A highly penetrative, thin bituminous solution used for priming concrete roofs, cementitious screeds, renders, bitumen felt and mastic asphalt prior to the application of bituminous materials. It dries to form an odourless and taint-free bitumen film. SKU: LDAM5402. Discover Bostik. Collage souple et puissant. In particular, a mastic’s composition and its mechanical properties have been shown to affect its fatigue as well as rutting resistance []. 08. 791. It primes and seals brickwork, cement renderings, roof tiles, concrete, mineralised felt, timber, metal, rainwater pipes. £ 25. Want to know more about Bostik, our history, our values or our strategy? Here you’ll find a wealth of information about us. jpg. 95. Bituminous Felt Adhesive. 12. 1,221. Bostik Limited, Common Road, Stafford, ST16 3EH, UK. Bostik Bituminous Mastic for Roofs dries to a flexible black material which remains soft and pliable for a long time after applicationBostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. Add to cart. Get to know Bostik Discover Arkema. Stp Tank Mastic Bituminous Coatings, 20 Ltr, Waterproof ₹ 160/ Kg. See more news. The stability of the rubberized open graded asphalt was 7,7 kn with a flow of 2,8 mm with 7 % bitumen and 2,4% rubber. Bostik Flashband 10m. Read more. Product; Read more. Bostik's Butyl adhesives and sealants are composed of butyl rubber and polyisobutylene. Heat-Resistant. 1000ml. Bostik Flashband Grey 10m x 225mm (22704) (435) compare. Avoid using micro-porous paints as they may not give. 88. Whether you’re looking for mastic sealant or bitumen sealant, we’ve got many products available from many trusted brands. Mastic multi-usages colle et joint Bostik MSP 107. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc. Pokoknya adalah bahan semula jadi yang sangat baik, sepanjang sejarahnya, manusia menggunakannya untuk pembinaan dan untuk mengatur kehidupan. Bostik Bituminous Mastic All Weather Trowel 5L 30618101. 49 £ 11 . Product overview. The incompatibility may cause discoloration, poorThe viscoelastic properties of the bituminous mastic significantly influence the overall mixture performance. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. ex. Bostik Bituminous Mastic for Roofs. A good quality conventional non-bituminous decorative paint system should be used and painting may be carried out when the protective skin has formed (approx. It dries to form an odourless and taint-free bitumen film. It can be used as a sealant in buildings for sealing narrow joints between window frame and wall. Product; SELF ADHESIVE FLASHING TAPE FOR ROOFS - 10 metre roll. Aqua Blocker MS Polymer technology combines the reliable crack-bridging and waterproofing performance of a traditional, thick-layer bitumen-based coating with the unbeatable ease of handling and application of a bitumen emulsion. Back. Product code. 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. Bostik Bituminous Waterproofer for Roofs. Rainproof in 6 hours. Products. Bostik Bituminous Mastic Is A Thick Heavily Bodied, Fibre Filled, Durable Bituminous Mastic. Produsul prezinta o serie de caracteristici ce ii. co. Bituminous Mastic. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. 73. jpg. 50 + £6. BOSTIK BITUMINOUS MASTIC Revision Date 08-Mar-2019 Supercedes Date: 15-Feb-2019 Revision Number 1. In accordance with DIN 18195, when applied at a weight of approx. Bostik Rito Bituminous Mastic Has A Wide Range Of Applications And Is Available In Tins For Trowelling And In Cartridges For Spot Or Bead Application. Read more. (£5. Mastic silicone neutre traité fongicide (anti-moisissures), spécialement destiné à la réalisation de joints d'étanchéité sur supports synthétiques. Product description. Frequently Bought Together: Roof Felt Adhesives & Primers. