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Spec MCC03: Coating of Lead Flashings

Specification for the coating of Lead Flashing on Roofs

Prepare the surface to be coated as follows:

  1. Wash down the lead thoroughly with a detergent (e.g. washing up liquid diluted in water) to remove contaminants and allowed to dry.
  2. When dry, abrade the lead surface, to provide a key for the primer coating, and remove all loose particles removed.
  3. Apply one coating of Temacoat GPLS primer and allow to dry.
  4. Apply one coat of Temadur 90 as a top coating.

Temacoat GPLS and Temadur 90 are available in a range of BS, RAL, and NCS colours. (Check colour selection on

Application of Temacoat GPLS and Temadur 90 to be as per manufacturer’s instructions contained in the relevant Data sheets, available from McConnells.

Please consult with McConnell Coatings regarding volumes required.


All of our products are available direct from McConnells and are sold subject to the Company’s Standard Conditions of Sale.

The Company and its employees are often asked on potential uses of McConnell’s products in addition to those described in the Company’s data sheets. Whilst in such cases the Company and its representatives will always try to offer helpful and constructive advice, the Company cannot be held responsible for the results of such uses unless they are specifically confirmed in writing by McConnells. The Customer/User must always test our product in their particular application to satisfy themselves that their requirement is fulfilled before proceeding with their project.



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