The Flat Roof Refurbishment Guide for Building Surveyors and Property Managers

Transcription

1 The Flat Roof Refurbishment Guide for Building Surveyors and Property Managers TRIED, TESTED TRUSTED Mount Stewart School, Harrow

2 Contents Pg 3 Pg 4 Pg 5 Pg 6 Pg 7 Pg 8 Pg 9 Pg 10 Pg 11 Pg 12 Pg 13 Pg 14 Pg 15 About The Service Flat Roof Refurbishment Procedure Post-installation Support and Warranties Roofing System Options Added Value, Safety and Access Sustainability Case Study: Hovis Factory, Bradford Case Study: St Clare s School, Derby Case Study: Meadowhall Shopping Centre, Sheffield Case Study: The Centre:MK, Milton Keynes Shopping Centre The Alumasc Group Website and Contact Information Meadowhall Shopping Centre, Sheffield The Website: Technical Support: Provides comprehensive technical information on all aspects of Alumasc s roofing and are backed-up by comprehensive technical advice and hands-on Page waterproofing 2 systems. project support. This starts with roof surveys, technical specification service and The site includes NBS specifications, CAD downloads, online calculators, Product & Safety extends through to site installation and recommendation of appropriate maintenance Datasheets and all relevant Technical Datasheets, BBA/ETA Certificates and supporting regimes. Implementation is led by the Manager appointed to information. the project.

3 Roofing projects from concept to completion Premium waterproofing solutions for flat roofs including green roofs, blue roofs and plant/m&e support systems. Waterproofing systems provided via specification, and installed by approved installers. Installations monitored on site by dedicated field technicians who provide installation reports. Alumasc warranties up to 35 years according to system and specification. Nottingham Trent University Page 3

4 The Service Roof Survey & Condition Report Our expert Site Technicians can tell you the current roof build-up and condition. Product Specification We ll recommend the most appropriate waterproofing for the roof and advise on the waterproofing details. We may propose a combination of different waterproofing methods. CAD/BIM Design & Calculations The devil is in the detail we ll do the supporting calculations for thermal, condensation, wind and drainage. CAD details will complete the package. Site Monitoring & Reports It s no use supplying premium waterproofing products if they are not installed properly. We monitor the installation works to ensure compliance with specification and workmanship standards. Registered Installer Network Vetted and trained in the use of Alumasc Systems, the Alumasc Registered Contractors are a key element of our overall service. Page 4

5 Flat Roof Refurbishment Procedure Following the successful signing off of the roofing works by a Technical Services Engineer. The Alumasc Warranty is issued to the client. Warranty to client Client brief Roof survey & Report Assess client s requirements for the roof. e.g. Length of tenure Life expectancy for roof covering Future access to roof Carry out roof survey to assess roof construction, current condition, health and safety aspects and options for refurbishment. Roofing installation is supervised by dedicated Technical Services Engineers (i.e. not sales person) who produces inspection reports for issue to clients and contractors. Site supervision Registered installers Roof works are installed by a registered contactor with Alumasc trained and carded applicators. All applicators are trained at Alumasc Roofing System s Training Academy. Re-roofing specification Produce bespoke specification for re-roofing specifying appropriate materials for the particular roof situation (e.g. bituminous felts, liquid applied waterproofing, singleply membranes). Specification should also include required accessories.. Page 5

6 Post-installation Waterproofing Guarantee According to the system and project warranties of up to 35 years are available. Our warranties cover the waterproofing system, designs and contractor workmanship. Insurance Backed Warranties For clients who require an additional level of security we can provide an insurance backed guarantee for the roof installation i.e. third party insurance cover therefore providing added backing to the Alumasc warranty provided. Roof Maintenance Packages All roofs need to be maintained for their well-being, in addition to complying with their warranty terms. We can arrange annual maintenance regimes via our registered contractors to maintain the roof s integrity for the term of the guarantee and beyond. FTSE Company Backing Being part of a UK FTSE listed company provides with the PLC support, resources and governance to maintain premium quality products, services and credible warranties. Page 6

7 Roofing System Options Bituminous (Flame-free options available) Full range of bituminous membranes including Torch-applied and Self-adhesive options. Liquid Applied Quick curing, low odour and UV Resistant PMMA cold applied liquid systems for flat roofs, balconies and complex detailing. Hot Melt Structural waterproofing for buried roofs e.g. podiums, green roofs, terraces, car park decking. Single-Ply Membrane EVA thermoplastic, adhesive bonded or mechanically fixed with hot-air welded laps and detailing. Green Roofs Intensive, semi-intensive, biodiverse and extensive. A range of roof systems for all eventualities Page 7