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. It also offers excellent primerless adhesion to many non-porous. Geographic availability. Today's Price: £27. We stock a wide range of Bostik products, including Cementone colours and compounds, waterproofers, silicone sealants, and multipurpose adhesives. Read more. Immediately resistant to rainfall and suitable for use on roofing felt, corrugated iron, fibre cement, slate, lead, copper, concrete and timber. No smoking P260 - Do not breathe mist/vapours/spray P273 - Avoid release to the environment 30810521 – 5ltr. VAT. jpg. Bostik-bituminous-mastic-roofs-400x300px. A multi-purpose trowel grade bitumen mastic Use for waterproofing, bedding, pointing, sealing and stopping. Bostik. Do not use on or against bitumen. Important Documentation. Read. BITUMINOUS MASTIC FOR ROOFS. VAT £6. Professional Grade Mastic is a high performance adhesive for the interior installation of most types of ceramic and stone tile (except moisture sensitive marble). Product; SELF ADHESIVE FLASHING TAPE FOR ROOFS - 10 metre roll. TDS SDS. Delivery. Bostik All Weather Trowel Bituminous Mastic is a multi-purpose trowel applied bituminous compound for waterproofing, stopping, bedding, pointing and sealing. BITUMINOUS MASTIC FOR ROOFS. Bostik-flashband-original-finish-lenght-10m-400x300px. Buy Roof Repair Products at Screwfix. waterproofing paint. jpg. It dries to a flexible black material, which remains soft and pliable for. View all: Bostik Roof Repair. This new family brings customers the application breadth, performance and confidence they have come to expect from Bostik. When tiling showers or other wet areas, apply thinset mortar with a notched trowel over a waterproofing membrane. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Avoid mastic squeeze up between tiles. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. 00. Low viscosity liquid. Bostik Bituminous Mastic for Roofs dries to a flexible. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. BITUMINOUS BLACK PAINT. Lead-Free. CLAIMED. Find out more about our locations. Information. This multi-purpose trowel grade bituminous material is perfect for bedding, pointing and sealing. 6. Bostik-flashband-original-finish-lenght-10m-400x300px. This places our focus on the impact of our products and systems throughout their entire lifecycle. BOSTIK BITUMINOUS MASTIC 5L Be the first to review this product. Bostik Bituminous Mastic All Weather Trowel 5L 30618101. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Bostik Waterproof Protective Coating Black Paint. BLACK BITUMEN PAINT Revision date: 11/02/2015 Revision: 1 Supersedes date: 04/08/2011 recovery or disposal (see section 13). Collage souple et puissant. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Bostik Powermix Waterproofing ₱ 998. This fibre reinforced bituminous mastic from Rito has been specially formulated to be highly resistant to weathering, becoming immediately rainfall resistant. Bostik Brushable Waterproofer for Roofs is a solvent based bituminous waterproofing compound containing a small percentage of fibrous filler. Bituminous Mastic. TDS SDS. Black Bitumen Paint ₹ 75/ Litre. If a sheet is cracked: clean, prime and apply a bandage strip of woven glass membrane embedded in Bostik Bituminous Mastic for Roofs. 99 Inc Vat. Back to top. Our mosaic tile adhesive is suitable for use in kitchens, bathrooms and outdoor areas subject to. Several analytical and numerical modelling approaches to predict the mastic properties from its. Bostik Bituminous Felt Adhesive for Roofs can be used to bond laps on single layer applications. finished mastic bed thickness of 1/32" after beat-in. Bostik Rito Bituminous Mastic dries To a soft flexible coating that remains soft and pliable for a long time after application. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Quick drying, low odour roof coating that offers waterproofing over most conventional flat roof substrates. Bostik Flashband Self Adhesive Flashing Tape for Roofs is easily applied using hand pressure and a seam roller, with no requirement for special equipment for cutting. £ 28. Bostik Bituminous Mastic for Roofs. Our range of mosaic and glass tile adhesives are non-slip, mold and mildew resistant and waterproof once cured. Not available for delivery. 01 Aquatic Chronic 2 (H410) Full text of H- and EUH-phrases: see section 16 Note: ^ indicates not classified, however, the substance is listed in section 3 as it has an OEL This product does not contain candidate. It offers excellent roll Waterproofing of Balconies and. Bostik Bituminous Mastic dries To a soft flexible. No smoking P260 - Do not breathe mist/vapours/spray P273 - Avoid release to the. 59 KB) Bostik Powermastik is a non-drying, oil based mastic, which provides a durable, waterproof seal for gutters, roof bolts, ducting, windows and doors. 95. Immediately resistant to rainfall and suitable for use on roofing felt, corrugated iron, fibre cement, slate, lead, copper, concrete and timber. £17. Bituminous Mastic can be used on mastic asphalt, roofing felt, corrugated iron, fibre cement, slate, lead, copper, concrete and timber. