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Bitumen Sealant

One component Bitumen mastic sealant for sealing, gluing and repairing bitumen surfaces.

  • Fast repairs of cracks, holes, fractures on roofs
  • UV and weather resistant
  • Remains Flexible
  • Excellent Adhesion to most surfaces
  • Applies to wet and damp surfaces
Bitumen sealant cartridge roofing repair New Zealand

Product Overview

MERZ Bitumen Sealant is a one-component bituminous mastic sealant for sealing, bonding and fast repairs on roofing and waterproofing surfaces. Supplied in New Zealand for trade
and contractor use.

They can be painted and applied to damp surfaces.

It adheres well to sheet metal, aluminium, copper, brass, ceramics, concrete, wall, mortar, roofing tiles, roof covering … It is UV resistant. It is also resistant to various weather conditions (rain, snow, extreme temperatures).

MERZ Bitumen Sealant available in New Zealand for roofing contractors, waterproofing applicators, civil and roading contractors, and construction teams. Compatible with most torch-on membranes and self-adhesive bitumen products commonly used in NZ residential and commercial construction. Stocked in Auckland, available nationwide. Enquire for current stock, pricing and minimum order quantities.

Find out how you can get Bitumen Sealant in Private Label

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Recommended Uses

  • Fast repairs of cracks, holes, fractures on roofs
  • Sealing spaces between the membrane and vertical wall
  • Suitable for sealing chimney covers
  • Sealing traffic loops
  • Use on eaves, gutters and skylights
  • Sealing spaces between the membrane and vertical wall

Advantages​

  • UV and weather resistant
  • Adheres to damp surfaces
  • Primerless adhesion to various substrates
  • Easy to use
  • Remains flexible

Bitumen Sealant Packing​

Bitumen Sealant can be supplied in cartridges or sausages depending on the requirement.

600ml sausages | 310ml cartridges

Color: Black

Media & Downloads​

Frequently Asked Questions about Bitumen Sealants

What is Bitumen Sealant?

Bitumen Sealant is a one-component, bitumen-based sealant designed for sealing and bonding on roofs. It contains bitumen solvents and is ideal for fast repairs and waterproofing applications.

Do I need to use a primer before applying Bitumen Sealant?

No, Bitumen Sealant does not require a primer and adheres well to clean, stable surfaces — even when slightly damp.

Is Bitumen Sealant UV and weather-resistant?

Yes, Bitumen Sealant is resistant to UV radiation and varying weather conditions, making it suitable for outdoor applications.

Can Bitumen Sealant be applied in wet conditions?

Yes, it can be applied to damp surfaces, but it is recommended that the area is clean and free of standing water for optimal adhesion.

What materials is Bitumen Sealant not compatible with?

Bituemn Sealant is not suitable for bonding to polyurethane or polystyrene materials, as the bitumen solvents may damage or degrade them.

What is the best method for applying Bitumen Sealant?

Apply directly from the cartridge using a standard caulking gun. For best results, smooth the bead with a trowel or putty knife. Ensure surfaces are clean, dust-free, and stable.

How long the Bitumen Sealant takes to dry?

Drying time varies depending on atmospheric conditions, the thickness of the applied layer and the porosity of the substrates. The actual drying time varies between 12 hours to several days

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