Know how to apply hangings to walls and ceilings. Test criteria The learner can:

Transcription

1 Title: Know how to apply hangings to walls and ceilings Level: 3 Credit value: 7 Learning outcome The learner will: 1. describe methods used in wallpaper production and the trimming and jointing methods required Test criteria The learner can: 1.1 describe the following methods of production: wet embossing, laminating, dry embossing, heat expansion, particles onto wet adhesive 1.2 describe the following printing methods: block, screen, machine, wet, dry, embossing 1.3 identify the following types of pattern: set/straight match, drop/offset match, random/free match 1.4 identify the following paper types and outline their characteristics: pulps, anaglypta, washable, vinyl, duplex, simplex, fabric-backed vinyl, paper-backed fabrics, hand-print, paper-backed vinyl, warps/weftless, lincrusta, supadurables, flock, hessian, metallics, glass fibre, foil damp 1.5 describe appropriate locations for a range of paper types as in 1.3 above 1.6 describe methods of trimming for paper types, as in 1.3 above, and the tools and equipment required methods of trimming: pre-trimmed, remove selvedge tools and equipment: Ridgley straight edge and trimmer, metal straight edge and trimming knife, fabric-backed vinyl joint cutter, tape measure, folding ruler, plumb bob, spirit level, paperhanging shears, sponges, paperhanging brush, rubber rollers, felt rollers, spatulas, seam roller, trimming knives, paste brush, access equipment, pencil, paste table, buckets, troughs, protective strip (plastic for paper backed wide-width vinyls, zinc), chalk and line 1.7 describe the importance of accurate trimming when removing a selvedge CC 3015K Page 1 of 7 Version 1 ( )

2 1.8 describe the following methods of jointing, for paper types (as in 1.3 above), and the tools and equipment required when hanging, as in 1.6 above: butt joint, overlap, cut 1.9 identify the following international performance symbols: spongeable, washable, super-washable, scrubbable, moderate light fastness, good light fastness, strippable, peelable, ready pasted, paste-the-wall, free match, straight match, offset match, design/distance repeat, direction of hanging, co-ordinated fabric available, reverse alternate lengths 2. know how to select and prepare adhesives 2.1 state the papers for which the following adhesives are suitable: cellulose paste, starch paste, PVA, ready-mixed (heavy weight), proprietary (easy strip, light, medium, heavy), overlap, lincrusta glue 2.2 explain the advantages and disadvantages in relation to the range of adhesives as in 2.1 above: ease of application, adhesive properties, marking quality, mould inhibitor 2.3 describe how the factors listed below may affect the consistency of adhesives: incorrect preparation, paper type, paper weight, room/air temperature, surface 3. know how to apply papers to ceilings, walls and complex surfaces 2.4 describe how the following defects can occur due to incorrect consistency of adhesives: blisters, delamination, stretching 3.1 explain the factors to be considered when planning: ceilings, walls, staircases, sloping ceiling/dormer window, freestanding column/pillar, ceiling of above average span (i.e. 3m), alcove/niche/arch, starting point, finishing point, centring, doors, window reveals, features/obstacles, borders 3.2 specify the use of each of the following papers and pattern type papers: lining (two qualities), embossed, blown vinyl, standard (washable, vinyl), ready-pasted, borders pattern types: set/straight match, offset/drop match CC 3015K Page 2 of 7 Version 1 ( )

3 3.3 describe why lining is advisable in the following circumstances: solvent-painted wall, excessive making good, type of finishing paper 3.4 describe how to use the girthing and area methods of calculating the quantity of paper for the following pattern types: set/straight match, drop/offset match, random/free match 3.5 explain the following cutting considerations: pattern type (bold with prominent repeat, small or indefinite pattern), pattern match (set/straight, offset/drop), batches, wastage, shading 3.6 explain the reason for marking lines for each of the following occasions: first drop on wall, after internal/external angle, over and around reveals position: horizontal, vertical method: sprit level, plumb bob considerations: access required, light source, room dimensions, economy 3.7 describe how careless pasting can cause the following faults and their prevention and repair: dry edges, blistering, delaminating, joint gapping, paste staining, polishing, sheen patches, staining, tearing 3.8 explain the reasons for selecting concertina and end-to-end/lap folds, for horizontal and vertical lengths 3.9 describe the reasons for the following pasting methods in relation to the range of papers in 3.2 above: pasting machine, brush, roller, ready pasted 3.10 describe the appropriate use of shears, knife and straight edge, and casing wheel when trimming waste from ceiling length ends, in circumstances where the walls are to be either painted or papered 3.11 describe each of the following hanging processes in the listed circumstances processes: practical hanging and trimming of patterned (set/straight match, drop match) papers and with borders to walls only CC 3015K Page 3 of 7 Version 1 ( )

