Self levelling floors screed compound from the DIY Doctor store. Standard or Ultimate Tarmac asphalts. While this is not something that you can alter on the jobsite, it can mean your paver will be less reactive to any changes that. All the best JJ. 5 mm) (No. It can be used over most existing adhesive residues, including bitumen. The new wall had screws put into the old foundation of the original wall. take account of possible differential. The total membrane thickness is 4 mm and minimum weight. West London customer service: 0330 678 1620. Theses products can be applied as an asphalt Resurfacer or screeding the surface. It is useful to remember that the larger the area the lower the price per square metre. Mapei UK Official site. Thanks to its waterproofing qualities, it is widely used in construction. Fixit Pidipoxy MI-EP REPAIR Dr. Quick drying (24 hours for light traffic) Excellent resistance to UV and weathering. It's a complete lack of knowledge on your floorlayers part or possibly just a carpet fitter. The tiles are fixed with a bitumen adhesive (see photos). Our coatings have resistant properties, ensuring durable protection and a seamless, uniform leveling on concrete. 20 kg will cover approximately 2. Will make new screed blow. When covering the Sikafloor®-200 Level (ZA) always ensure the moisture content. PermaSEAL 1 Floor Membrane and Newton 601 Floor Membranes are a cost-effective way to protect your flooring from damp. However, it was common practice to apply a layer of bitumen on top of the floor slab to stick down woodblock flooring or thermoplastic floor tiles, which acted as a basic DPM. As it's technically tarmac i wouldn't see the need to. How To Remove Bitumen Stains from Pavers and Kerb Edgers . I was told to use 2 pack floor. Using a kango would also get you below the bitumen and are less likely to release fibres. Only one coat though. Mastic Asphalt Screed should be laid directly to the primed concrete/ sand & cement screed wherever possible. I'm only diy here but I would suggest a SBR Slurry coat over the bitumen would aid adhesion between the layers. Labour. If the floor is now dry and physically sound then yes, you should be fine with a breathable underlay and hessian backed carpet. Readyscreed® Original. Sounds like dpm (damp proof membrane) if it’s solid hard like glass and brittle check if your floor has been damp proofed if was under vinyl tiles not bitumen about 20 years ago the adhesive use. A minimum 0. As it's technically tarmac i wouldn't see the need to. It works well in areas that need levelling and if there is a problem with insulation or damp and is a great. Unless you suspect damp, the cheaper self levelling screed would probably be ok without bitumen. Cat asphalt paving machine - Floor screeds even on a concrete slab are laid each time a developer has finished the slab concrete. Easy-Melt bitumen is simple to use, as the blocks are just. From £30. Fast drying screed cost. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). Screed, is a thinner layer of concrete typically poured over a slab or concrete base forming a smooth surface. #1 Hi, for my living room floor theres about a 4-6 inch concrete base and on top of that theres about 20mm with some kind of screed, bitumen or asphalt hard. Flexible – using asphalt floor screed takes away any worries about uneven settling and crack formation damaging the floor or the covering placed upon it. Apply standard water-based (concrete application) slc to all of floor. We service over HDB, condo in Singapore. £20 per m2. Concrete; Sand/cement screeds; Anhydrite screeds; Wooden boards; Underfloor heating/warming; Insulation boards; Existing tiles; BitumenMastic Asphalt Screed admin 2020-05-21T19:36:07+00:00. Use a roller, paint pad or brush to apply. For levelling or smoothing differences in thickness of 1-10 mm to receive all types of floor coverings. It provides a good, smooth, hard-wearing floor surface, making it popular in construction. b. Sounds like dpm (damp proof membrane) if it’s solid hard like glass and brittle check if your floor has been damp proofed if was under vinyl tiles not bitumen about 20 years ago the adhesive use. If you’re a contractor and would like to become an approved installer of our systems please contact us on 0113 245 5450. Ground Floor - Most floors were concrete, often comprising a layer of hardcore (often industrial waste), a 100mm concrete slab and a granolithic screed covered with thermoplastic tiles bedded in bitumen (often with no separate DPM). If it's going to be level and 2"-3" thick i don't see the need for SLC. As for wether or not it needs to be primed, i'm not sure to be totally honest. because a latex based screed should never ever be used over Bitumen, the green colouring may be due to a chemical reaction between the two