Product Description
No matter what type of roofing you have that needs weatherproofing, this Bostik Brushable Waterproofer Rufabrush For Roofs Black 5L can provide you with what you need. The product is a contract-grade waterproofing material that can be used on just about any type of roofing materials, including roofing felt, mastic asphalt, slates, fibre cement, lead, zinc and copper. After the surface has been prepared and allowed to dry, you can lay the product on top to provide the last powerful layer of waterproofing to provide excellent resistance to rain as well as frost.
- Colour : Black
- Pack Size : 5 Litre
- It is a solvent based bituminous waterproofing compound containing a small percentage of fibrous filler
- Dries to a tough, black coating
- As a heavy brush coating for roof waterproofing and the resealing of existing roofs it can be applied onto mastic asphalt, roofing felt, corrugated iron, asbestos/fibre cement, slates, lead, copper and zinc
- Recommended where the threat of frost or rain prevents the use of a water based waterproofer.
- Form : Liquid
- Specific Gravity : 1.0 approx
- Composition : Solvent borne bituminous compound
- Application Temperature : +5 degree C to +35 degree C
- Service Temperature : -10 degree C to +85 degree C (depending on operating conditions)
- Coverage : 1.2m2 - 1.5m2 per litre per coat depending on the porosity of the
- surface
- Drying Times : 24 hours under average conditions. Allow 24 hours between coats.
- Solvent for Cleaning Up : White spirit or paraffin (kerosene)
Storage/Shelf Life:Store and transport this container in a secure upright position. Ensure the lid is secure. Store for up to 24 months from date of manufacture in original, unopened packaging under cool, dry conditions within the temperature range of +5 degree C to +35 degree C and out of direct sunlight and away from sources of heat and ignition. Protect from frost.
+ Delivery & Returns
- Advantages :
- For existing roofs
- For all common roof surfaces
- Brush on
- PREPARATION :
- Can only be applied to surfaces which are completely dry, and great care must be taken to ensure that when applied to bitumen felt no moisture is contained within the felt.
- Ensure the roof surface is structurally sound, clean, dry and free from surface contaminants such as grease, oil, rust and dirt.
- Remove any organic growth i.e. moss or lichen with Bostik Fungicidal Wash.
- Any blisters in existing felt should be split, allowed to dry, rebonded and sealed. Any cracks, defective upstands or splits must be made good using Bostik Bituminous Mastic for Roofs.
- If the surface is porous, dusty or friable after cleaning or covered with weathered bitumen, prime with Bostik Penetration Primer for Roofs and allow to dry.
- To avoid thickening and to assist application in cold weather, store Bostik Brushable Waterproofer for Roofs in a warm room overnight prior to use
- APPLICATION :
- Stir well before use.
- Should be applied with a stiff long handled brush for larger areas or a hand brush for smaller patches. Where possible we recommend using disposable brushes for the application.
- Brush apply two thin coats at a rate of 1.2 – 1.5m2 per litre at right angles to each other. Allow each coat to dry thoroughly before application of the next.
- If a high build application is required with extra reinforcement, a layer of open-woven glass fibre or an open-mesh polyester membrane should be embedded into the first coat of compound while still wet (ensuring a minimum of 50mm overlaps). This should then be overcoated with two successive coats for Roofs each at the same rate of 1.2 – 1.5m2 per litre allowing thorough drying time between applications.
- In order to prolong the effective life of the dried coating, overcoat with a suitable solar reflective coating
- CLEANING :
- Clean tools and equipment immediately after use with white spirit or paraffin (kerosene).
- Dried product is difficult to remove.
- Where possible we recommend using disposable brushes for the application of this product.
Specification
- Pack Size
- 5 Litre
- Colour
- Black
- Form
- Liquid
- Specific Gravity
- 1.0 approx.
- Composition
- Solvent borne bituminous compound
- Application
Temperature
- +5 degree C to +35 degree C
- Service Temperature
- -10 degree C to +85 degree C depending on operating conditions
- Coverage
- 1.2m2 - 1.5m2 per litre per coat depending on the porosity of the surface
- Drying Times
- 24 hours under average conditions.
Allow 24 hours between coats.
- Solvent for Cleaning
Up
- White spirit or paraffin kerosene
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