Sika® 1 pre-bagged structural waterproofing system mortars are pre-bagged kiln dried blends of specially graded aggregates and cements packaged in four grades at the appropriate mix ratios for optimum application performance and durability.

System includes:

- Sika® 1 pre-bagged render system consisting of three coats:

1st coat: Sika 1 Spritz and Bonding Coat Mortar at 6 mm.
2nd coat: Sika 1 Render Mortar at 6 mm.
3rd coat: Sika 1 Finish Mortar at 6 mm.
Total system thickness: 18 mm (minimum). Additional coats of Sika®-1 Render Mortar can be applied if necessary.

- Sika® 1 pre-bagged screed system consisting of three coats:

1st coat: Sika® 1 Spritz and Bonding Coat Mortar applied as bonding slurry.
2nd coat: Sika® 1 Spritz and Bonding Coat Mortar at 10 mm.
3rd coat: Sika® 1 Screed Mortar at 20 mm.
Total system thickness: 30 mm (minimum).

All the above are minimum thickness, maximum thickness depends on substrate, working conditions and requirements. Loading conditions may require the screed mortar thickness to be increased.

Benefits:

90 years track record.
Type A waterproofing system according to BS 8102–2022.
Proven resistance to hydrostatic back pressure.
Fully bonded waterproofing barrier.
Can be applied to wet substrates.
For use on concrete, brick and structural blockwork.
Can be used internal and externally.
Can be applied to wall, floors and soffits.
Quality controlled system.
Used for negative or positive water pressure situations.

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