Sika 1 Pre-Bagged Screed Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing Systemand is the third layer of the floor screed system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix ratios for optimum application performance and durability. When mixed with water they provide the multicoat components for the structural waterproofing systems.
Type A waterproofing system according to BS8102:2009
Proven resistance to hydrostatic back pressure - Can be applied to wet substrates
Fully bonded waterproofing barrier - For use on concrete, brick and structural blockwork
Can be used internal and externally - may be applied to wall, floors and soffits
Used for negative or positive water pressure situations
Ideal for waterproofing of swimming pools and other water retaining structures
Also suitable for waterproofing basements, cellars, vaults and tunnels
Sika 1 Pre-Bagged Screed Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing Systemand is the third layer of the floor screed system.A new, upgraded Sika 1 Pre-Bagged Waterproofing System for superior performance and easier application.
The 4 Sika 1 Pre-Bagged Mortars, consisting of a blend of special cement and kiln dried graded aggregates, are ready-made with Sika 1 waterproofing admixtures included as a powder, removing the need for a separate liquid waterproofer – just add water. Packaged in 4 grades, each mortar is specifically designed for optimum application performance and durability.
The Sika 1 Pre-bagged waterproofing system consists of a 3 coatrender system for use on walls and overhead surfaces, and a 3 coatscreed system for use on the floor.
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.
Application Notes
Walls/Brick:
All existing treatments shall be completely removed and the exposed surfaces roughened by mechanical or water blasting techniques, followed by washing down and brushing to ensure full removal of all loose material
Mortar joints should be bonded and sound
Any defective mortar joint should be raked out to a depth of 12.0mm and repointed using Sika 1 Pre-Bagged Finishing Mortar made up with clean water
Walls/Concrete:
All laitance shall be removed to expose coarse aggregate by mechanical or water blasting techniques
On new concrete walls a retarder can be applied to the face of the shuttering followed by wire brushing and washing of concrete surfaces
Floors/General:
All existing treatments shall be completely removed and the exposed concrete floor mechanically prepared, washed down and brushed to ensure full removal of all loose debris to give an exposed aggregate finish, free of laitance, and surface contamination
Installation should be carried out by Sika Registered Contractors.
Please see the product and system data sheets for detailed application and mixing instructions.
Limitations
Puncturing the system can compromise its integrity
The structure and its elements must be capable of withstanding the developed water pressure and other anticipated loadings without cracking or delaminating
Advice should be sought from independently qualified personnel with knowledge of the structure and local ground conditions
Never score or scratch any of the render coats to provide a key
Do not use gypsum based plaster over Sika 1 Mortar Waterproofing System. Refer to plaster manufacturer for advice on suitability of product for use in waterproofing works
Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.
Sika 1 Pre-Bagged Spritz & Bonding Coat Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the first layer of the render or screed system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix...
Sika 1 Pre-Bagged Render Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the second layer of the render system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix ratios for optimum...
Sika 1 Pre-Bagged Finishing Mortar is part of the Sika 1 Pre-Bagged Structural Waterproofing System and is the third layer of the render system. These special mortars are pre-bagged kiln dried blends of specially graded aggregates and cements, with waterproofing admixtures, packaged in 4 grades at the appropriate mix ratios for optimum...