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. 7 out of 5 stars 50. Use for waterproofing, bedding, pointing, stopping and . Adapté pour l'étanchéité des fours, poêles systèmes industriels, de chauffage, composants de moteurs, etc. RESISTOSEAL PRO PLASTIC CEMENT is an all-purpose black mastic composed of bitumen, fibres, and mineral fillers with a low level of solvent. View all: Bostik Specialist Paints. Provides a hard wearing, protective layer on wood, metal and cement. It dries to form a tough, black waterproof coating and. Adhesives for every mosaic tile installation. Bostik Bituminous Mastic for Roofs dries to a flexible. Black in colour. 2 kg : Additional Information. When installing ceramic tile, an emulsion or ‘ready-mix’ adhesive is often perfect for the job, and will improve ease of application. 5 litres of water to 20kg Bostik Cempolatex Flexi-Deep. 5010591004443. Black. Get to know Bostik Discover Arkema Bitumen sealant: Our rubberized bitumen sealants are ideal for repairing flashings, sheet roof materials, gutters and downpipes. Download More Info; Rito Bituminous Mastic Datasheet ; Ex VAT Inc VAT. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc. Add to basket Bostik Waterproofing Black Downpipes, gutters & roofs Bituminous mastic, 5L. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. jpg. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. Roofing. ASIN : B00LXM2R9Q : Best Sellers Rank : 410,070 in DIY & Tools (See Top 100 in DIY & Tools) 284 in Roof Coatings & Paints:BOSTIK FIREBAN® ONE Bostik Australia Pty Ltd, Level 1, 6 English Street, Essendon Fields, Victoria, 3041, Australia. Regular price €6,95. High humidity and low temperatures will extend skinning time. £ 28. Bostik-brushable-waterproofer-roofs-400x300px. Bostik is a leading global adhesive specialist in industrial manufacturing, construction and consumer markets. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Help & Support. Bostik Bituminous Mastic All Weather Trowel 5L 30618101. Whether you’re looking to stop a leak, repair an existing roof, or fit a new roof, Bostik has a solution to support the step-by-step process of your next waterproofing project. Read more. Add to Basket. Ideal to protect Felt, Slate, corrugated zinc, Lead and concrete surfaces. Bituminous felt adhesive for roofs. Apply the mastic to the surface, and smooth down using a flat or rounded tool. Bostik A100 Showerproof is a ready-mixed wall tile adhesive designed for fixing ceramic wall tiles to most internal surfaces. Tel. Read more. per l. To avoid thickening and to assist. View all: Bostik Roof Repair. Bostik DIY South Africa Sealants - Powermastik Technical Data Sheet (298. Product; Multi-purpose trowel grade bituminous material. bostik bituminous mastic (rito mastic) 2. Version 14 Page 2 of 3 Full cure 7 days on porous substrates. jpg. Bostik-bituminous-felt-adhesive-roofs-400x300px. Bostik Limited, Common Road, Stafford,. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. £ 28. 293804. jpg. Bitumen Waterproofing Sheet Membrane. Bostik Limited, Common Road, Stafford, ST16 3EH, UK. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc. BOSTIK Flashband Original. 15501, 15502 1. Add to Basket. Product; Multi-purpose trowel grade bituminous material. Bostik Ltd, Common Road, Stafford, ST16 3EH. 90. This durable ritouminous mastic is suitable for sealing bolts, gutters and downpipes. This adhesive technology enables efficient waterproofing and sealing solutions. Bostik Flashband Primer S. Business. upstands or splits must be made good using Bostik Bituminous Mastic for Roofs. A comprehensive adhesive offering for the construction industry, providing reliable, flexible and waterproof joints for a broad range of applications. Bostik Bituminous Mastic for Roofs can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. 20/Ltr)upstands or splits must be made good using Bostik Bituminous Mastic for Roofs. Bitumastic Paints with this cut-back Bitumen are used in chilly weather conditions. Product code: 30810529. Smart innovations. It contains 60% recycled glass content and is one of the most innovative. 5Lt 293802. Top seal and trowel to a smooth finish. Bostik Solvent Free Waterproofer for Roofs 5L Black - 30811685. Rito Bituminous Mastic 2. Lead-Free. MKM Home Sustainable Building Shop by build. Not suitable for. Bostik Bituminous Mastic For Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. Product; SELF ADHESIVE FLASHING TAPE FOR ROOFS - 10 metre roll. Quickview. Mastic Ms polymères colle & joint, tous supports. