LARSEN Roofing Trowel Mastic 2.5L Black

Features:

  • Ready to use no thinning required.
  • Non-slump formula ideal for crack and roof repairs.
  • Water-resistant provides durable protection when dried.
  • Versatile application suitable for asphalt, bitumen felt, concrete and other roof surfaces. 
€29.95
Delivery in
1-2 Days
SKU
WBRC30502
Brand
Larsen

Larsen Roofing Compound Trowel Grade is a ready-to-use, solvent-based bituminous roofing mastic designed for repairing cracks, holes and defects in a wide range of roofing materials.

It features a thick, heavy-bodied formulation which provides excellent non-slump performance, making it ideal for targeted roof repairs, sealing applications and use as a glazing bar mastic on roof lights.

Suitable for asphalt, bitumen felt, asbestos, cement and concrete roofs, Larsen Trowel Grade Roofing Compound is easy to apply with a steel trowel or putty knife and provides water resistance once dried.

Features:
  • Solvent-based, thick and heavy-bodied bituminous roofing compound
  • Excellent non-slump characteristics, making it suitable for vertical and detailed repairs
  • Ready to use no thinning required
  • Easy application with a steel trowel or putty knife
  • Water-resistant once dried
  • Suitable for repairing cracks and defects in a range of roofing surfaces
  • Can be used as a glazing bar mastic on roof lights
  • Can be applied to damp, but not wet, surfaces
  • Available in 2.5kg 
  • Coverage of approximately 0.7m²/kg at 1mm thickness 
Technical Information:
Technical Property Specification
Form Black paste
Material Bituminous mastic
Packaging 2.5kg 
Coverage 0.7m²/kg @ 1m
Application method Steel trowel or putty knife
Water resistance Resistant to water when dried
Shelf life 12 months in unopened manufacturer’s containers
Flash point 39°C
Surface preparation Clean and free from grease, dust and loose debris
Damp surfaces May be applied to damp, not wet, surfaces
Primer Porous/dusty surfaces should be primed with Larsen Bitumen Primer
Cleaning White spirit
Storage Cool, dry, well-ventilated, frost-free location, away from direct sunlight
Maximum surface temperature Do not apply to surfaces that can rise above 65°C
Application restriction Do not apply over tar-based surfaces
Thinning Do not thin

 

FAQs:
What is Larsen Roofing Compound Trowel Grade used for?

It is primarily used for repairing cracks and defects in roofs, including asphalt, bitumen felt, asbestos, cement and concrete roofing. It is also suitable as a glazing bar mastic on roof lights

Can Larsen Trowel Grade Roofing Compound be applied to damp surfaces?

Yes. The technical data sheet states that it can be applied to damp surfaces, but the surface must not be wet.

How is Larsen Roofing Compound Trowel Grade applied?

The product should be applied using a steel trowel or putty knife. It should not be thinned before application.

What coverage does Larsen Roofing Compound Trowel Grade provide?

The stated coverage is approximately 0.7m² per kg at 1mm thickness. Actual coverage can vary according to surface condition and application thickness.

Note: Do not apply over tar based products and store out of direct sunlight.

My Building Supplies 0818 888 000 | 071 918 9841