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1. Technical Specifications for Tiles & Accessories

(Note: The standard batten spacing for main roof tiles is 340 – 360 mm)

2. STANDARD BATTEN SPACING PROCEDURE

To ensure a flat roof and efficient drainage, technicians must follow these 3 steps to determine the batten spacing (lath distance):

• Step 1: Determine the first batten row (f) Measure from the rafter apex to the center of the first batten row. Distance (f) depends on the roof pitch:

  • Roof pitch 35° – 45°: f = 30 mm.

  • Roof pitch > 45°: f = 20 mm.

• Step 2: Determine Main Batten Spacing (L1) The standard spacing between battens for Avestar tiles is: L1 = 340 – 360 mm.

• Step 3: Handle the final batten row (L2) Divide the remaining distance evenly from the top. Any excess length should be accumulated in the last row. Important Note: The final batten row must be raised 20mm higher than the other rows to create a proper drainage slope.

3. MANDATORY INSTALLATION GUIDELINES

• Materials: Must use tiles from the same production batch and same color code on a single roof.

• Structure: Minimum rafter size of 40x80mm (spacing 800-1200mm); Batten width of 25-40mm.

• Strictly Prohibited: Do not mortar tiles directly onto a concrete roof or use wooden/concrete battens (prone to cracking due to thermal expansion/contraction).

• Tiling Technique: Install in a straight bond (aligned), not staggered. Proceed from left to right and bottom to top.

• Fastening: Use 60-70mm screws. Screw moderately tight for 100% of main tiles (including cut tiles).

• At the Verge: Minimize tile cutting. Ensure the edge of the verge tiles and main tiles are aligned in a straight line.

4. 5 KEY ADVANTAGES OF AVESTAR TILES

1. Timeless Durability: Clay body and glaze are fused into a monolithic block, offering high load-bearing capacity and guaranteed color fastness.

2. Self-Cleaning: Glossy glaze surface combined with a high-wave design helps wash away dust and prevents moss growth.

3. Dual Waterproofing: Water-blocking ridges and deep drainage grooves absolutely prevent water backflow.

4. Aesthetics: Diverse color palette following international architectural trends.

5. Cost Efficiency: Large batten spacing (340-360mm) significantly reduces material and labor costs for the roof frame.