substrates which will require the screed to be mechanically removed. Patch repair mortars. +65 98922908 or 88695136 -Whats App or SMS admin@diatomreno. Fixit Piditop 444 Dr. In our trade, it's most commonly used in its form as a thickish, gloopy white liquid, which echoes its roots as a. alterego. Mastic asphalt screed is also called AS and, contrary to the above example, has nothing to do with water. How cut 4" wide, 2" deep hole in concrete floor. Screwfix Select. The main water supply to the house comes through front door way, up the hallway. com A) ARDITEX NA ® can be used with confidence over almost all subfloors without priming including ceramic tiles, bitumen and flooring grade plywood. From the mid 1960s to the mid 1990s a typical concrete floor comprised a layer of hardcore, a polythene damp proof membrane laid on a thin bed of sand (to prevent puncturing), and a floor screed. Unit weight or density is used to quantify the weight per unit volume of an object. "A typical suspended floor installation could cost you between £1,600 and £2,900 depending on the circumstances," say Energy Saving Trust. Phone: +1 954 686 8782. Can be steam cleaned or pressure washed. To protect & seal floor, stone and tile surfaces with minimal visual appearance; Penetrates & cures within the pores of the surface providing a seal for extended service life; Go to product. Suitable for use over plywood substrates and MAPEI surface applied DPMs in most cases without priming. Take off some of the bitumen with a grinder to reduce amount of slc required. If u dont use the right primer the floor screed will blow under nieth eney flooring. Pot Life. Polyurethane liquid membranes in separate grades for trowel, roller, or spray are also available from various manufacturers. Answered 22nd Aug 2016. Screwfix Select. It maintains and adjusts the temperature in both summer and winter. However, bitumen floor screed can suffer from damage over time. I'm not convinced this is enough and so I was planning to ask he does the following. h. Bituminous membranes are perfect for waterproofing roofs, basements, below-ground structures, bridges and other structures. Fixit Pidicrete WP 19 – 24 Dr. However, I contacted a specialist anyway, and we are looking at £400 + VAT to remove the tiles. 20. g where the free standing cooker was) are all indicative that there wasn't parquet on the floors and that it isn't a DPM. It was commonly used to glue floor tiles in place and can be found in many buildings constructed before 2000. Latexplan No Ammonia is suitable for levelling differences in thickness between 3mm to 10mm on new and existing substrates. #2. Asphalt floor screed is also known as mastic asphalt has a multitude of applications. Hope this helpsHowever, it was common practice to apply a layer of bitumen on top of the floor slab to stick down woodblock flooring or thermoplastic floor tiles, which acted as a basic DPM. Tool base adjusts allowing up to 5" cutting depth; best for cutting split face block when building retaining walls. The tiles have been removed in some rooms, leaving the bitumen, probably <1mm thick, and not sticky. Day 2: apply Ardit liquid DPM - room will be out of use for most of the day. 1. Blistering is osmotic — a coated surface continually exposed to water or high humidity is most likely to show blistering. Bostik Screedmaster Ultimate should not be used over old tackifier or water. It is not a wearing screed – must receive tiles or other floor covering after application of a suitable topping screed Weberfloor Base Rapid Weberfloor Base is a rapid-drying, self-smoothing renovation screed which can be used for levelling concrete, wooden boards, anhydrite screed, sand/cement screed, insulation board, tiles and bitumen. Select the screed mix ratio (cement: sand) from the dropdown menu. ARDITEX NA can be used with confidence over almost all subfloors without priming including ceramic tiles, bitumen and flooring grade plywood. It has an interesting chemistry, with different forms used for different purposes, but in the paving trade, it's most common use is to 'beef up' mortars and concretes. 3. Enter the desired depth of the screed mix (in millimeters). bitumen, old adhesives, paint, grease, weak cement screeds, shutter release and curing agents, sealing compounds, etc. For all that are researching. Asphalt crews rely on the screed to ensure surfaces are smooth, properly textured, and ready for compaction. The floor screed provided a smooth finish suitable for carpets or tiling. I believe as long as it's floor grade asphalt/bitumen you can tile straight to it. Option 1: Chemical Removal. For mastic asphalt, wood block and strip, and some textile floor coverings, a non-slip finish is appropriate, while thin sheet and tile floor coverings usually require a smoother, steel trowelled surface. 