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Description
Bostik All Weather Brush Bituminous Waterproofer – 5L / 22.5LHeavy Duty, Solvent Based Waterproofing for Roofs Bostik All Weather Brush is a premium grade, solvent based bituminous waterproofer designed for application on all common roofing materials. It dries to form a tough, black protective coating that provides immediate resistance to water ingress. This formulation is ideal for use in conditions where rain or frost prevents the use of water based emulsions. Key Features & Benefits Instant Waterproofing:
Heavy-Duty, Solvent-Based Waterproofing for Roofs
Bostik All Weather Brush is a premium-grade, solvent-based bituminous waterproofer designed for application on all common roofing materials. It dries to form a tough, black protective coating that provides immediate resistance to water ingress. This formulation is ideal for use in conditions where rain or frost prevents the use of water-based emulsions.
Key Features & Benefits
- Instant Waterproofing: Provides protection upon application—ideal for emergency or cold-weather work
- Compatible with Most Roof Types: Apply to mastic asphalt, roofing felt, slates, lead, zinc, copper, fibre cement, and corrugated iron
- Brush-On Consistency: Heavy-grade compound allows easy, controlled application
- Weather Resistant: Withstands rain, frost, and UV exposure for long-lasting performance
- Forms Tough Black Film: Dries to a durable, water-resistant finish
Technical Specifications
- Colour: Black
- Form: Paste / thick liquid
- Specific Gravity: Approx. 1.0
- Composition: Filled bitumen solution with organic fibre content
- Coverage: Approx. 0.7 L/m² per coat; two coats for optimal results
- Drying Time: Typically 24 hours (depending on conditions)
- Application Temperature: +5 °C to +35 °C
- Service Temperature: –10 °C to +85 °C
- Shelf Life: Up to 24 months unopened
Application Instructions
- Ensure the surface is sound, dry, and free from rust, dust, and contaminants
- Prime porous or dusty surfaces with Bostik Penetration Primer
- Stir well before use. Apply with a brush at 0.7 L/m² per coat, in at least two coats at right angles
- Allow each coat to dry fully before recoating
- For reinforcement, embed a fibre mesh between coats if required
- Clean tools with white spirit immediately after use
Safety & Storage
- Store in a cool, dry place between +5 °C and +35 °C
- Keep upright and tightly sealed when not in use
- Wear protective gloves, clothing, and eye protection during use
- Refer to the product SDS for full handling and first aid information
Bostik All Weather Brush is the go-to solution for reliable bituminous roof protection where traditional emulsions are unsuitable. Its instant waterproofing action and robust finish make it ideal for professional roofing repair and protection year-round.
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4.6 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 2
A masterfully falsified history of the late Soviet developments
Format: Paperback
This book represents academic propaganda, providing some interesting insights into important events. Some details are true, but some crucial details are omitted. It represents a sanitized version of Russia's modern history. It provides misleading information about Gorbachev's constitutional reforms, aimed at partitioning of 15 republics into 53 confederation entities. Originally, the targeted republics were Kazakhstan, Moldova, Georgia, Azerbaijan, Ukraine, etc. Those conflicts were manufactured by the Soviet center to discredit "nationalists," facilitate the partition of national republics, and grant Moscow right to protect ethnic minorities. According to Starovoitova, Bakatin, Yakovlev, and a few other primary sources, the Soviet security services led special operations in the Caucasus and Central Asia to provoke those conflicts. Zubok avoids citing those parts. Using the imperial approach of "divide and rule," Moscow attempted to become a peacekeeper in the conflicts it created between different ethnicity.
In addition to fragmenting the republics with well-developed national identities, Gorbachev's new constitution would revoke their right to leave the USSR, written in Lenin's 1922 Constitution (Shakhnazarov, 1992). Zubok does not explain any of it. His book is an effort to protect the truth and conceal facts with Russian myths and lies about nationalism (also referred to as Nazism). Notably, Zubok does not recognize non-Russian republics and describes them as "territories." He mentions Pitsunda as a resort on the Black Sea, not as Georgia. For lying about the genocidal ethnic cleansing conducted by the Russian military against the Georgian population of Abkhazia, Zubok owes apology to the victims of conflicts and wars initiated by Gorbachev and carried on by Yeltsin.
The story about "the hardliners coup against Gorbachev" is also a big fat lie. American scholars, Amy Knight, John Dunlop, and William Odom provide more accurate insights. For Russian sources, read Marshal Shaposhnikov or Aleksandr Lebed's memoirs (1995) and listen to Gennady Yanaev's interview (2009). According to Mitrokhin archives (original), the August 1991 coup was an active measure the KGB developed per Gorbachev's request. The so-called coup was part of Gorbachev's constitutional reform, which would lead to the removal of unfriendly leaders (including Yeltsin) from the republics. It failed because the Soviet military brass, foremost Pavel Grachev, had defected to Yeltsin earlier in 1991. When you read a book by a seasoned Russian propagandist, like Zubok or Trenin, take it with a grain of salt, because it will always contain a mix of lies and truth.
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Reviewed in the United States on March 16, 2023
★★★★★ 5
An important work and worth the time.
Format: Hardcover
Real scholarship addressing difficult but important topics in history, economic history, and development. What every economist should read to think much more deeply about how institutions, culture, and human agency interact. At the same time, scholars like the three co-authors demonstrate that there still remains the possibility of doing work that isn’t larded with ideological or activist posturing. Highly recommended.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Excellent research and well written by a Noble Laureate
Format: Hardcover
Excellent research and well written.
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Reviewed in the United States on December 10, 2025
★★★★★ 2
should have been shorter
Format: Hardcover
really interesting approach - but far too wordy
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Reviewed in the United States on February 3, 2026
★★★★★ 5
6 year old loves these books
Format: Paperback
One of my son’s favorite book series.
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Reviewed in the United States on May 1, 2026