Lead Underlay

Lead underlay works particularly well when used on existing traditional timber board substrates. Ridges and fractures are prevented from forming due to its composition, and you have the benefit of working with a lightweight material which conforms to the requirements of the Lead Sheet Association.

Using a high-quality lead underlay will ensure a long lifespan for correctly fitted lead sheet, and our range of premium underlay is supplied by industry-leading expert, Calder. We also stock building paper, which can be used on smooth substrates, including plywood, as long as its underside is ventilated. 

Building paper is also suitable for natural stone surfaces, and if you’re working with concrete or screed it’ll prevent the free alkali released by drying cement from attacking the lead sheet. All of Calder’s building papers conform to BS1521 Class A. 

We also stock:

Products in Lead Underlays:

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