Floor Screeding Gravesend Kent (DA11): A floor screeding professional can level a damaged or uneven floor, assist with renovations or help to install underfloor heating on your Gravesend property, when needed. Before it's possible to lay a final floor covering, be it carpet, tile or wood, the floor base needs to be as flat as possible; which is why screeding a floor is sometimes needed. If you want your floors to last a long time then a floor screed is the most important factor in any renovation or building project.
FLOOR SCREEDING EXPERTS GRAVESEND
It doesn't matter how big or small the room is that you require to be levelled, an established floor screeding specialist in Gravesend will have the essential equipment, knowledge and skills to provide you with an excellent standard of service. They'll be able to assess your project and verify the appropriate kind of screed you need and how best to apply it.
It might be necessary, contingent on the proposed use of the area in question, for a structural engineering survey to abide by building regulations on point loadings, load bearing and flex strength of the screed floor.
Bringing in a qualified and highly trained flooring specialist will guarantee that you get the proper form of screed for the room's allocated purpose to extend the life of your floor. Selecting the correct screeding materials and the best installation technique is critical if you want a durable and quality finish for your floor.
Make certain that you get at least two or three price quotes for your Gravesend based floor screeding project and also ask to what standard you are getting each quote. The SR (Surface Regularity) finish is the number to watch out for when reviewing a quotation from Gravesend floor screeding companies. Each of the three SR levels deliver different standards of finish, with SR1 being the highest quality, with the smallest amount of deviation over the surface area. An SR2 or SR3 level might mean there will be ridges or flat spots that might cause problems when installing your final floor surface.
British Standards BS8204 lays out the guidelines and regulations that all Gravesend screeding contractors is obliged to follow, and if working with specialist screeding solutions, (Flowcrete, Gypsol, Cemfloor etc), they should be approved by the manufacturers as being skilled and trained in their use. A contractor holding accreditations proves they have been assessed and trained in the use of these screeding products and can deliver a high quality service in all areas of their installation.
Commercial screeders in Gravesend will usually tackle larger screeding projects in shops, schools, hospitals, hotels, warehouses and factories.
TYPES OF SCREED
Standard Screeds - Frequently used in domestic projects where the mix of sand and cement is acceptable for everyday floor traffic use. This mix comprises a 5:1 ratio of sand to cement. The standard screed will dry at a rate of 1mm thickness per day.
Industrial and Heavy Duty Screed - A screed that is designed for high load and heavy traffic areas where the maximum possible strength and durability is necessary.
Fibre Reinforced Screed - The preferred option where under floor heating is being installed in domestic homes in Gravesend. This is due to the increased durability and protection against thermal shrinkage and cracking offered by the fibres within the screed. It dries at the same rate as a standard screed, at about one millimetre per day.
Polymer Screeds - Provides a high level of strength with a reduced thickness. Polymer screeds are made by many screed manufacturers and because of their diverse chemical compositions have distinct curing times for each product.
Fast Drying and Advanced Drying Screeds - As the name suggest, this screed dries rapidly and allows you to use the floor area much sooner. They are typically a fibre reinforced kind of screed that dries out at a rate of between 3-7mm per day and are employed in time critical projects.
Liquid or Self-Levelling Screeds - A cement and latex mixture which can produce the highest standard of finish to SR1 levels. It's largely used to provide a clean, smooth floor over the top of a poor quality or damaged substrate and results in a surface onto which all forms of flooring materials can be laid. These can be as little as 1mm in depth, and due to the latex polymers, will still provide a high strength finish.
SCREEDING PREPARATION AND INSTALLATION
Screeding companies will have to fully prepare the area before any other work in order to guarantee a hard wearing and quality screed flooring. It's crucial that all contaminants such as grease, oil, paint or debris is eliminated from the floor before pouring any screed, as these can affect the bonding process that a good quality screed demands.
If any products were used during this stage it's vital to make certain that no residues of detergents or soaps are left on the floor surface and it's allowed to dry out naturally. At this stage cracks need to be repaired since these can easily travel up through your newly laid screed and be visible in the finished surface. A skilled Gravesend screeding company will address such problems during the on-site survey and ensure all preparations are completed before pressing on with the next stages of the screeding process.
Before the screeding can be laid a DPM (damp proof membrane) must be put down to protect the final flooring and screed from dampness. The DPM is made of thick polythene and various layers might be used to serve as a moisture barrier for the screeding.
