Harrison Roofing Services are committed to evaluating and minimising the environmental impact of our work.


Environmental Statement

In our Health & Safety Policy, you’ll see our statement on Environmental issues. We are committed to taking steps to prevent pollution and to comply with all relevant environmental legislation and regulations. More than that, it is our belief that we have a duty to protect the planet and its resources.

It is our policy to:

  • Minimise the use of energy, water and natural resources

  • Minimise waste through prevention, re-use and recycling where possible

  • Dispose of waste safely and legally

  • Avoid the use of hazardous materials, where practical

  • Work with environmentally responsible suppliers

  • Prevent environmental damage and minimise nuisance factors such as noise and air pollution.

Read all of our Environmental Statement in full here, by downloading our Health & Safety Policy. 


Timber Policy

Harrison Roofing Services are proud to follow the British Standard BS 5534:2014 recommendations for the design, performance and installation of pitched roofs and vertical cladding using slates, tiles, shingles and shakes and their associated components.

These recommendations were revised in 2014. (It’s important to note that the requirements for quality and performance of tile battens have not changed from the 2010 version.)

The 2010 revisions include several important changes. At Harrison Roofing Services, we are committed to following these new recommendations, including:

  • The updated standard has made changes to fixing specifications, to reduce the chance of “ballooning” up of underlay membrane in high winds; for instance, batten spacing, membrane thickness and methods of tile fixing. A new wind speed map of the UK has been produced and manufacturers will be required from 1 February 2015 to provide information on wrappers to show the zonal limit for each product.

  • Hips and ridges are now required to be mechanically fixed.

  • The rules for tile battens contained in BS5534:2014 are unchanged. Only battens which have been fully graded by the manufacturer according to the full requirements of Annex D of the Standard (which covers knot size, frequency, distortion, slope of grain, etc) can be marked BS 5534, signifying compliance with the Standard.
  • For NHBC sites, only graded battens are allowed on site. Under the NFRC competent Roofer scheme which applies to re-roofing work, only fully graded battens can be used. Due to other changes in legislation, in future, the only alternative to a competent Roofer scheme will be an inspection by local authority building control (who will undoubtedly be looking for fully graded and marked BS 5534 battens).

Lead Policy

We source all our lead from two key manufacturers: ALM and BLM, who ensure our compliance with British Standard BS EN 12588. This Standard was drawn up to ensure Rolled Lead Sheet is produced to specific, and consistent, thickness tolerances and an exact chemical composition, to ensure the longest-possible lifespan for Lead Sheet, when it is fitted correctly.

The British Standard requires that Lead Sheet conforms to a quality of not less than 99.81% pure Lead, and has a range of standard thicknesses with a tolerance of +/- 5%. BLM aims for a quality of not less than 99.93% Lead in the alloy used for producing its Rolled Lead Sheet. All BLM Rolled Lead Sheet conforms to BS EN 12588 and comes backed with a 50-year warranty, providing it is installed in accordance with the Lead Sheet Associations “Rolled Lead Sheet Manual” and BS 6915, which specify the correct design and construction of Lead Sheet roof and wall coverings.

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