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Mapei Idrostop B25
Mapei Idrostop B25

Mapei Idrostop B25

1767031
MAP9887

Mapei Idrostop B25 is a hydro-expansive, bentonite jointing tape for sealing the second pour of concrete in civil and industrial building work.

  • After expanding upon contact with water, Idrostop B25 adapts perfectly to the volume defined by the surrounding boundaries. Thanks to this property, it offers a perfect seal between the second pour of concrete
  • Able to perfectly seal the formation of localised honeycomb voids which are present in the concrete

Idrostop B25 is available in 5 m rolls with a cross section of 20x25 mm (box of 6)

For professional use only.

Colour
Size
£265.93(incl. VAT)
£221.61(ex. VAT)
Quantity
Please choose your colour
Available for Delivery (See Delivery Options Below)

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Description

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Features & Benefits


  • Uses:
    • Waterproofing between the second pour of concrete between bases and concrete header walls
    • Sealing between different types of material, for example PVC and steel pipes, which pass through concrete swimming pools, depuration tanks, storage basins and general hydraulic works
    • Sealing elements which pass through Mapeproof bentonite membrane, such as reinforcing rods, pipe-work, foundation piles, etc.
  • Water-stop material, composed of a mix of natural sodium bentonite and polymers which give the product exceptional properties of compactness, flexibility and stability, and is produced according to a formula developed in MAPEI’s own Research & Development laboratories
  • The material’s expanding process takes place in a controlled, gradual and uniform way without the risk of altering the balance of the mix
  • After expanding upon contact with water, Idrostop B25 adapts perfectly to the volume defined by the surrounding boundaries
  • Offers a perfect seal between the second pour of concrete
  • Idrostop B25 is able to perfectly seal the formation of localised honeycomb voids which are present in the concrete



Application


  • The surface of the concrete must be clean and sound at the time of applying Idrostop B25
  • Remove cement laitance and all waste material deposited on the surface during pouring operations
  • Idrostop B25 may also be applied on surfaces which are slightly damp
  • Idrostop B25 tape may be applied on concrete, metal and PVC after cleaning
  • Lay the Idrostop B25 and fix in position with nails every 25 cm
  • The ends of the tape must overlap by approximately 6 cm
  • The thickness of the second pour with Idrostop B25 protection must be at least 8 cm
  • Application temperature from –5°C to +50°C



Product Details
9887-983777

Data sheet

Manufacturer
Mapei
For Use By
Professional Use
Interior / Exterior Use
Interior & Exterior
For Use On
Concrete
Single, Two or Three Pack
Single
Pack Size
6 x 5m
Colour(s)
Dark green
Suitable For Use On
Concrete
Manufacturer
Mapei
Usages
Hydro-Expansive
Product Usage Type
Sealant
Product Range
Idrostop
Colour Family
Green
Attachments
Download


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.

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IMPORTANT SHIPPING & DELIVERY INFORMATION

Mapei Idrostop B25 is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.

Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.

Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.

All delivery costs below are excluding VAT