Basement 4, specialist in high quality, bespoke basement conversions and cellar conversions.

Using only the best quality materials and products available with our specialist teams of installers.

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Process of Works

QuickTime Movie

This movie shows the process of works

( Movie created by Tigershark Productions )

Floor and Drainage

Floor level lowered to base of foundation Hardcore infill

Floor level lowered to base of foundation and replaced with Hardcore infill.

Drainage channel and Sump liner Dual pump system with battery back-up and alarm

Sump liner installed to 100mm drainage channel and dual pump system with battery back-up and alarm fitted.

Waterproof Membrane System

Studded damp-proof membrane system A Studded damp-proof membrane system B

Studded damp-proof membrane system added to walls.

Damp-proof membrane floor system A Damp-proof membrane floor system B

Damp-proof membrane system added to floor with heat welded overseal.

Insulation

50mm solid floor insulation 1200 guage DPM plastic

50mm solid floor insulation is added with 1200 guage DPM plastic.

50mm solid floor insulation 1200 guage DPM plastic

50mm solid wall insulation is added.

Finishing

12.5mm Plasterboard 2 coat plaster finish

12.5mm plasterboard and 2 coat plaster finish.

Optional laminate floor Optional structural work and decoration

Optional laminate floor, structural work and decoration.

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