LABC Warranty Technical Blog

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Roofs

Thatched roofing: Interactions with modern construction techniques

Published by: Phil Thomas
In this article we discuss how to accommodate the needs of modern construction techniques when dealing with thatched roofing.
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Technical Manual, Roofs

Ponding on flat roofs

Published by: Phil Thomas
Flat roofs are often subjected to temporary standing water, or ponding, especially during or following a heavy downpour of rain....
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Technical Manual, Roofs

Timber posts for canopies, porches, and bay roofs

Published by: Phil Thomas
In this technical article we discuss our warranty requirements for timber posts for canopies, porches, and bay roofs.
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Technical Manual, Roofs

Horizontal cavity trays over horizontal roof abutments

Published by: Phil Thomas
A technical update about the correct installation of horizontal cavity trays over horizonal roof abutments.
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Technical Manual, Roofs, Building Regs, Building Safety

Fully supported single skin metal roofs

Published by: Phil Thomas
Guidance relating to how the Functional Requirements in the Technical Manual may be satisfied where a fully supported single skin...
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Technical Manual, Roofs, Building Regs

Batten space ventilation for pitched roofs

Published by: Phil Thomas
This technical update provides guidance on satisfying the functional requirements in our Technical Manual when installing batten...
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Technical Manual, Roofs, Building Regs, Risks

Guide to creating weatherproof parapet walls

Published by: Phil Thomas
This article introduces the principle of adopting a ‘3 lines of defence’ approach to creating robust and executable detailing at...
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Superstructure, Roofs, Risks

Developments within coastal locations

Published by: Phil Thomas
This update provides additional guidance relating to how developments in coastal locations can meet the requirements of our...
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Technical Manual, Roofs

Tech update - lead neoprene joints

Published by: Phil Thomas
This technical update provides additional guidance on lead neoprene joints that can be used to form gutter details.
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Technical Manual, Roofs, Building Regs, Drainage, Building Safety, Risks

Major Projects: Zero falls flat roof policy

Published by: Phil Thomas
How to satisfy our requirements to accepting zero fall flat roofs only where the project is managed by the LABC Warranty Major...
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Technical Manual, Roofs, Materials

Blue roof guidance (and above-ground attenuation surfaces)

Published by: Phil Thomas
A blue roof is a flat roof or deck designed to provide controlled attenuation and management of rainfall to the sewer or outfall...
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Technical Manual, Roofs

Mortar bedded ridges and hips - mechanical fixing

Published by: Phil Thomas
This technical article provides additional guidance on mortar bedded ridges and hips and the use of mechanical fixings.
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Technical Manual, Roofs

Thatched roofs in new builds and conversions

Published by: Phil Thomas
Forget about crop tops, power suits and denim jackets making a comeback, let’s talk about the traditional craft of thatched roofs...
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Technical Manual, Roofs

Canopy Flashing and Weathering Details

Published by: Phil Thomas
This technical update blog provides additional guidance on canopy flashings and weathering details.
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Technical Manual, Roofs

Tech Update: Roof tiling and underlays

Published by: Phil Thomas
This technical update provides additional guidance on the 2014 and 2018 changes to BS 5534.
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Technical Manual, Roofs

Tech Update: Flashing systems, fake or alternative lead

Published by: Phil Thomas
This technical update provides additional guidance on the use of flashing systems, ‘fake’ or ‘alternative lead’, regularly used...
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Technical Manual, Roofs

TRADA Span Tables

Published by: Phil Thomas
This technical update provides additional guidance on the TRADA span tables.
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