4 with: internal and external angles, sockets/switches/ceiling rose, window reveals using: cutting methods (star cut and half star cut, mitres) to: ceilings, walls, stairwells including: three of the following (at least one of which must be hung with a matching patterned paper): sloping ceiling/dormer window, free-standing column/pillar, ceiling of above average span (i.e. 3m), alcove/ niche/arch 3.12 describe working practices relating to the following health and safety issues: the Work at Height Regulations, sharp blades, electrical safety, COSHH 3.13 explain the causes of the following defects and how they can be prevented: creasing, inaccurate angle cutting, loss of emboss, mould growth, overlapping, poor matching, shading, tearing 3.14 state the implications of not maintaining the following paperhanging tools in a clean and cared for condition: tape measure, folding ruler, plumb bob, spirit level, paperhanging shears, sponges, paperhanging brush, trimming knives, caulker, pencil, spatulas, access equipment, paste brush, buckets, rubbish containers/bags, metal straight edge and trimming knife, chalk and line, troughs, paste table 4. know how to hang wide-width vinyls 4.1 explain the reasons for checking the suitability of the surface in relation to the need to make good and prime, when hanging paper-backed and fabric-backed papers 4.2 explain the implications and importance of each stage in the following manufacturers instructions: surface preparation, material type, internal angles, adhesive type and application method, directional hanging advice, process of cutting from rolls (descending order), use of full width material (no off-cuts or out-of-sequence drops), shading checks, use of spatula, jointing methods, health and safety advice 4.3 state the maintenance and cleaning of wide-width vinyls CC 3015K Page 4 of 7 Version 1 ( )

5 4.4 explain the cause(s) of the following defects and how they can be prevented: shading, springing joints, surface marking/staining 5. know how to hang specialist papers 5.1 explain the reasons for checking the suitability of the surface in relation to the need to make good, prime and line, when hanging the following specialist papers: Paper-backed fabric, lincrusta, hand print, flock or other decorative specialist papers (e.g. warps/weftless, supadurables, hessian, metallics, glass fibre) etc. 5.2 compare the following advantages and disadvantages for specifying the use of each specialist paper as in 5.1 above: decorative, cost, ease of application, textured, durability 5.3 explain the factors to be considered when planning the following: walls, starting point, finishing point, internal and external angles, doors, features and obstacles, window reveals, joints 5.4 describe how to use the girthing and area methods of calculating the quantity of paper for the specialist papers as in 5.1 above 5.5 explain the following cutting considerations: batches, shading, pattern type, pattern match (set/straight, offset/drop), wastage 5.6 describe how careless pasting can cause the following faults in relation to the specialist paper as in 5.1 above, and their prevention and repair: dry edges, blistering, delaminating, joint gapping, paste staining, polishing, staining, tearing 5.7 explain the implications and importance of each stage in the following manufacturers instructions for specialist papers: surface preparation, material type, shading checks, adhesive type and application method, process of cutting from rolls, directional hanging advice, jointing methods, internal angles, health and safety advice CC 3015K Page 5 of 7 Version 1 ( )

6 5.8 explain the cause(s) of the following defects that occur with specialist papers and how they can be prevented: loose edges, loose fibres, polished areas, delamination, blisters, tears, overlaps, open joints, irregular cutting, inaccurate matching, flattening of emboss, staining/surface marking, corners incorrectly negotiated 5.9 explain the selection of the following methods of trimming for each of the specialist papers as in 5.1 above: knife and straight edge, shears, casing wheel, Ridgeley track and trimmer, knife and self healing board 5.10 explain why trimming techniques for lincrusta differ from techniques used for other specialist papers. 6. know how to store materials 6.1 describe how the physical considerations of racks, wrapping and dust relate to the correct storage of specialist, wide-width and standard papers and the range of adhesives 6.2 describe how the atmospheric considerations of temperature, dampness and direct sunlight relate to the storage of specialist, wide-width and standard papers and the range of adhesives 6.3 state the reasons why a wallhanging may be supplied with a selvedge and the recommendation to store it on end CC 3015K Page 6 of 7 Version 1 ( )

7 Additional information about the unit: Unit purpose and aim(s) The aim of this unit is to provide the learner with the knowledge to: prepare for and hang wallcoverings. Unit expiry date 30 June 2015 Details of the relationship between the unit and relevant national occupational standards or other professional standards or curricula (if appropriate) Test requirements or guidance specified by a sector or regulatory body (if appropriate) Support for the unit from an SSC or other appropriate body (if appropriate) Location of the unit within the subject/sector classification system Name of the organisation submitting the unit Availability for use The knowledge developed by the learner will enable them to: identify materials for suitability prepare materials install wallcoverings. This unit contributes towards the knowledge and understanding required for the following NOS units: VR 343 Hang wallcoverings to complex surfaces VR 337 Hang wide-width vinyls Key skills This unit contributes towards the key skills in the following areas: Communication 2.2 Application of number 2.1, 2.2 Problem solving 2.1, 2.2, 2.3 To be tested in the academic and capability forum Endorsed by ConstructionSkills 05 Construction, Planning and the Built Env Building and Construction Construction Awards Alliance (CAA) Private/owned unit Unit available from 1 August 2008 Unit guided learning hours CC 3015K Page 7 of 7 Version 1 ( )