Floor Screeding Grantham Lincolnshire (NG31): When you're restoring your Grantham property that has damaged or uneven floors, or perhaps converting a basement or cellar to useful living area, an experienced floor screeding company should be your first port of call. A screed is used to generate a smooth floor surface over a concrete sub-base and give a firm base for you final flooring material. The screeding is an important process to guarantee a durable and quality finish to the entire floor structure.
FLOOR SCREEDING EXPERTS GRANTHAM
Whatever size room or area you are renovating, a decent screeding specialist in Grantham will supply the experience and correct working methods to generate a perfect base for your floors. After evaluating your project they will give you advice on the optimal choice of screed and which strategy for applying it is most appropriate for your circumstances.
The screeding company will also notify you if a structural engineer is necessary for your project, in order to check on point loadings, load requirements and flex strength that your flooring may need to conform with building regulations and British Standards.
A skilled and qualified work force is imperative for a successful outcome and will extend the life of your floor by making use of the right form of screed for your room's anticipated purpose. There are many different kinds of floor screeding and choosing the right mix and laying approach is crucial to create a quality floor that's fit for purpose and hard-wearing.
Before deciding upon a screeding contractor from the many based in the Grantham area, ask to what standard of finish they're basing their estimate, and also make certain you get two or three quotes. The price quote may be based on what's called the Surface Regularity, or SR figure. Each of the 3 SR levels deliver different standards of finish, with SR1 being the best, with the smallest amount of deviation over the area. An SR2 or SR3 level might mean there will be flat spots or ridges that could cause problems when putting down your final flooring surface (wood, tile, carpet etc).
Every Grantham screeding company must stick to British Standards (BS8204) and should have some form of accreditation from screeding material and equipment manufacturers, e.g. Cemfloor, Flowcrete, Gypsol. This accreditation program showcases a contractor's training and high quality performance in the usage of a manufacturer's products.
For larger screeding projects in hospitals, salons, shops, warehouses, factories and schools, specialist commercial screeders in Grantham will be needed.
TYPES OF SCREED
Standard Screeds - Widely used in residential projects where the blend of cement and sand is ideal for standard floor traffic usage. The standard screed is a mix of five parts sand to one of cement. This 5:1 ratio standard screed will dry out at a rate of just 1mm per day after laying.
Industrial and Heavy Duty Screed - A screed that is designed for high load and heavy traffic areas where maximum durability and strength is very important.
Polymer Screeds - When a lower thickness of floor is required due to construction factors, a polymer screed provides an extremely high strength solution to the problem. Polymer screeds are available from many manufacturers and owing to their varying chemical compositions have specific drying times for each individual product.
Fast Drying and Advanced Drying Screeds - As the name suggest, this screed dries at a quicker rate and allows you to use the floor area much faster. Drying at a rate of 3-7mm, depending on the mixture, they are typically a fibre reinforced kind of screed and are great for projects which have tight deadlines.
Self-Levelling or Liquid Screeds - When the highest possible standard of finish is required this mix of of latex and cement is employed to achieve SR1 level screeding. This self-levelling compound provides a clean and smooth surface over a damaged floor or rough substrate to allow all flooring materials to be laid. The liquid screed can be laid to a depth of just one millimetre, but still provides a high strength base for a wide variety of flooring finishes.
Fibre Reinforced Screed - Used with underfloor heating systems and is the advised choice in these projects. The increased strength and flexibility provided by the fibres in this screed mix help protect the floor from cracking and shrinkage due to heat. It has a setting rate of 1mm per day.
SCREEDING PREPARATION AND INSTALLATION
To guarantee the screeding is of a high quality finish which is durable and hard wearing, time should be spent on fully preparing the area prior to any screeding material being laid. It is vital that any contaminants such as debris, oil, grease or paint is eradicated from the base before laying any screed, because these can affect the adhesion process that a good quality screed requires.
Any cleaning chemicals which are used during this stage shouldn't leave any residues, and the floor surface must be allowed to dry by itself naturally. If screeding over a cement or stone floor any cracks should be repaired to stop them from "travelling" through the screed layer and resulting in imperfections on the final surface. A site survey will allow the screeding installer to take note of this preparation work and finish it before starting to pour the screeding layer.
