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Kingfisher Asbestos Roof Coating provides long term water proofing, fibre encapsulation and transformative finish on asbestos cement roofs. Ideal for extending the life of corrugated asbestos cement sheets found on many industrial buildings and older domestic garages. Brush or airless spray application.Read More
Due to ADR regs on transport of flammables we can only send 25L drums of solvent product via premium rate special carrier, hence minimum FREE carriage order is 4 x 25L or ring for a quote. Alternatively, you can still collect single 25L drums at our Ulverston or Glasgow trade counters.
phone01229 869100
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Before explaining the benefits of the product, it is worth reflecting on a few points about asbestos cement (AC) roofing which explain why the material might be worth saving in the first place. Leaving aside for a moment the very real health concerns associated with its original manufacture and installation, AC sheets were hugely successful for the following reasons:
a) They were and are a highly durable material.b) They were extremely versatilec) Compared to corrugated tin sheets they were quieter in heavy raind) They did not suffer from condensation in winter
This last point is really important because compared to corrugated “tin” or steel box profile AC sheets do not “rain” condensation in cold weather. Many people have replaced asbestos roofs with steel sheeting only to regret the decision. Of course the modern equivalent of AC is cement fibre sheeting but these are usually more costly to install.
Kingfisher Asbestos Roof Coating was developed to provide users with 3 x key benefits:
SAFETY - FIBRE ENCAPSULATIONPERFORMANCE – RESTORES WATERPROOFINGAESTHETIC APPEAL – ATTRACTIVE SATIN FINISH IN VARIOUS COLOURS
Managing asbestos in buildings is a legislated obligation for property owners and is of particular concern for those involved in letting, occupying, marketing or maintaining commercial and industrial properties. This is largely because asbestos cement was used very extensively in such buildings for decades, before the full extent of its toxicity was properly understood.
Asbestos containing materials (ACMs) are also found in domestic flats and houses, although generally to a lesser extent.
As a versatile and heat resistant material, it was used in its varied forms in the manufacture of heat shields, gaskets, heating plant, flooring and roofing to name but a few. And since it was never going to be practical or indeed necessary to remove all asbestos after it was banned in 1999, the focus since then, has been on managing the risks associated with it, several of which pertain to asbestos cement (AC) roof sheets. Asbestos Roof Coating can help with managing such risks by acting as a fibre encapsulator, as well as a waterproof finish.
Asbestos Roof Coating is manufactured using premium grade polymers, specially selected for roofing applications requiring exceptional durability, U.V resilience and waterproofing qualities. As the coating cures it keys to the surface, forming a permanent bond which encapsulates the fibres in the sheet substrate, preventing them from being exposed either by weathering or abrasion.
If Asbestos Sealer & Primer has been used to prepare the surface for coating, impact protection is further enhanced as it hardens the surface thereby reinforcing the Asbestos Roof Coating’s mechanical strength.
Here in the U.K, asbestos roof sheets were manufactured and installed for most of the 20th Century. The familiar corrugated profile sheets helped thousands of military buildings to be rapidly assembled in kit form during WW2, and these can still be found to this day, scattered throughout the country. The point is that asbestos cement roofing (white asbestos) is a very durable material, which in a majority of cases has outlived its anticipated lifespan by decades. In fact Kingfisher has been involved in supplying sealers and coatings to roofs which date as far back as the 1930s! This means that building maintenance professionals and property owners are likely to be maintaining asbestos roofs for many years to come and will need technically superior coatings to facilitate that.
Repair or Replace?
Although the “white asbestos” (chrysotile) used in the manufacture of roofing sheets was the least toxic asbestos variant, it is still has the potential to be hazardous, which is why the management and removal protocols are strictly enforced. The cost of complete removal and replacement of asbestos cement roof sheets, can therefore be considerable, often prompting stakeholders to consider repair options.
The second option considered, especially in storage or agricultural buildings is to simply replace the asbestos sheets with modern plastisol coated, steel profile sheeting. However, it is worth remembering that one of the major reasons why asbestos cement roof sheets became so popular in the first place, was that compared to corrugated “tin” (steel profile), they did not suffer from condensation. By contrast, “tin” roofed buildings famously rained condensation on workers, stock, machinery, farm animals or anything else unfortunate enough to be inside.
Of course you can opt for composite insulated panels that won’t exhibit condensation but they are at least 2.5 times the cost! Or you can choose modern cement fibre roof sheets (nearest equivalent to the old AC sheets) but these are also more costly than steel profile. So for example, if you store your classic car in a garage with an asbestos roof, it may be that this is as at least as good an option as modern cement fibre and definitely better than new steel profile. Repair & re-coating should at the very least be considered.How to use Asbestos Roof Coating?
1. “Bio Wash” Roof: (kills moss, green mould & lichens) Liberally spray the entire roof surface with Kingfisher “Bio Wash” using a low pressure sprayer (as for garden weed-killer) and leave for seven days to activate.
