Everbuild 903 Bitumen Trowel Mastic - Black - 5 Litre
Everbuild Black Jack(r) 903 Bitumen Trowel Mastic is a black, heavily filled, bituminous compound ...Everbuild Black Jack(r) 903 Bitumen Trowel Mastic is a black, heavily filled, bituminous compound with added fibres for reinforcement, that is applied by trowel. It is used primarily for patching holes in roofs and bituminous coatings. The product forms a surface skin, but the mass below remains soft to allow for moderate movement. This 5-litre tub is suitable for use with all bituminous surface coatings and remains flexible for long periods after application.
This guide helps users effectively apply and maintain Everbuild 903 Bitumen Trowel Mastic, a black, fiber-reinforced bituminous compound. Ideal for patching holes in roofs and bituminous coatings, it provides a flexible, durable seal. Note that the mastic remains soft beneath the surface skin, allowing for movement.
All features
Colour
Black
Model Part Number
903
Brand
Everbuild
Extended Product Information
FAQs
How should I store the Everbuild 903 Bitumen Trowel Mastic?
Store in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the container is tightly sealed when not in use.
What tools do I need to apply the mastic?
You will need a trowel to apply the mastic. Ensure your tools are clean before use.
Is the mastic suitable for all types of roofs?
It is primarily designed for use with bituminous coatings and asphalt roofs. Always check compatibility with your specific roofing material.
How long does it take for the mastic to dry?
Drying time depends on environmental conditions such as temperature and humidity. Refer to the product label for specific drying times under various conditions.
Can I apply the mastic in cold weather?
Application in cold weather is possible, but it may affect the product's workability. Ensure the surface is free from frost or ice before application.
How much mastic do I need for a specific area?
Coverage will vary depending on the surface and application thickness. Consult the product label for coverage estimates.
Troubleshooting
Mastic is too thick to spread easily.
Ensure the product is at room temperature. If needed, gently mix the contents to soften the compound.
Mastic isn't adhering properly.
Ensure the surface is clean and dry before application. Consider using a primer if necessary.
Pros and Cons
Pros
Easy to apply with a trowel.
Reinforced with fibers for added strength.
Remains flexible to accommodate movement.
Compatible with a wide range of bituminous coatings.
Cons
May require multiple coats for thicker applications.
Surface remains soft which might not be suitable for all applications.
Application is weather-dependent.
Setup, Compatibility & Care
Preparation: Ensure the surface is clean, dry, and free from loose debris. Remove any existing loose material.
Application: Apply the mastic directly from the tub using a trowel. Ensure an even coating.
Compatibility: This product is compatible with all bituminous surface coatings.
Care: Store in a cool, dry place. Avoid prolonged exposure to extreme temperatures. Clean tools with a suitable solvent immediately after use. Always wear appropriate personal protective equipment (PPE).