5 litres /m². Enter the desired depth of the screed mix (in millimeters). I have attached a photo after removal. 5sqm has blown. Like all screeds, it is not intended to be the finished, wearing surface. CODES / SPECIFICATION. As it's technically tarmac i wouldn't see the need to. 2. Screeds above underfloor heating should not exceed 40m 2 with a maximum length of 8m. Bitumen can be problematic for tiling over and cause unnecessary damage and stress – the last things you want to endure during a renovation project. 2. BS EN 12970:2000, Mastic asphalt for waterproofing — Definitions, requirements and test methods. . Bitumen is often part of the floor structure for screed. Neverthel. Density (kg/m 3) = Mass (kg)/Volume (m 3). Volume. ARDEX R 70 P. Lightweight, less noisy and simpler alternative to gas powered cut-off machines. This bitumen-friendly self-leveling compound is relatively easy to use and can be applied to many different types of flooring, including… Concrete, and Floor Screed; Ceramic, Porcelain, and Quarry Tiles; Plywood, Terrazzo, Old Adhesives & More; This economical product sets in as little as 4 hours, and you can apply the floor covering quickly. Textured or smooth finish. Use latex slc, to max of 6mm - 10mm, for the first layer, allow to cure. Mixed screed accepts light foot. Anhydrite liquid screed works perfectly with projects involving underfloor heating systems due to faster drying times, faster self-curing and the ability to pump the liquid screed. Isocrete Isogran provides a strong wear resistant, heavy duty flooring suitable for store rooms, workshops, plant rooms, service areas in offices, hospitals, laundries, etc. Or + - 2mm over 3 meters. Whether you need some new asphalt flooring installed or repairs to an existing asphalt floor Heritage Asphalt can help. Marley Tile Removal . a. I've had to have most of the rubbish mid-1970s pipes under my kitchen floor replaced and I now have 5 metres of trenches between 100mm and 150mm wide. Im surprised the floors lasted that long 300 will fail over bitumen everytime. Moreover, the screed and LVT will prevent moisture evaporation, further exacerbating the problem. #1. co. For the application of hot bitumen mastic the latter should be heated to 274F, so that it is easy to apply and penetrates well into all the cracks and irregularities. Labour costs. N. Bitumen floor screed is a popular choice for commercial and residential properties. 1. 5. Larger the hole the more liquid will evaporate and cause more slump. 7. Select the screed mix ratio (cement: sand) from the dropdown menu. Floor Coating Range or Neroflor - Discover our wide range of industrial floor coatings designed to protect and enhance your floors. This will make the screed strong and will adhere over the Bitumen . A flat board (screed board, floating screed) or a purpose-made aluminium tool used to smooth and to "true" materials like concrete, stucco and plaster after they have been placed on a surface or to assist in flattening;; A strip of plaster or wood. Concrete has a much coarser mixture than screed, consisting of larger, hard-core aggregates, which are the key element that gives it its durability and makes it strong and long lasting. Anyway, I asked. Quick-drying, flowable Calcium Sulphate Screed. The floor is a concrete sub base with a 20-25mm bitumen screed on top of that. Fixit Pidipoxy MI-EP REPAIR Dr. Corrosion control systems. Suitable for cement/sand screeds containing underfloor heating systems; Unit Size Available: 6kg, 10kg, 25kg. Ground Floor - Most floors were concrete, often comprising a layer of hardcore (often industrial waste), a 100mm concrete slab and a granolithic screed covered with thermoplastic tiles bedded in bitumen (often with no separate DPM). The only problem being sbr additive is expensive . 2. Having read the sticky threads regarding liquid DPM and self leveling for concrete, I have an understanding of what is. Firstly, apply WAKOL MS330 Primer DPM in one layer. Also, all pre-application preparation should be completed in accordance with the roof coating manufacturer’s requirements. Screed Weight. Eg. Removal of Asbestos Bitumen Glue & Adhesive: Cost + VAT. 5 mm) (No. #3. It's a complete lack of knowledge on your floorlayers part or possibly just a carpet fitter trying his luck. We had the tiles tested and they definitely contain asbestos. As for wether or not it needs to be primed, i'm not sure to be totally honest. you cant put the dpm directly on to the. Reinforced with ScreedMax Fibres or mesh. Warm, cold, single layer and inverted roof bituminous waterproofing systems are available from SOPREMA as well. Will be difficult to use bitumen paint specially under the plaster, I think your best bet is to use hot bitumen pour which will fill in all the nooks and crannies. Bonded. As