LANKO 243 FLOOR HARDENER

Cememtitious with special aggregates

12 months from date of production if stored in undamaged and unopened, original sealed packaging.

Store in dry condition and protected from direct sunshine.

1.4-1.6 kg/L

2.5 mm

1 g at 28 days (Taber abrasion, H22 disk-500g-200 rpm)

60 MPa at 28 dyas (ASTM C109)

+ 5°C to +35°C

3-7 kg./sq.m.

1. Divide LANKO 243 FLOOR HARDENER 2 roundsequally at a time or 60 : 40 at the total rate of3-7 kg./sq.m.
2. 1^st application : as soon as fresh concrete is firm enough, Hand shake LANKO 243 FLOORHARDENER evenly over. Allow it to darken then smooth the surface by power trowel or hand trowel to ensure full compaction.
3. 2^nd coat application : repeat the 1st application.
4. When concrete is stiff enough, finish the floor using power trowel or hand trowel.

Joint
1. For large area, joint should be made to avoid continuous floor cracking that may happen.
2. Joint should be made in reticular shape by using machine saw. Maximum length is 8 metres or aligned with the column.
3. Joint should be aligned with expansion joint or existing joint.

Curing is essential for good quality floor. When the floor is hard enough, cure with curing compound LANKO 361 CURE.