Bitumen-tom (membranes, primers)

POLYBIT BITUPLUS E 4250 G

High performance double reinforced SBS modified bituminous membrane.

Heavy-duty application
Resistane to puncture
Exceptional dimensional stability under pressure

SDSS (5)

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Description
How to Use
FAQ

Product Description

POLYBIT® BITUPLUS E 4250 G is used for applications such as waterproofing protection of concrete bridge decks, roofs, multi-storey car parks and other applications that demand an exceptionally stable membrane.
Available pack size: 1x10m

Heavy-duty application
Resistane to puncture
Exceptional dimensional stability under pressure
Extreme tolerance to thermal shock

How to Use

SURFACE PREPARATION, PRIMING & Aligment

Clean the surface thoroughly of all loosely
adhering particles. Sharp protrusions if any are to
be removed. Dampness or dew settled on the
concrete surface is to be removed and brought to
a dry condition.
Apply a coat of POLYPRIME SB (Solvent based
bitumen primer) on to a clean, dry and smooth
surface. Refer primer data sheet for further details.
Alignment
Unroll and align BITUPLUS E 4250 G and re roll correctly
before torching. Overlap should be a minimum of
100 mm.

TORCHING

Use gas burner to heat substrate and the
underside of BITUPLUS E 4250 G. Embossing on the
lower face of the membrane allows a fast and safe
laying. When embossing disappears, after
torching the membrane is ready to stick. Roll
forward and press firmly against the substrate to
bond.

UP STAND

All angles and abutments should be sealed with
extra care to ensure full bondage. Seal the edges
well into the grooves and protect with BITUMASTIC or equivalent polysulphide sealant.

Frequently asked questions

It is recommended using solvent based bitumen primer conforming to ASTM D 41

Yes. It msut be protected from damages that may happen during the site activities.

No. It is not necessary to use bonding agents or twin sided tape for fixing on torch applied membranes. It can be applied by torching.

Works Well With

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POLYBIT POLYPRIME SB

A quick drying solvent based low viscosity bitumen primer. It is used as a primer coat on masonry and concrete substrates to improve the adhesion of bitumen based membranes and coatings.

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POLYBIT Bitumastic

Bitumastic is a single component, solvent based bitumen rubber mastic joint sealant.

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