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. 1. From jobs around the home to waterproof sealing for foundations, basement damp proofing and swimming pools – we’ve got you covered. Excl. Bostik Build is a high quality neutral-curing, low modulus 100% silicone sealant that provides a permanent flexible, durable, watertight. Bituminous roof mastic. If a sheet is cracked: clean, prime and apply a bandage strip of woven glass membrane embedded in Bostik Bituminous Mastic for Roofs. 14. Bostik Bituminous Mastic is a multi purpose, trowel grade fibre reinforced mastic. 79 + £4. Mastic silicone neutre pour la réalisation des joints d'étanchéité bâtiment. Want to know more about Bostik, our history, our values or our strategy? Here you’ll find a wealth of information about us. Product; SELF ADHESIVE FLASHING TAPE FOR ROOFS - 10 metre roll. Bostik Bituminous Felt Adhesive for Roofs is a cold applied adhesive for bonding bituminous roofing felts to asphalt, felt, metal and concrete. It can be brushed straight from the can onto substrates such as old roofing felt, asphalt, bituminous roof coatings, concrete, lead work, brickwork, metal*, slate and rigid PVC. • Many commercial and. Composition Resin modified bituminous mass Weight 1. Bostik Professional Grade Mastic is ready to use for a fast, professional installation and provides excellent vertical grab for large bodied tiles. Want to know more about Bostik, our history, our values or our strategy? Here you’ll find a wealth of information about us. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. It also mustBostik Bituminous Waterproofer for Roofs is a solvent borne bituminous waterproofing material. It can be applied to mastic. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. 1. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc. Arco Superbit 25 kg este un mastic bituminos din bitum distilat, aditivat cu elesto-plastomeri si material de umplutura inert. 11 - Buy Bostik Brushable Waterproofer Rufabrush For Roofs Black 5L direct from Buildworld. Bostik Limited, Common Road, Stafford, ST16 3EH, UK. Bostik Bituminous Waterproofer for Roofs. 6 . 99Inc Vat. Bostik Bituminous Black Paint is a protective coating for external waterproofing and weather protection for use on ferrous and non-ferrous metals, concrete, roofing felt, fibre cement, corrugated iron, asphalt and wood. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. This multi-purpose trowel grade bituminous material is perfect for bedding, pointing and sealing. upstands or splits must be made good using Bostik Bituminous Mastic for Roofs. 8. for pricing and availability. Waterproof a leaking roof. 9 approx. Read more. Immediately resistant to rainfall and suitable for use on roofing felt, corrugated iron, fibre cement, slate, lead, copper, concrete and timber. Bostik Limited, Common Road, Stafford, ST16 3EH, UK. High tack,. These adhesives address the challenge of thermal management in Cell-to-Pack (CTP) batteries for electric mobility. Prices; Reviews; Statistics; Product information; Only in stock. For further information refer to installation sheet supplied upon request. Gradually add the bag of Bostik SL C530 FLEX powder to the water, whilst continually mixing with anBostik Bituminous Mastic is a multi purpose, trowel grade fibre reinforced mastic. Product; Multi-purpose trowel grade bituminous material. joint sealant. ABOUT BOSTIK; Our History;Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing Product Information Bostik bituminous Mastic can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc. Bostik Bituminous Mastic for Roofs. Corporate. Bostik Bituminous Mastic All Weather Trowel 5L 30618101. Depending on the formula, these products can be solid or liquid at room temperature. Bostik Bituminous Waterproofer for Roofs. Covers 0. It can be applied to mastic asphalt, roofing felt, corrugated iron,. Bostik PH . Because it is glass-filled, it provides a unique aesthetic affect as it lets light pass. From jobs around the home to waterproof sealing for foundations, basement damp proofing and swimming pools – we’ve got you covered. Product; ALL WEATHER TROWEL FOR ROOFS. 