8 Added Value Green Roof Sedum/plant production along with full system supply and installation available to create a habitable space. Plant Support Systems Blue Roof Alleviation of flood risk through rooftop attenuation and the control of peak rainwater discharge from roofs. Plant Support Roof-top accessories for M&E equipment, plant and cabletray support. Rooftop Safety and Access Guardrail Free-standing, cantilever roof edge protection for flat roof or parapet attachment - this includes a fold-down system for unobtrusive aesthetics. Walkways and Access Liquid and porous matting walkway systems, roof service entry necks, high strength fixing points and access ladders all available to help meet CDM regulations. Page 8 Tel: Arcadian +44 (0)1744 Centre, Birmingham roofing@alumasc-exteriors.co.uk

9 Sustainability Recycled Content Recycled materials have been incorporated into our Hydrotech Hot Melt, as well as our bituminous membranes. Recyclable Product Many of our products can be recycled at end of life. Storm Water Management Blue Roofs - these roofs temporarily attenuate rainwater at roof level instead of within ground tanks. A huge benefit all round by providing full control of rainwater discharge from roof level. CO 2 Absorbing Bituminous membrane with a CO 2 absorbing mineral surface, like a green roof but without the weight or cost. Green Roof For aesthetic, environmental or recreational purposes, green roofs provide a multi-functional element to your building. Green roofs are also a good solution when a building needs to be sympathetic to the surrounding landscape. BS EN Third party accreditation of our environmental credentials. Page 9

10 Hovis Factory, Bradford The factory s previous waterproofing system had become severely compromised over time and needed replacing to extend its serviceable life after multiple patchwork repairs had failed. An overlay of the existing membrane was utilised using our dual-bitumen and durable Euroroof RapidR membrane. This is membrane is highly modified for specific use on large refurbishment projects. Hovis Group Engineering Operations Manager commented: We now have a high-quality waterproofing system protecting our iconic breadbaking factory in the heart of Bradford, where we produce our much-loved Hovis bread products. Page 10

11 St Clare s School, Derby St Clare s School in Derby required a roof refurbishment to tackle the existing problems with their current roofing system. The existing roof showed signs of general aging and did not include thermal insulation, also the out-dated fragile rooflights needed upgrading. St Clare s needed a flame-free solution that provided minimal disruption to learning hours but also provide a highly durable system that would provide long lasting results and improve the thermal efficiency of the building. A full 1,400m 2 warm roof solution was installed to vastly improve the overall U-value of the building along with new Alumasc over-sleeve rooflight units, replacing the old Georgian wire rooflights thus providing the school with a bright internal outlook. U-values were also improved further due to the rooflights multi-skin UPVC design. This roofing system consisted of Alumasc PIR Insulation, Euroroof Self Adhesive Preparation Layer and finally the Caltech UV Base Coat and Top Coat providing the ideal solution, tackling the various, complex detailing with this project. Page 11

12 Meadowhall Shopping Centre, Sheffield The landmark roof at Meadowhall Shopping Centre in Sheffield showcases Alumasc s innovative Euroroof Mono Flat Roof Membrane. The project presented a number of complex roof details which required a versatile waterproofing solution. 8,500m² of Euroroof Mono was installed, following its specification by real estate consultants Colliers International, who chose the system due to its flexibility and ease of installation. The system is fully warranted with a typical life expectancy in excess of 20 years. It has been tested rigorously against wind uplift in accordance with BS :1997 and offers high tensile strength and pliability, along with excellent resistance to puncture and UV degradation. Page 12

13 The Centre:MK, Milton Keynes Shopping Centre During the redevelopment of thecentre:mk shopping centre in Milton Keynes Alumasc supplied Derbigum Olivine, a pioneering new flat roofing system with unique environmental benefits. This is an ecological roofing solution that is sourced using natural elements. the Olivine membrane neutralises CO ² during rainfall as it reacts with the CO ² already present in the atmosphere, this neutralises an impressive 1,750kg of CO ² over the roof s lifetime therefore providing a positive impact towards climate change. Alumasc s registered contractor M&J Roofing installed over 1000m² of the Derbigum Olivine membrane. Page 13

14 Alumasc From Survey to Group Completion... Specified, Supplied, Guaranteed Alumasc is a UK based supplier of premium building products, systems and solutions FTSE listed company (since 1986) /17 turnover 104 million - Specialist construction products, including off-site manufacture - 80% of products provided through specification Single Source Solution to any project... All Alumasc Group businesses have strong UK market positions within their individual market niches and several are market leaders. Alumasc Group sustains this strong strategic positioning by offering customers quality products, service and trust. Alumasc has strong specialised positions in premium building product markets. Specifiers recognise the value added by our products, systems and solutions Page 14 Tel: +44 (0) roofing@alumasc-exteriors.co.uk

15 For more information regarding services or products please contact or Download all the documents you need for your project via any device at The Website: Provides comprehensive technical information on all aspects of Alumasc s roofing and waterproofing systems. NBS specifications CAD downloads Online Calculators Product & Safety Datasheets Technical Datasheets BBA/ETA Certificates Supporting Information Page 15

16 Leader in the specification of high performance waterproofing and green roof systems White House Works, Bold Road, Sutton, St Helens, Merseyside, WA9 4JG United Kingdom Tel:+44 (0) info.co.uk