Geotec Underlay

Calder Industrial Materials Ltd
Prevents wear due to thermal movement. Used to isolate sheet metal roofing from substrates allowing metal sheet to expand and contract with temperature changes. Useful on existing traditional timber boards to prevent ridges and fractures forming on the lead sh...

Ready-made Lead Slates

Calder Industrial Materials Ltd
A solution to weathering pipe penetrations through tiles or slates roofs. Manufactured from Code 4 lead with bases of 450 x 450 mm, with minimum rear upstands of 150 mm. Special sizes can be made to order....

Lead Flexislates

Calder Industrial Materials Ltd
Flexislates make good weathertight joints between pipes/ aerials etc which penetrate tiled, slated and built-up felt roofs. Manufactured from Code 4 lead with bases of 450 x 450 mm, with sealing sleeves of moulded EPDM synthetic rubber securely bonded in posit...