SBR Bonding Additive 5L
Rating: 80 / 100
An SBR additive giving a high performance water resistant SBR bonding agent and admixture for adding to sand/cement renders, cementitious flooring screeds and repair compounds.

Availability: In stock

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RRP £31.00 Excl. VAT
£16.95 Excl. VAT £20.34 Incl. VAT
Description

SBR Bonding Agent

PermaBond SBR is a high performance SBR bonding agent. When added to sand/cement renders, cementitious flooring screeds and repair compounds, it dramatically improves the water resistance, flexibility and durability.

It is designed for use both externally and internally in areas of intermittent or continuous water contact. It is especially suitable for renders and floors with high abrasion resistance and for patching and bonding onto substrates of low suction.

SBR Additive for Render

PermaBond SBR can be used as an SBR additive for render. See the data sheet for information on how to use in various mixes for different applications. 

How SBR Bonding Additive Works

The aqueous dispersion of Styrene Butadiene Copolymer gives this product its high performance water resistance.

Using SBR Bonding Slurry

An SBR bonding slurry is recommended to improve the adhesion of cement-based mixes onto surfaces of low suction. It can also be used as a treatment prior to applying any SBR modified mix. It is ideal for dry substrates to prevent suction as well as non-porous and extremely flat substrates.  

Preparation

All surfaces should be sound and free from any oil, grease and surface water.

If you are dealing with high suction surfaces, you need to thoroughly dampen them before the application of the SBR slurry.

You should prepare the surface by using a mechanical scrabbling or grit blasting to give a clean fresh exposed surface.

Applying the SBR Slurry

Before applying render or screeds, you need to produce the SBR bonding slurry. To do this dilute SBR Bonding Additive with an equal volume of water then mix to a smooth creamy consistency with ordinary Portland Cement.  

The approximate mix is 1 part SBR: 1 part water: 5 parts cement (by volume). The resulting SBR cement slurry gives an approximate coverage of 30m² per 5 litres of SBR per coat.

Note: Do not over mix - you want to prevent excessive air in the SBR slurry. Hand mixing is strongly recommended.

The SBR slurry should be brushed vigorously into the surface to an approximate 1mm thickness. Apply subsequent coatings such as your render or top coat while the bonding slurry is still wet. If the slurry dries out then a further coat must be applied.

Other Uses of SBR Slurry

The SBR bonding agent can also be used in the following situations (for more information on these applications download the data sheet or call our technical team)

  • Rendering – produce dense impermeable renders in areas where water or chemical resistance is required
  • Bedding Mix - used for bonding tiles, kerb stones, coping stones, mosaics, brick slips
  • Patching Mix - used for patching renders or concrete.
  • Damp Proofing - SBR slurry can be used in basements where dampness is expected from behind the plaster
  • Flooring - produce high quality, hard wearing 

 

If you have any questions about using the SBR bonding additive then call Permagard on 0117 982 3282.

Features:

  • Improves adhesion and bonding
  • Suitable for use in damp conditions
  • Improves workability, strength and abrasion resistance
  • Reduces shrinkage and cracking and improves flexibility
  • Improves chemical and water resistance
  • Allows reduction in water content 
  • 48% Solids content (Professional grade)
Specification
Specification
Model: SBR5
SKU SBR5
Manufacturer: Permagard
Packaging: individually
Size: 5 Litre
Dilution: as per data sheet
Coverage: as per data sheet
Reviews  
(1)

Satisfied Customer

An all-round excellent product and good value for money. Thanks Permagard!
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Review by Nick Jones on 17 May 2012

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