To shield the screed layer and flooring materials from moisture rising up from the ground, a DPM (damp proof membrane) will have to be installed. There may be 2 or 3 layers of varying thickness polythene to act as barriers between the insulation layer and screed.
If your house is located in an area where radon is found an additional barrier layer is needed to stop radon gas from getting through. This could be just a simple air-tight membrane, or in severe situations a ventilation system will need to be installed beneath the screeding to extract any influx of radon gas from the ground.
As soon as these stages have been completed the screeding company will put on a primer or sealant to the prepared floor base. Sealers and primers assist with the bonding process and are special applications specifically designed for the sort of screed being used. Equipment such as airless sprays will usually be used to apply a sealant or primer, which should be done by professional screeding installers in Grantham sticking to the manufacturer's guidelines.
This is the time that underfloor heating can be installed and laid out in the correct way. Insulation panels can be arranged and the heating pipes and cabling will be securely attached to prevent any movement while the screed is being applied. Warmth is spread evenly across the floor in a professionally fitted under floor heating system, and coupled with it being an efficient choice of heating, it's a good choice for most Grantham home restoration projects.
If you are not fitting underfloor heating the screed will now be mixed and prepared in situ and poured. The requirements of the room will dictate the sort of screeding that's used. Don't forget that even quick drying and advanced screeds have a minimum of 24 hours before you can walk over any screeded surfaces and at least 72 hours before any flooring materials can be applied. Manufacturer's drying instructions for heavy duty and standard screeds must be followed so as to achieve a quality finish and provide a stable and even floor surface.
You can test the SR level of the completed screed once it's hardened enough to walk on. Through the use of a 2 metre straight-edge the floor surface is examined for any ridges, dips and deviations in the screed surface.
- SR1 - Over the entire area, if there aren't any deviations greater than 3 millimetres from the straight-edge, then you have a top level SR1 standard surface.
- SR2 - SR2 is the classification for normal standard floors in commercial and industrial projects and can deviate from the straight-edge by as much as 5mm.
- SR3 - For other floors where the finish is relatively immaterial SR3 is the specification and has a deviation measurement of ten millimetres or less.
If you need load bearing checks, a qualified structural engineer is needed to carry out the testing. Using specialised equipment the engineer will ascertain the screeded surface strength and its suitability for use in a load bearing environment. This should include what's known as a drop hammer test which assesses various aspects of the strength and flexibility of the screed. The specialist testing and measurement tools required mean that this can only be conducted by a qualified structural engineer heeding the British Standards BS8204 guidelines. (Tags: Floor Screed Grantham, Floor Screeding Services Grantham, Screeding Grantham, Floor Screeding Grantham).
There is a variety of work that can be conducted by your local Grantham floor screeding company including acoustic flooring in Grantham, commercial floor screeding, floor restoration, fibre reinforced floor screeding, shop floor screeding, self-levelling screeding in Grantham, cheap screeding, underfloor heating installation, fast-dry screeds, rapid strength screeds, domestic floor screeding, floor screed testing Grantham, damp proof membranes, floor insulation, floor screeding tools Grantham, conservatory floor screeding in Grantham, cellar floor screeding in Grantham, polished screeding, and lots more floor screeding tasks.
Tools Needed by a Floor Screeder
- Floor Profiler
- Straight Edge
- Tape Measure
- Knee Protectors
- Dappling Bar
- A Long Spirit Level
Floor Screeding Near Grantham
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Other Useful Trades in Grantham Lincolnshire
Obviously, when you're doing home remodeling in Grantham, Lincolnshire, you are likely to need all types of different tradesmen and aside from a floor screeder in Grantham, Lincolnshire, you could also need a plasterer in Grantham, a plumber in Grantham, a carpenter in Grantham, a building contractor in Grantham, a floor tiler in Grantham, a carpet fitter in Grantham, an underfloor heating specialist in Grantham, an electrician in Grantham, waste removal in Grantham, a heating engineer in Grantham, solid wood flooring in Grantham, a bricklayer in Grantham, a handyman in Grantham, plastic flooring in Grantham, and other different Grantham tradesmen.
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Floor screeding in NG31 area, (dialling code 01476).
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