Guidance note on floor screeds and finishes by National Federation of Plastering Contractors.

Cover of: Guidance note on floor screeds and finishes | National Federation of Plastering Contractors.

Published by NFPC in London .

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StatementNational Federation of Plastering Contractors.
ID Numbers
Open LibraryOL17054910M

Download Guidance note on floor screeds and finishes

These screeds can be used as both levelling Guidance note on floor screeds and finishes book wearing screeds depending upon their specific design qualities and can be flowable or trowel applied. They can be used under resin screed finishes and are applied in thinner sections than standard cement screeds.

(See FeRFA Guidance Note No. 8) Calcium Sulphate screeds. Both types are deemed suitable to receive resin floor finishes. Screeds in accordance with BS Part 1 (): Concrete Guidance note on floor screeds and finishes book and cementitious levelling screeds to receive floorings ² Code of Practice may also be suitable to receive resin floor finishes as long as certain strength criteria are PHW 5HIHU WR PDQXIDFWXUHUV UHFRPPHQGDWLRQV 2.

screeds are prone to hygrometric shrinkage due to part of the mixing water evaporating or drying off. This may cause curling or cracking (Fig. and Fig. If cracks develop after installing the flooring (Fig.

), the floor covering could be damaged and/or become detached. Technical Notebook LAYING FLOOR SCREEDSFile Size: 1MB. Screeds, flooring and finishes - selection, construction and maintenance. Product code: specification and construction. Thisbook provides comprehensive guidance for clients, designers, specifiers andcontractors on the selection and construction of internal flooring looks at a variety of applications, including stairs and floors.

Guidance Note. Abstract. Guidance for flowable, polymer modified, cementitious screeds and trowel, polymer modified or plasticised, cementitious screeds used as underlayments in resin flooring; covering selection criteria, applications, joints, surface preparation, classification, and a glossary of terms.

History. Revised February Screeds, flooring and finishes - selection, construction and maintenance (R) In comparison with other building components, flooring has historically had one of the highest rates of failure.

And failures mean high costs arising from failure investigations, remedial. The Resin Flooring Association 1 FERFA GUIDE TO FLOWABLE POLYMER SCREEDS AS UNDERLAYMENTS FOR RESIN FLOOR FINISHES FeRFA Guidance Note No.

8File Size: KB. Note: Acoustic floor coverings in general, including cushioned PVC and acoustic linoleum floor finishes must be removed, and the subfloor prepared in accordance with BS Note: Allura Ease can only be laid on a substrate that has previously received only a single layer of resilient floor covering.

Preparation Guide Preparation of the Base Floor Finishes When cement based products are applied to the finished floor screed such as levelling compounds or adhesives, the screed must be primed with a suitable and compatible product as recommended by the flooring manufacturer.

SCREEDS UNDER FINISHES. Screeds intended to be covered with floor finishes should provide an even surface as appropriate. Recommendations for screeds suitable for various floor finishes are given in the British Standards referred to in Materials clause - M2.

BS gives recommendations for screeds to receive in-situ floorings. Installation Guidance Note: ‐ New or existing concrete or cement screed substrate ‐ New or existing wood panel or particle board substrates ‐ Existing ceramics tiles ‐ Old in‐situ floor finishes (resin) at least 2 mm thick ‐ Old floor paint ‐ Old compact resilient floor.

Floor screed is composed of cementitious materials and sand based on a suitable mix design applied to provide a leveled surface for the floor finish.

Types Floor screed is composed of cementitious materials and sand blended based on a suitable mix design and applied to provide a leveled surface for the floor finish which is introduced to the surface of the floor : Madeh Izat Hamakareem.

Note that in some areas additional screed may be necessary to level out the camber in the units. After laying the screed it shouldteel be s floated and then wetted for 48 hours to prevent shrinkage cracks.

In certain areas, namely balconies, roofs, walkways, tiled areas, car parks and areas where the screed is to be left unfinished, the screed.

