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Everbuild 503 SBR BOND – Pallet Deals and Bulk Buy

Everbuild

Everbuild 503 SBR BOND

LATEX BASED WATER RESISTANT BONDING AGENT, PRIMER AND ADMIXTURE

Everbuild 503 SBR Bond is a latex based, water resistant bonding agent and admixture for use in areas subject to humidity, dampness and continuous water contact.

It improves water resistance of cement mixtures by forming a reinforcing polymer that increases long-term durability and flexibility of the mix on renderings and floor screeds.

  • Improved adhesion to a wide range of substrates
  • Excellent resistance to water and water vapour
  • High level of resistance to salt permeation
  • Reduced surface dusting of concrete
  • Improved frost resistance

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£55.92£1,447.60 +VAT

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£1,447.60 +VAT
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Everbuild 503 SBR BOND extended information

Yield: As a rough guide, 1.2 litres of EVERBUILD® 503 Premium SBR Bond will cover 1m2 of 12mm thickness using the below mixes.

EVERBUILD® 503 Premium SBR Bond is a latex based water resistant bonding agent and admixture for use in areas subject to humidity, dampness and water contact. Improves water resistance of cement mixtures by forming a reinforcing polymer that increases long term durability and flexibility of the mix on renderings and floor screeds. It contains anti-foam to control the density of cementitious mixes.

USES

  • As an admixture for mortar/screeds/renders.
  • As a bonding agent for screeds/renders
  • As a primer/sealer in tiling applications.
  • To increase flexibility for cementicious based tile adhesive when tiling on wooden/asphalt floors.
  • In addition, Everbuild 503 SBR Bond has the advantage over PVA bonding aids in that it is not adversely affected in wet conditions and is therefore recommended for exterior use.

Everbuild 503 SBR BOND Characteristics / Advantages

  • Greatly improved adhesion to a wide range of substrates including dense concrete, steel, tiles etc.
  • Mixes may be applied in much thinner sections
  • Excellent resistance to water and water vapour
  • A high level of resistance to salt permeation
  • Much improved toughness and flexibility
  • Reduced surface dusting of concrete
  • Greatly improved resistance to many chemicals
  • Reduced water: cement ratio for equivalent workability
  • Improved frost resistance
  • SBR Bond is also freeze thaw stable.
pHca. 9.0
Viscosity100 cP (RVT 1/10rpm)
M.E.F.T0°C
Freeze Thaw resistancePasses 5 cycles at -10°C -
excellent
Calcium lonsCompatible
Aluminium Ill lonsCompatible
AntioxidantAdded
BactericideAdded

Everbuild 503 SBR BOND Product Information

Packaging500ml, 2.5ltr, 5ltr and 25ltr plastic containers
ColourWhite
Shelf Life12 months from date of manufacture in original unopened containers.
Storage ConditionsEVERBUILD® 503 Premium SBR Bond is best stored at 5 to 25 9C. However
if frozen, the latex should be thawed slowly. EVERBUILD® 503 Premium SBR Bond should preferably be stirred before use.
Densityca. 1.02kg/Itr
Solid content by weight38-42%
ConsistencyLiquid

APPLICATION INSTRUCTIONS

SUBSTRATE PREPARATION

All surfaces must be clean, dry and free from dust, grease and other contaminants.
The background must be capable of withstanding all stresses which will be put onto it and contain the appropriate joints. If it is to receive a topping the background should have a compressive strength greater than 30N/mm2 and/or a tensile strength greater than 1N/mm2.

Floors should be mechanically prepared, eg scabbled or shot blasted, to give an aggregate exposed surface. Dust should be removed by vacuum, not compressed air. All contaminants such as oil, grease, or any surface laitence must be removed to ensure adequate development of bond when the topping is applied. A water drop test is the simplest method to determine whether water repellent contamination is present.

MIXING

Mixing procedures for topping and screeds containing EVERBUILD® 503 Premium SBR Bond are similar to those used to conventional compositions, with gauging water partly replaced by EVERBUILD® 503 Premium SBR Bond. However, mixing time should be minimised to limit air entrainment.

Mixing should be carried out in a forced action mixer. The usual procedure is to pre-mix sand and cement in the mixer, pour in the EVERBUILD® 503 Premium SBR Bond, mix for 1 – 3 mins, then slowly add water to the required consistency.

NB Over addition of water causes rapid thinning of latex modified mortars owing to the plasticising effect of the latex.

The mix design depends upon thickness and intended use. However, typically mixes for a 12mm topping or screed are as follows:

ScreedTopping
O.P.C11
Moist sand3.51.75
3mm Washed Granite01.75
SBR Bond0.20.2 (ie. 10 lites per 50kg of cement)
WaterAs requiredAs required

APPLICATION METHOD / TOOLS

Application of a primer coat is necessary to obtain maximum adhesion of the topping or screed.

Everbuild 503 SBR BOND – FLOORING APPLICATIONS

This concerns the use of EVERBUILD® 503 Premium SBR Bond in screeds and toppings over background concrete. Adding EVERBUILD® 503 Premium SBR Bond
to a floor screed or topping gives the following advantages:

  • A low water:cement ratio allows a minimum of delay when overcoating is required.
  • Reduced permeability to liquids.
  • Improved chemical, abrasion and impact resistance.
  • Resistance to dusting.
  • Thinner screeds, achieving reduction in weight and savings in materials.
  • Excellent slip resistance.
  • Goods underlay for epoxy surfacing.
  • EVERBUILD® 503 Premium SBR Bond has a long and successful track record of use in the construction industry.

SELECTION OF MATERIALS

To obtain maximum performance from mixes modified with EVERBUILD® 503 Premium SBR Bond it is important that attention is paid to the quality of the other materials used.

  • Sand should be well washed and sharp. The grade of sand will depend upon the mix design.
  • Cement Portland, High Alumina and sulphate resisting cements are compatible with SBR Bond. Portland cement should be fresh but cool. Cement containing air set lumps should not be used.
  • Coarse aggregate e.g. Granite chippings. These should be dust free.
  • Air entraining agents These should not be used.

POT LIFE

The mix has a pot life of approximately 30 minutes and batch size should be calculated accordingly.

Everbuild 503 SBR Bond APPLICATION

  1. Apply topping or screed onto wet or tacky primer.
  2. Compact and level with screed bar.
  3. Finish with steel float. It is essential that the top ping or screed is finished as the work proceeds.
  4. The topping or screed would be cured for 1 – 2 days using conventional techniques. Curing should be started quickly after application.

Notes:
Joints in the screed or topping should coincide with the joints in the background.
It is easier to lay the mix if the ambient temperature is below 25°C
If overcoating the screed, oleoresinous floor finishes should be avoided.
It the water drop test indicates the presence of water repellants, it may be more suitable to use and epoxy primer in place of the latex/cement primer.

CLEANING OF TOOLS

All tools should be cleaned immediately after use with water because hardened EVERBUILD® 503 Premium SBR Bond modified toppings and screeds have excellent adhesion and are therefore difficult to remove. Solvents such as white spirit used with coarse wire wool help to remove partially hardened mortar.

LIMITATIONS

In common with other SBR products, Everbuild 503 SBR BOND is not suitable for colored exterior decorative renders which will not be subsequently overpainted. Its poor UV resistance may cause discolouration.

 

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