If your home is located in an area where radon is found a supplementary barrier layer is essential to stop radon gas from seeping through. An air-tight membrane might be suitable in places with low emissions of radon, however in more serious situations there might need to be a more sophisticated ventilation and extraction system to take away any ground penetrating radon gases.
Once the floor base has been properly prepared and any DPMs installed, a sealant or primer is then put on. A primer assists in the screed to bond successfully to the base surface and different types exist according to which type of screed is being used. Devices such as airless sprays will usually be used to apply a sealant or primer, by experienced screeding contractors in Gravesend observing the manufacturer's guidelines and safety advice.
If you are installing under floor heating, this is the time that it will need to be laid out and installed. Insulation panels will be laid out and the heating pipes and cabling will be firmly mounted so that there is no movement whilst the screed is poured. When properly installed an under floor heating system is an efficient way to warm a room and decent quality screed retains its heat, producing an even level of warmth right across the floor surface.
Of course, if you aren't installing under floor heating, you can just skip this step and apply the floor screed. Your screeding contractor will have given you advice on which screed type is suitable for your needs, in line with your intended use of the room. After the application of the screed there'll be at least twenty four hours (for quick drying screeds) before you are able to walk over the surface, and a 72 hour minimum setting time before any floor material installation. Such timescales will be increased for heavy duty and standard screeds and the manufacture's guidelines should be followed to the letter to create the optimum finish and durability of the floor.
Once the screed has solidified it can be quality checked to establish the SR level. The test involves using a 2m long straight-edge laid down upon the floor surface and any variations from true are measured.
- SR1 - Over the whole area, if there are no deviations of more than 3 millimetres from the straight-edge, then you have a top quality SR1 level surface.
- SR2 - SR2 is the classification for standard commercial and industrial floors and can deviate from the straight-edge by up to 5mm.
- SR3 - If the deviation is 10 millimetres or less the screeding quality is categorised as SR3 and is the standard required for utility and garage areas.
If you need to check the floor for load bearing, a structural engineer is required to conduct the tests. This test will establish the strength of the screeding and the viability for its proposed use. The screed layer will be subjected to what is known as a drop hammer test to assess strength and flexibility in specific areas. Any screed flooring that's got load bearing requirements must be approved by a certified structural engineer heeding the BS8204 regulations. (Tags: Floor Screeding Gravesend, Floor Screeding Services Gravesend, Floor Screed Gravesend, Screeding Gravesend).
Latex Screed Gravesend
When the make-up of your floor's surface means that a bit of flexibility is required, it may be advantageous to apply a latex floor screed, rather than one with a rigid finish. Latex screeds normally comprise two parts - a cementitious powder and a liquid latex component. The liquid latex solution replaces the water that's used in normal screeds, meaning it is quicker drying and more flexible.
This latex product is used for levelling-out subfloors prior to the installation of the final decorative surface. This is suitable for sub-floors made from concrete, asphalt, wood, sand/cement or stone tiles, is ideal for the application of adhesives and gives a durable and smooth surface. Even if there happens to be a bit of movement in your subfloor, this latex floor screed will give you a crack-free, flexible finish.
When a screed is being laid on the top of a membrane of either acoustic or thermal insulation (i.e. a floating screed), latex screeds aren't suitable, because in such cases (usually when screeding over underfloor heating), you will likely need a screed thickness of 50mm-65mm.
There is a range of work that can be conducted by your local Gravesend floor screeding company including acoustic flooring, concrete pumping, commercial floor screeding Gravesend, basement screeding Gravesend, garage floor screeding in Gravesend, residential floor screeding, underfloor heating screed, concrete screeding, structural screeds, screeding price quotes Gravesend, bonded concrete screeding, sand screeding in Gravesend, floor preparation services, screed flooring, final floor finishes Gravesend, substrate floor preparation in Gravesend, floating screed in Gravesend, fast drying floor screeds in Gravesend, floor screeding advice Gravesend, latex floor screed, rapid strength floor screeds in Gravesend, office floor screeding, unbonded screed, self-levelling floor screeding, granolithic screeding, and more floor screeding tasks. Listed are just a few of the activities that are undertaken by those specialising in screeding. Gravesend professionals will let you know their full range of floor screeding services.
Tools Needed by a Floor Screeding Specialist
- Knee Protection
- Dappling Bar
- Straight Edge
- Tape Measure
- A Long Spirit Level
- Floor Profiler
Floor Screeding Near Gravesend
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Floor screeding in DA11 area, and dialling code 01474.
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