73. PLEASE NOTE: Concrete substrate should NOT be smooth and reflective; it must have a concrete surface profile of CSP 1–3 similar to a broomed finish, as defined by ICRI (Guideline No. 75 metre rolls. Single application waterproofing compound for emergency repair and general maintenance of most roof types. 73 inc VAT. General purpose, solvent-based. Ceramic tile adhesive: Smart benefits. 9k) Shopee . Bostik Cementone Bituminous Mastic 2. 99Inc Vat. Bostik Flexacryl Instant Waterproof Compound for flat roofs is a flexible, single coat waterproofing compound that offers immediate waterproofing over most conventional roofing substrates. 2. Volume. upstands or splits must be made good using Bostik Bituminous Mastic for Roofs. waterproofing paint. Get to know Bostik Discover Arkema. Bostik Rito Bituminous Roof Mastic 300ml is a waterproof fibre reinforced mastic. Bostik Aluminium Solar Protector for Roofs is a bituminous based aluminium protective coating with light and heat reflective properties for use over bituminous coatings, aged asphalt and primed steel. €56. This commitment means prioritizing the well-being. Présentation du produit. Isolation membranes help protect the tile and grout from cracking due to building movement – a normal feature of modern residential construction. 30810533 - White - 300ml. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. SKU: AH-30811915. Additionally, our butyls adhesives and sealants do not dry or crack over time. Back. Product; Multi-purpose trowel grade bituminous material. Read more. Protect from frost. 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. 99 £33. Details of the supplier of the safety data sheet E-mail address SDS. Top seal and trowel to a smooth finish. BOSTIK Flashband Original. 5 mm. Back. Bostik Bituminous Waterproofer for Roofs. 95. jpg. 8m²/Ltr. Item has been added to your cart. £ 28. It can be applied onto existing roofs or mastic asphalt, roofing felt, corrugated iron, fibre/cement, slates, lead, copper and zinc 5 Litre. Bostik Bituminous Black Paint is ready for use and thinning is not normally necessary. Bostik Flashband Original Self Adhesive Flashing Tape for Roofs is a self-adhesive sealing bitumen strip which bonds instantly to provide a permanent watertight seal in all climates. Domestic & commercial use. Processing wood with bitumen mastic is a simple process, but here it is important not to be mistaken with the choice of composition. 6kg per square metre Product Codes Grey Finish – 3. Read more. Bostik P590 SEAL‘N’FLEX ONE PLUS POLYURETHANE SEALANT (sold per piece) ₱ 400. 99Inc Vat. (156) Write a review. Bostik. Remove loose screws then re-bed both screws and washers in Bostik Bituminous Mastic for Roofs and tighten. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. 7. Guarantee - Statutory. 5010591004382. Bargain Prices. Discover our Locations. Quantity. 100% Original Product. Product overview. Frequently Bought Together: Roof Felt Adhesives & Primers. 14. It is a mastic that is stable over a wide temperature range and features a good adhesion to. 9. Bostik Flexacryl Instant Repair for Roofs can be brushed straight from the tin onto substrates such as old roofing felt, asphalt, bituminous roof coatings, cement, concrete, lead work, metal, brickwork. Phone: 020 8524 1931 Fax: 020 8529 0103 Email: info@sealantsonline. Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. Multi-purpose trowel grade bituminous material. Bostik Flashband Self Adhesive Flashing Tape for Roofs is easily applied using hand pressure and a seam roller, with no requirement for special equipment for cutting,. (£5. 6. 99 Inc VAT £8. Bostik Bituminous Mastic Waterproof Coating/Sealant for Roof/Roofing 2. 6. Additionally, our butyls adhesives and sealants do not dry or crack over time. Semua gambar dari artikel. upstands or splits must be made good using Bostik Bituminous Mastic for Roofs. Aqua Blocke r achieves crack-bridging performance of > 5 mm with a cured coating thickness of 1. 10 + £3. Our innovative Trucolor grout is one of the most color-stable products on the market, and is the perfect grout to use if you’re after that glittery, 3D finish. 1. Bituminous Mastic is a multi-purpose, trowel grade material used for waterproofing, bedding, pointing, sealing and stopping. Bostik Bituminous Black Paint is a solvent-based protective coating for external waterproofing. 13. 50. It forms a protective self-healing skin on the surface keeping the body of the mastic permanently flexible in order. 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. jpg.