Sika® Block Joining Mortar

Cementitious mortar modified with polymers.

6 months from date of production

Stored properly in original unopened, sealed and undamaged packaging in dry and cool conditions.

Bulk Density : ~1.33 kg/l (at +27°C)    
 

>6 N/mm²  at 28 days                                                 (According to EN 1015-11)

≥0.8 N/mm²                  (Accordng to EN1348)
 

3-4 mm

+5°C min. / +45°C max.

+5°C min. / +45°C max.

90  minutes

~3 -4 kg powder required / Sqm for 3 mm average thickness.

Water: Powder = 0.22 to 0.24 by weight (6.6l to 7.2 l water per 30 kg bag).  Mixing Time : 3 minutes minimum

Sika® Block Joining Mortar must be mechanically mixed using a forced action mixer or in a clean container using a drill and mixing paddle (< 500 rpm). A normal concrete mixer is not suitable. Mix thoroughly with clean water for a minimum of 3 minutes. Leave material to stand in container until the majority of bubbles have dispersed (minimum 5 minutes).Then remix the material for 15 seconds - the product is now ready for use.

If the substrate is very porous, if the temperature is high and/or the relative humidity low, it is advisable to dampen the surface. Do not leave any standing water.

Apply a thin uniform Layer of Sika® Block  Joining Mortar  2 to 3 mm thick on the clean & levelled surface of masonry units using proper trowel

Place the next course of masonry units on evenly jointing mortar bed in proper line & level. Each masonry unit shall be properly bedded and set in position by gently pressing with handle of trowel.

Inside unit of the masonry unit shall be applied with mortar before the next unit is laid & pressed against it especially in case of bricks.

Clean the excess material, if any immediately. Continue the procedure for the entire masonry work.

Do not disturb the blocks /bricks setting for first 24 hours.

Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.