it might sound, a bonded screed is applied directly to the. Asphalt crews rely on the screed to ensure surfaces are smooth, properly textured, and ready for compaction. Blocks Aircrete, dense, aggregate, trench and concrete blocks for building. The screeding/latex has laminated (like puff pastry) and is breaking up. . Explore levelling compound options here and set the best foundation for your tiled floors . Values given with 20 °C and 65 % rel. ALL FLOORING PRODUCTS. Fixit Pidipoxy EP Dr. Caterpillar offers a broad range of asphalt paving machines from wheel and track asphalt pavers to tamper bar and vibratory screeds. Whilst still being fast enough to receive tiles from 24 hours, and resilient flooring from only 7 days. Same as self leveller over flooring ply, 1 coat SBR 1-4, pour away, happy days. £18 - £22 per m2. Flowable liquid floor screed suitable for applying up to a depth of. Thanks for the response. The bitumen mastic blocks shall be broken into pieces and then stocked in layers first round the sides and then inwards towards the center of the mixer. Option 1: Chemical Removal. If you were to take the insulating paint route, you could make significant savings. Rapid setting and quick-drying properties ensure the floor can be walked on in as little as 30 minutes, ensuring overnight and even same-day turnarounds. . This is particularly important when the levelling out an uneven substrate. Sika's Industrial Flooring Solutions Can Benefit Your Project. No, You can’t directly apply traditional cement-based self-levelling compounds that you mix with water, on top of Bitumen. Created by VideoShow:cold, single layer and inverted roof bituminous waterproofing systems are available from SOPREMA as well. As a result, areas of up to 1,000m2. 5 ratio of cement to sharp sand. Bitumen, polymer, silicate (mineral) were studied in terms of their cohesion with the substrate and their sealing ability, used in combination with different building materials—ceramics, concrete, lime-sand bricks and marl stone, the. What are the Different Types of Floor Screeds. Due to the different particle matrix in a granolithic. Screeds or concrete surfaces to receive wood finishes:Bitumen, or asphalt, is a type of substance commonly used as a protective coating for floors. (5m² per 5 litre container) Colour: Blue when wet, Black when dry. Moreover, the screed and LVT will prevent moisture evaporation, further exacerbating the problem. Typical applications are the protection of concrete floors and screeds against wear from traffic abrasion, as well as a. Remove previous sealers or oils etc. This is particularly important when the levelling out an uneven substrate. Each week,an average of 240 899-page impressions are generated by over 64 719 online. It is often made from concrete, but it can also be made out of asphalt or wood. allatt champion screeds 600a 3 piece screed part # description qty alternate oem# ala70001 screed plate 8ft 1 10347185 ala70290-1 screed ext. The remelting shall be done at the site in a mechanical mixer; the mastic temperature shall not exceed 200 degrees C during remelting. They are available in rear-extender and front-extender models. Accepts subsequent floor coverings in 4 hours. . For further advice call our Technical Advisors on 01483 418 418, or use the button below to contact us. Ceramic coverings. DownloadsHomeDownloadsAll downloadsCertificatesSafety data sheetsData sheetsDoPBulk Asphalt / Aggregates CertBulk & Packed Cement & Lime CertMortar, Blocks, Screed and Packed MarkingBrochuresContractor guidesSupplier Accreditation Information BBA Certificate ULTIFLEX 6MM BBA Certification ULTIPAVE 6mm BBA. A few floors were finished with wooden blocks laid in bitumen. Bituminous membranes are perfect for waterproofing roofs, basements, below-ground structures, bridges and other structures. This has left a black bitumenous residue on the concrete screed and I'm concerned about tiling onto it. you cant put the dpm directly on to the bitumen as. Is there a primer I can use and which would be the best self levelling compound to use. Subfloor should be level to + - 3mm over a 5 Meters. How long to let a concrete walkway cure. Purchase your next favourite publicationARDEX manufacture a range of award-winning latex-based and water-based self levelling & smoothing compounds for internal and external use. Mapei UK Official site. If you are looking for expert flow screeding contractors then go no further than Flow Screeding Services! We look forward to receiving your flow screed or floor screed enquiry. Ideal for cutting concrete, asphalt, and metal in indoor or enclosed environments. 