larger size, suitable for covering wider gaps, providing more substantial edge protection, or as a more visible trim element.

Characteristics:

• Material: Made from uPVC (unplasticized polyvinyl chloride). This makes them durable, waterproof, termite-proof, lightweight, and low-maintenance.

• Color: Most commonly white, to match typical uPVC window and door profiles. However, they can sometimes be found in other colors or even wood-grain finishes to match laminated uPVC profiles.

• Length: Sold in standard lengths, often 8 feet (approx. 2.44 meters) or longer, which can then be cut to size.

• Installation: Typically fixed using uPVC adhesive, small screws (uPVC tapping screws), or sometimes silicon sealant.