Directory of Traditional Building Skills - Mourne Heritage Trust

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Telephone:Email:MAIN CONTRACTORWilliam Dowling Ltd.71–73 Grand StreetHildenLisburn BT27 4TX028 9266 6444 Fax: 028 9262 9678info@williamdowling.co.ukContact:S Woodrow or A ReidSize of Firm:Specialisation:Background:Membership:Examples of Work:10–50 peopleWorks throughout Northern IrelandJoinery manufacturer, shopfitting, bricklaying, concreting,plasterwork, restoration of listed buildings and monumentsincluding castles and churchesEstablished 1895. CITB Certificate of Training commitment,Civic Trust Award 2002, Construction Excellence Award 2002,Civic Trust Awards 2000 CommendationCEF, Safe T Cert, CITB, CIOB, RICS, Constructionine,Controlled Waste2002 (L) Linenhall Library, Belfast – Extension, alteration andrefurbishment (Architect: Hall Black Douglas, Belfast)2000 (L) St George’s Market, Belfast – Restoration andrefurbishment, re-roofing, stone repair and cleaning2004 (L) Redhall, Ballycarry – Replacement of lead flashing,repair and damp–proofing of damaged stonework and treatmentof roof timbers (Architect: Kriterion Conservation Architects,Belfast)(L) Rosemary Street Presbyterian Church, Belfast – Internalredecoration, stonework repairs, gutter and roof repairs(Surveyor: Watts & Partners, Belfast)66
1 MASONRY – STONE AND BRICKDressed, or finely cut, stonework is comparatively rare in Ireland; it was mainly used on grandhouses, churches and public buildings. Many buildings are in rubble stone, often limewashedor rendered; however for the last hundred years brick has been the predominant material.Unfortunately, through time some of the skills and appreciation of the demands in workingwith stone have been lost. In the recent past it was difficult to get the right advice, the rightmaterials and the craftsmen to work sympathetically on stone. Now the climate has changed,there is a revival of interest and it is possible now to have good work carried out – there are nolonger any excuses for botched repairs and alterations.Stone buildings weather, often attractively, but pollutants can disfigure and decay. There is along and inglorious history of attempts to slow down and stop this weathering process; manytechniques have caused more damage than if the building had been left alone.Stone walls need to breathe and need to remain flexible. Lime should be the basis for mortars,grouts, washes and renders. Some superior work made use of hydraulic lime which has adegree of natural ‘set’ akin to cement, but most construction work made use of pure, nonhydrauliclime in the form of lime putty mixed with aggregate. This material can only hardenwhen in contact with air and in some circumstances may take many years to set completely.The great advantage, however, is that unlike cement and the stronger hydraulic limes, pure limeputty is porous, thereby allowing moisture entering the fabric of the building to evaporate andescape. It is also flexible so accommodating minor structural movement without cracking.Lime putty is now readily available from suppliers in Northern Ireland and the Republic ofIreland.Cement render is not a suitable material for use on a historic building and is not a cure for dampproblems. A thick porous lime plaster coating will give the best weatherproofing and durabilityresults on solid masonry walls.Cleaning, if necessary at all, is an expert’s job, a complex process that requires a sensitivetouch and deep understanding. High pressure grit blasting and indiscriminate use of powerfulchemicals have caused enormous damage and must be avoided. Newer, gentler methods havebeen developed and are already in use. Above all, a full survey of the building needs to becarried out before any decisions are made, samples taken and tests done to determineappropriate repair, replacement and cleaning methods. Then a very detailed specificationshould be drawn up to ensure that the work is carried out correctly; good site supervision isessential.Stone walls are usually thick, 400–600mm is common, and inherently stable though theenlargement of openings or breaking out of new ones can be hazardous and should only becarried out with professional advice. Walls do move, bend, twist and lean and in modestbuildings may have little or no foundations. Such problems do not usually require panicmeasures but an acceptance that old structures will not necessarily be square, plumb or true.Lime mortars and renders remain flexible and can accommodate such movements. Attempts tostraighten walls will both remove the character and prove enormously expensive. ExternalFrench drains, damp proof membranes in floors and electro-osmotic damp proof courses canalleviate damp penetration and, in most cases, original walls can be retained.67
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IIThe Square, Killough, County Down