2. Fixit Novolac EP Dr. Concrete Repair. I have come across a bitumen floor (mixed with sand) that was around. The most common cause of failure when using screed bases is construction. It drys twice as fast as standard Calcium Sulphate screeds, from as little as 14 days! Download the latest ARDEX High-performance. Can be applied at 1mm to 2mm in one layer, several layers, can be applied to cover badly worn patches. 2. Bituminous Coating Waterproofing. A few floors were finished with wooden blocks laid in bitumen. Our screed plates have proven themselves to last at least four times longer than the OEM screeds. Watco Safety Grip. Introduction: A screeded bed is typically established approximately 5 to 10mm high, and the pavings then compacted down to the required level. It is probably a low content, eg. Fixit Super Latex Pagel ZL10 Pagel U40 Dr. It provides a strong, stable screed with shorter drying times. The holes can be filled with a liquid bitumen or epoxy based floor filler. Remove parquet and some bitumen, seal the floor and remaining bitumen, then use a self levelling compound to level the floor. Asphalt floors. g where the free standing cooker was) are all indicative that there wasn't parquet on the floors and that it isn't a DPM. protection, inspection and testing, maintenance and repair for in situ mastic asphalt for flooring applied as a wearing surface or underlay, incorporating waterproof membranes. Mastic Asphalt Screed. Cementitious screed. Once you break through to concrete level an SDS brings it up in lumps. Caterpillar offers a broad range of asphalt paving equipment that competes in the rubber tire, steel track and rubber belted markets. . LVTs like Karndean Amtico Moduleo etc yes. Fixit Super Latex Pagel ZL10 Pagel U40 Dr. Cleaning up Concrete floor covered in Bitumen – Tile. An easy-to-use floor levelling compound – just add water in correct quantity as directed, mixing with a suitable Mixing Paddle and Drill for a minimum of 2 minutes Absorbent surfaces – Concrete and sand/cement screeds must be primed with Setcrete™ Acrylic Primer diluted in the ratio of 1 part primer to 7 parts waterBituminous Membrane. The bitumen mastic blocks shall be broken into pieces and then stocked in layers first round the sides and then inwards towards the center of the mixer. After extensive data collecting, we’ve found that the savings over the life of a chromium carbide screed is between $12,000 and $13,000, depending on the make of screed. add. From what I can see its a bit of a can of worms when the subfloor is bitumen/bitumen coated. For FREE estimates and technical advice get in touch with us today using our contact form or call us on 0207 781 8150. 7. Non-hazardous and low odour acrylic formula. Theo Starie- Technical sales officer: 07816 197280. U then primer the floor ready for latexing. For a bagged liquid screed, ARDEX offer ARDEX A 70 GYPFLO. Floor finishes should be applied with the correct adhesives, for example: bitumen rubber emulsion (in accordance with BS 8201) proprietary adhesives (assessed in accordance with Technical Requirement R3) in accordance with manufacturers' instructions. Customer Service Email: phil-customer. 3. We will cover your under floor heating system with a liquid screed that is especially. Floating engineered wood is ok. Polyurethane Primer. ceramics I don’t know. Then a primer like the one you have at 4-1 then if needed another coat at 2-1. Our calculator supports three mix ratios: 1:3, 1:4, and 1:5. Prime and smoothing compound then any LvT. 25. Speed Screed Limited’s Post Speed Screed Limited 796 followers 11moEqually, if you put bitumen on top, the vinyl flooring will stick to it, and be there for ever! Should be no need for bitumen if you use a "latex" screed, (the one that comes with a 5L jerry can of liquid). Jobs a good'n. #1. Aerated concrete slab (500 kg/m 3) 0. Where the old screed has been removed at the edge of the room, it has revealed a gully in the concrete subfloor about 3" wide and 2" deep running along the edge of the room. View Details. The floor is not very level so I was hoping to use some self level on top of it so I can lay a wood floor. Self-levelling smoothing compound, designed for smoothing and levelling internal floors. I bought some real wood (oak) to lay over the ground floor of my ex-Council house which was built in the 50's. 019-inch (0. The holes can be filled with a liquid bitumen or epoxy based floor filler. 5. Dries in 24 Hours. we don't need a specialist. Micro-concrete repair mortars. The pattern on that bitumen together with the age of the house (mid-1960s), use in the kitchen and missed areas (e. Floor Screeds Vermiculite floor screeds are widely used in single and multi-story buildings. The surface of the screed should be finished according to the type of wearing surface or flooring that is to be laid. Asbestos Bitumen Glue Adhesive Removal Cost Guide for 2022 . #1. BAY SIZE. asphalt, wood block and strip, and some textile floor coverings, a non-slip finish is. Organic or fungal growth must be removed. If it's going to be level and 2"-3" thick i don't see the need for SLC. Using a methyl methacrylate (MMA) catalyst, the Flowfast material is able to speed up the floor's rate of cure, making it an excellent choice for refurbishment projects, shop fit-outs or even fast-paced new build developments. 