Floor finishes in schools 3 School building clients, their professional advisers, contractors and their supply chains should use the guidance to inform their decisions on floor finishes and specification standards at the early stages of a project’s development – whether that be new build, extension or refurbishment – at RIBA stages Size: KB.

Concrete Industrial Ground Floors 4th Ed. Preface This is the fourth edition of Concrete Society Technical Report Concrete industrial ground floors TR34 is recognised globally as a leading publication giving guidance on many of the key aspects of concrete industrial ground floors.

This guidance note has been prepared and edited by David Pickles. It forms one of a series of thirteen guidance notes covering the thermal upgrading of building elements such as roofs, walls and floors.

First published by English Heritage March This edition (v) published by. Summary: Ch a p t e r This Chapter gives guidance on meeting the Technical Requirements and recommendations for floor finishes, including integral insulation, screeds, ceramic, concrete and similar tiles, flexible sheet and tiles, wood block and asphalt.

NHBC Standards do not cover aspects of health and safety relating to building operations and to the handling and use of certain. SR1 is the highest quality and is usually achieved by applying a smoothing levelling compound to accommodate thin sheet flooring finishes at an additional cost.

This document is designed to help you understand the requirement for temporary screed protection to achieve best possible performance of.

NHBC Standards Chapter (formerly Ch ) Floor finishes. Fibre reinforced screeds. NHBC Standards Chapter (formerly Ch ) Garages. Garage - concrete floors Garage wall construction Compartment walls between garages (Revised March ) Carports - fire separation. NHBC Standards Chapter (formerly Ch ) Drives, paths and landscaping.

Concrete floors. For the robustdetails ® concrete separating floors, guidance notes about the junction detailing are provided on pages 6 and 7 of Appendix A1 in the Robust Details Handbook.

Whilst the makeup of a concrete floor differs significantly from a lightweight floor. Levelling screeds are not intended to act as a wearing surface and should always be covered with a final floor finish.

A screed is also the preferred medium when laying underfloor heating. Best practice recommends that, to avoid movement issues, screeds should not cover an area of more than 40m² or a distance in any one direction longer than 8m.

The Existing under-floor systems in churches are often wet systems in trenches, or (for post-war churches) floors incorporating electric heating. New systems in churches are generally plastic pipes embedded in a screed over insulation and a damp-proof course, with the floor finished in stone or tile.

Many churches are now considering under-floor. SCREEDS TO RECEIVE A FLOOR FINISH. Where a screed is to be used as a sub-base for a floor finish, the surface should be suitable for the required finish as specified in the design.

(g) screeds on resilient insulation materials. Screeds above resilient insulating materials should be laid on a separating membrane and reinforced as specified. A consistent approach to finishes Timber cladding (f) appearance of timber cladding Some variation in colour may occurr in uncoated timber exposed to the weather.

The rate and extent of colour change will vary between species and can sometimes vary even within the same species.

Commentary • recommendationsthe effects of normal weathering mayFile Size: 1MB. Bidders should refer to 'Guidance Note on Pricing of Activity Schedule' Note: The bidder is advised to visit and ins ect the site rior FLOOR FINISHES All works to include screeds, skirtin s and finishes to floor surfaces.

Second Floor. The RICS new rules of measurement (NRM) 28 Floor, wall, ceiling and roof finishings 29 Decoration 30 Suspended ceilings 31 Insulation, fire stopping and fire protection These rules have the status of a guidance recommendations are made for specific. Covers the different types of floor screeds and their applications, identifies areas of failure, offers advice on problem avoidance and provides guidance on choosing the correct specification.

Flowcrete UK has dedicated itself to the pursuit of flooring excellence since INSULATION OF SUSPENDED TIMBER FLOORS Introduction This guidance note provides advice on the methods, materials and risks involved with insulating suspended timber ground floors.

The applications described are also appropriate for timber upper floors where there is an unheated space below, for example, above a passageway or garage.