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If you are professionally involved
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CONTENTSForewordIntroductionDos and
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INTRODUCTIONIt is reassuring to rea
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DOS AND DON’TS IN MAINTAINING AN
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Any significant structural problems
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Window maintenance at Belfast City
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MGCMICEMIWEMMRIAINHBCNTPVC-UReg. Ar
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Telephone:Email:Website:Consultant
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Telephone:Email:Consultant - ARCHIT
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Telephone:Email:Website:Consultant
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Page 33 and 34: Telephone:Email:Website:Consultant
Page 37 and 38: Telephone:Consultant - ARCHITECTJoh
Page 41 and 42: Telephone:Consultant - ARCHITECTLar
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Page 59 and 60: Telephone:Email:Consultant - BUILDI
Page 61 and 62: Telephone:Email:Consultant - ENVIRO
Page 63 and 64: Telephone:Email:Consultant - QUANTI
Page 65 and 66: Telephone:Email:Consultant - MULTI-
Page 67 and 68: Consultant - ARCHITECTStone Conserv
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Page 71 and 72: Telephone:Email:MAIN CONTRACTORFeli
Page 73 and 74: Telephone:Email:MAIN CONTRACTORHugh
Page 75 and 76: Telephone:MAIN CONTRACTORJoseph McC
Page 77 and 78: Telephone:Email:MAIN CONTRACTORMart
Page 79 and 80: Telephone:MAIN CONTRACTORNoel Kille
Page 81 and 82: Telephone:MAIN CONTRACTORRoy Hanna
Page 83: Telephone:Email:MAIN CONTRACTORTA H
Page 87 and 88: Whilst building or repairing rubble
Page 89 and 90: e) ConsolidantsChemical consolidant
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Page 97 and 98: Telephone:Sub-Contractor - SLATING
Page 99 and 100: Sub-Contractor - SLATING &ROOFINGCa
Page 101 and 102: Telephone:Sub-Contractor - LEADWORK
Page 103 and 104: Sub-Contractor - LEADWORKT Chambers
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Page 109 and 110: Sub-Contractor - IRONMONGERY &METAL
Page 111 and 112: Window shutters and glazing in need
Page 119 and 120: 6 PLASTERWORK AND RENDERSUntil the
Page 121 and 122: Telephone:Sub-Contractor - PLASTERW
Page 123 and 124: Sub-Contractor - PLASTERWORKCastle
Page 125 and 126: Venetian window with coloured latti
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Page 133 and 134: Sub-Contractor - TILES & TILINGCast
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9 PAINTWORKPaint has long been used
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10 FITTINGSPerhaps in Ireland more
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Telephone:Email:Website:Sub-Contrac
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Telephone:Sub-Contractor - WOODCARV
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Sub-Contractor - CABINETMAKINGWilli
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Large chimneys are divided into mul
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Telephone:Sub-Contractor - REMEDIAL
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12 SERVICESThe introduction of any
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13 SPECIALIST SURVEYS & PHOTOGRAPHY
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Telephone:Email:Website:Sub-Contrac
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SUPPLIERS137
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Telephone:Email:Website:Supplier -
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Telephone:Email:Supplier - LIME PUT
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Telephone:Email:Supplier - RAINWATE
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Appendix 1: FURTHER READINGThe foll
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The Georgian Group6 Fitzroy SquareL
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Historic ScotlandLongmore HouseSali
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Appendix 2: GRANTS AND OTHER ASSIST
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Appendix 3: USEFUL ADDRESSES AND CO
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Building Preservation TrustsAdvice
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Department of Agriculture and Rural
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INDEX OF CRAFTSMEN, FIRMS, PRACTICE
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INDEX OF SKILLS AND SPECIALISMSArch
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Directory of Traditional Building Skills - Mourne Heritage Trust

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