4 litres of clean water. Consumption. humidity, temperature of substrate +15 °C. Vogele When paving, the last point of contact between the paver and the final product is the screed. concrete floor self leveling. You can screed/self levelling compound over bitumen no problem- just 2 coats of SBR dIluted 1-4 with water over bitumen, allow to dry, pour SL. The flooring can accommodate the stresses put upon it by adjusting accordingly. May 6, 2007 #1 I've taken up some old thermoplastic floor tiles laid in the early 70's. Asphalt floor screed is made by combining specific bitumens and aggregates with limestone filler. Fixit Piditop 444 Dr. Balconies, Walkways and Terraces; Podium Deck Flooring Solutions; Internal Flooring Solutions; Paving Solutions; Floor Components – Accessories. Bitumen, a substance that was commonly used as an adhesive in the 20th century, was initially regarded as the perfect solution for those who wanted to glue down a floor to an underlay quickly and efficiently – but these days, floor installers are recommending you steer clear from using this smelly, viscous material, as it can create all kinds. In our trade, it's most commonly used in its form as a thickish, gloopy white liquid, which echoes its roots as a. Layer Thickness. AS 3740-2010 Waterproofing of Domestic Wet Areas and AS 4654. 2. Easy to install and self-compacting, cementitious flowing screed is designed for use over thermal or acoustic installation as it improves efficiency by eliminating drafts, preventing pipes from freezing and creating a moisture. Paint or roller this over your bitumen then screed away (follow mix/drying instructions on sbr tub) Screeds & Mortars for tiling works. 10. Bonded or Un-bonded. It is essential when a floor that is next to the ground is constructed, that a proper damp proof membrane is placed to prevent these issues. Packaging: Primer G is available in 25, 10 and 5 kg drums and in 1 kg. Asphalt floor screed is made by combining specific bitumens and aggregates with limestone filler. It may be applied onto either a solid in-situ concrete ground floor slab or onto a precast concrete floor unit. ® Construction Chemicals’ range of specialised floor coatings are screeds based on bitumen, dry shake cementitious materials, self levelling cementitious screeds, epoxies and polyurethanes. Prime CE. LVTs like Karndean Amtico Moduleo etc yes. " It is wise to budget between £60-70/m2, plus the cost of labour. Ne. Anhydrite screed usually costs in the range of £15 – £20 per sqm, mastic. The bitumen is about 15-25 mm thick and, I believe, serves as moisture barrier as well as an 'appearance' finish. Watco asphalt crack filler is a polymer modified, flexible crack filler for asphalt and tarmac surfaces. – the UK’s leading manufacturer of flooring adhesives and floor preparation products for the contract flooring industry. Suitable to receive floor coverings after 4 hours. Blocks Aircrete, dense, aggregate, trench and concrete blocks for building. SCHOMBURG, the construction chemicals manufacturer from Detmold, develops, produces and markets system construction materials for the national and international market. Impermeable and forms a barrier to chemicals. Packaging: 25kg bags. Asphalt floor screed is also known as mastic asphalt has a multitude of applications. Screed floors are used on the ground level and as a sub-floor for other building materials such as carpeting, tiles, or linoleum. Building products Quality assured building products for. ScreedHomeProductsScreedSelf levelling, rapid drying, traditional, standard and polymer modified floor screeds. Removal of Asbestos Bitumen Glue & Adhesive: Cost + VAT. Re: Asphalt floor. Due to the nature of mastic asphalt it is not practicable to lay over insulation boards on slopes over 5˚ or vertical surfaces. 13 Aug 2020. Coverage: Refer to product datasheet. Nevertheless this. ScreedMax Grano is often used for external screeding projects under paving, around pools and areas of high traffic. It drys twice as fast as standard Calcium Sulphate screeds, from as little as 14 days! Download the latest ARDEX High-performance. Adheres strongly to concrete, masonry and stone. Ground bearing concrete floors - 1960s to 1990s. Liquid screed is also more environmentally friendly than sand cement screed, offers ergonomically friendly installation and there is no risk of cement burns to workers. 7 kg. info@speed-screed. Re: Asphalt floor. BAL Level Max. b. (29) £3.