Advice is also. BS does not provide guidance on the structural design or related construction of concrete ground-supported floors or suspended slabs. Information on these aspects is given in BS The specification of concrete for base slabs is given in BS European standards for In situ Flooring products Brian Poulson: Executive Director, FeRFA (The Resin Flooring Association) and member of CEN Technical Committee TC "Floor screeds and in situ floorings in buildings" INTRODUCTION saw the publication of the first ever performance standard in the UK for flooringFile Size: 43KB.

applying a finish or cladding for the first time. • Renewal of internal wall finishes to an external wall (excluding decoration) or where you are applying a finish for the first time e.g. re-plastering or dry lining walls. • Renovation or replacement of a solid or suspended floor, involving the replacement of screed or a timber floor deck.

Provides co-ordinated guidance for clients, designers, specifiers and contractors on the selection and construction of internal flooring systems and floorings. Guidance is given in specification and workmanship aspects of screeds and floorings, including the requirements for testing of materials and the finished flooring.

Author. Gatfield, M. Screeds can take many months to dry out and it is extremely important to determine the moisture content of a screed accurately prior to the application of further floor finishes.

Failure to determine that the screed has sufficiently dried prior to application of a damp proof membrane or a vinyl floor covering can lead to problems at a later stage. Floor finishes; Floor decking; Drainage below ground. Compliance; where pipes are located under screeds (including air or water testing before and after the screed is laid) to ensure leaks or other defects are made good prior to the application of finish and handover of the home.

Contents - Click a link to skip to the section you want to read. 1 Intro; 2 First things first – insulation for radiant heating systems. Insulation shouldn’t stop at the floor; 3 Semi-dry floor screed – what is it and what thickness is best?.

Choose your contractor wisely; Drying time; 4 Liquid screed for underfloor heating systems. Huge coverage; Advantages of liquid. The Concrete Centre regularly contacts registered users with email newsletters, event invitations and updates on new guidance. If you would like to receive this information, please enter your email address and we will subscribe you to our e-news list.

Polished Screed Floor Colours & Finishes Polished screed systems can create your desired finish without the need to replace your entire substrate. Our polished screed applications can be undertaken in the colour and finish of your choice, with an almost endless colour palette and both matte and high gloss options available.

Prior to coverings the screed moisture must be tested using either a hair hygrometer carbide bomb or oven test and below 75% RH (% Moisture).

Sanding Sanding is required when tiling is the finished floor, or any other floor coverings that will be glued to the screed.

Product description FeRFA type N/A. Altro Screed 3mm standard and Altro Screed 3mm slip-resistant variants are a three-part solvent-free epoxy resin system with a decorative appearance, comprising of clear resin and coloured graded or natural quartz aggregates.

Both Altro Screed variants produce a highly decorative floor screed providing a moderate level of chemical resistance for medium duty. METHOD STATEMENT SCREEDING OF FLOOR Series: MS Series & Number MS Issue Date: 14th November Revision Number 2 Revision Date 30TH October Page 6 of 8 Tenant safety & protection of tenant’s goods and décor It is the responsibility of the principal contractor to advise tenants of works to be carried out,File Size: KB.

Altro Crete is commonly used in environments where it is exposed to aggressive chemicals, often at elevated temperatures.

In these circumstances it is possible for the surface to become cosmetically bleached without affecting the durability of the floor finish. Please refer to Altro and FeRFA Guidance Note No.3 for further information.Energy Efficiency and Historic Buildings Insulating solid ground floors This guidance note is one of a series which explain ways of improving the energy efficiency of roofs, walls and to their internal layout and local floor finishes, and can therefore have ground floors of several.Exposed Aggregate Concrete Finishes [Appearance matters] William Monks Laying Floor Screeds [Construction guides] G.

Barnbrook Planning for Quality on Site – Guidance Notes (Quality management) [Guidance Notes] British Cement Association [paperback] ) Precast Concrete Frame Buildings [British Cement Association.

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