2. Clean Roof: (remove debris) Thoroughly damp the roof by mist spraying with water (suppresses release of harmful fibres) and brush/ scrape the dead moss and other surface dirt and laitance into bags for disposal as AC waste. Alternatively for larger areas the “closed box” pressure washing method described in HSE doc A12 can be used but the waste sludge and water run- off have to be collected in the gutters and down pipe.
3. Repair Roof: General Sealers and coatings should only be applied to essentially “sound” roofs so a pre-inspection of the roof structure and surface condition should always be undertaken by a competent person (e.g. experienced roofing contractor or structural engineer) before commencing works. This will determine whether the supporting steel / timbers are in need of repair and identify any cladding / roof sheets which are damaged or decayed beyond practical repair and therefore need complete replacement. In addition this inspection will typically inform the choice of access equipment to be used for safe execution of the works.
4. Minor Repairs: Any minor cracks or holes, especially around fixings can be filled with “Parabond” hybrid polymer sealant. Cracks of up to 3mm can be successfully filled by applying a bead of “Parabond” along the crack and then pressing / smearing it firmly into the damaged area.
5. Primer: Apply one coat of Kingfisher Asbestos Sealer & Primer by brush or low pressure (non-atomising) spray to consolidate and harden the substrate.
6. Application: Apply 2 x coats of Asbestos Roof Coating by brush or high pressure airless sprayer. Cut-in edges and around detailing such as roof-lights, vents etc. with a premium grade paint brush. Generally allow 6 to 8 hours between coats although in warm conditions this may be reduced to as little as two hours. If applying by sprayer, ideally use a 17 thou tip blade (nozzle size) and set the output pressure to 2500 psi.
How much will I need?
The coverage rate is 4 to 6 sq m per litre, so a 10-litre pail treats approximately 50 sq m.
IMPORTANT!
a) Do not apply to damp surfaces or in wet weather
b) Always consult a competent Health & Safety professional for guidance on working at height, especially on fragile surfaces like AC sheeting.
c) Ensure you inform yourself regarding correct PPE and waste disposal protocols for working with asbestos cement roof sheets.
Technical Support: As always, we recommend that you read the Technical Data Sheet & Safety Data Sheet thoroughly before commencing any work. If in doubt, please call us for advice; we are here to help.
Also available as part of a Garage Kit
Two primary delivery options for smaller U.K MAINLAND orders (Typically under 100 Kg):
Standard 3-day service: £6.25 plus VAT (Note: Highlands Postcodes may be up to 5 working days)
Next Working Day*: £13.95 plus VAT (Not available to Highlands Postcodes)*Excludes weekends and public holidays
Cut-off time for “Next Working Day” orders to be processed is 12:00 noon. Once your goods have been despatched, you will normally receive a confirmatory e-mail with tracking details so that you can check the progress of your order. Details
Asbestos roof on my outbuilding looks much better now
Reviewed by Paul R
Delighted with the paint and primer. Our corrugated asbestos roof (part of our house) we realised was almost 50 years old, and had been leaking badly for some time; our local builder chose his times carefully to apply the primer and two layers of paint when the roof was dry, and found it easy to apply; it has done the job beautifully! Very grateful to Kingfisher for these excellent products.
Reviewed by Frank James
I have a large garage at the back of my terraced house. It has asbestos sheeting as the roof material. This had seen better days and I got quoted large amounts of money to remove it. Then I came along the Kingfisher products and they have transformed my roof. It is now in a good condition and I won’t need to replace the panels. The service from Kingfisher was great. Fast delivery, reasonably priced for high quality specialist products. Need to buy more from them as now I’m going to go the inside of the garage roof
Reviewed by Michael Archer
My old garage roof was getting old and tired and used to leak during prolonged periods of heavy rain as I suspect the corrugated asbestos was getting porous. Tried to get some quotes for cleaning/coating but no one would touch it. Found this kingfisher kit and thought I would give it a go my self. I washed the roof and brushed away the large accumulation of debris then applied the biocide wash with a garden sprayer and left for 1 week as per the instructions. Next came the washing/scraping and brushing which is hard work and also messy. The following day I applied the primer which is very easy as it's like a watery PVA and very easy and quick to apply. After the primer dries the surface has a harder almost glassy feel to it rather than the crumbly flaky surface it had. The dove grey coating I chose goes on fairly easily with A4 inch brush with the consistency of emulsion. The following day I applied the 2nd and final coat and the roof now looks brand new and have got the neighbours all asking what I've had done. The kit contains enough materials for a standard UK corrugated roof but just be prepared for long hard work but the results are worth it. Just need some torrential rain now to see if it works as good as it looks.
Reviewed by Gary Betts
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Asbestos Roof Sealer and Primer is a brush or spray applied, translucent solution formulated to bind, seal and consolidate the surface of old, friable asbestos roof sheets, encapsulating harmful dust and fibres. It also improves the moisture resilience of the surface. Non-hazardous, suitable as both interior and exterior asbestos sealer.
Professional roof cleaner designed for effective removal of green algae, moss and organic growth from all roof tile types. Bio-wash offers long-lasting protection against regrowth, making it the ideal choice for professional roof cleaners. One 5L container treats up to 125 sq m of roof tiles.
Parabond Transparent
