STREXTRA EFS- is not a cementatious  product, but an epoxy like performance product, with the advantages of exceptional durability, UV stability, no curing and ultra-rapid repair-to-service time of barely 20 minutes

Strextra EFS is available in various grades inlcuding- coarse/ fine grannulometry,  flowable/thixotropic consistency, setting times, and strength requirements, ask us which grade is most suitable as per your application; since this product has exceptional mechanical properties including compressive strength, flexural strength, tensile strength and bond strength, along with UV stability and abrasion resistance.

For completing a road repair (pothole/ resurfacing) project, what you will need is the following:-

  1. RAZON Strextra EFS- 30 kg bags
  2. Wire brush OR a portable angle grinder with wirebrush wheel
  3. Long handle squeegee
  4. drill machine
  5. Paddle mixing blade (paint stirrer attachment to drill)
  6. Bucket
  7. Measuring pail
  8. Chisel
  9. Hammer
  10. Wire brush
  11. Finishing broom
  12. Gloves
  13. Safety glasses

Project Instructions

Strextra EFS Can be applied from freezing temperatures to upto 45 Degrees Celcius and where humidity is <85% for atleast 30 minutes.

Step 1
Surface Preparation:

  • Rigorously clean old concrete with mechanical equipment like a wire brush or better if you use a grinder with wire brush wheel to ensure proper adhesion of the new surface to the old concrete.
    NOTE: use a degreasing chemical must be used to remove any dirt, oil, grease or deteriorating concrete.
  • Prepare deeply spalled areas like potholes, and repair large cracks with RAZON Super EPB 525.

Step 2
Mix the Strextra EFS using a bucket and a paddle mixer attachment on a drill machine (hand mixing and standard concrete barrel-type mixers cannot be used for this application).

TIP: it is important that control joints and expansion joints are maintained to allow for slab movement.

Step 3
Measure and add 3.3 litres of cool potable water to a bucket to mix one 30-kg bag of Strextra EFS (the strextra powder should be poured into the mixing water).

Step 4
Mix for about 60 seconds until a lump-free pourable consistency is achieved. If the mix is too thick, add water sparingly to reach the consistency of syrup; if the mix is too thin, additional powder can be added.

Step 5
Pour the Strextra EFS onto the concrete.

Step 6
Evenly spread the Strextra EFS back and forth onto the slab.

Step 7
Using a concrete broom provide surface roughness within 10 minutes of mixing.

TIP: make full broom strokes across the entire distance of the work area without stopping (all broom strokes should be made in the same direction for uniformity of appearance).

Step 10
Allow traffic over the area between 6-8 hours of mixing  and placing. NO CURING REQUIRED

You can buy Strextra EFS, for repairing concrete roads of schools, colleges, highways, societies, mall parking lots, pavements of colonies, industrial shop floors, floors of industrial / walk into freezer units etc.

BUY NOW by sending us your address through our contact page- we will deliver it to your address. Mention STREXTRA EFS in the subject line on our contact page.

PEOPLE WHO READ THIS ALSO READ ABOUT :-

a> HOW TO REPAIR CRACKS IN CONCRETE PAVEMENTS PERMANENTLY (USING RAZON SUPER EPB) – Click Here

b> HOW TO REPAIR SURFACE EROSION OF CONCRETE PAVEMENT MOST ECONOMICALLY AND YET MOST DURABLY(USING BSF 419C) – Click Here

c> STITCHING CONCRETE PAVEMENT CRACKS AND JOINTS (Using Strextra EFS)- Click Here

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