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Water­pro­ofing membrane

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Wall Waterproof Membrane – Baseline 8

Waterproof membrane for tanking walls and floors. Cavity drain membranes in 40m2 & 48m2 rolls for basement wa­ter­pro­ofi­ng. Leaves surfaces ready for dry wall lining or floor laying.
  • RRP £238.80
  • £171.00
  • £142.50
Rating 5.0 of 5

Waterproof Membrane – Baseline 8 Kit

Water­pro­ofi­ng membrane kit with everything needed for water­pro­ofi­ng 40m2 or 48m2 of floor or wall. Fix studs to basement membrane plugs for dry-lining walls. Lay screed direct.
  • RRP £404.10
  • £270.00
  • £225.00

Plaster Membrane - Baseline Mesh

Basement waterpro­ofi­ng membrane for tanking walls. Mesh membranes have a tough HDPE mesh surface for direct application of wall plaster or adhesive dabs for plas­ter­board. 20m2 or 40m2 roll
  • RRP £217.20
  • £163.20
  • £136.00

Baseline Mesh Membrane Kit

Mesh membrane kit in 3 sizes with everything needed for waterpro­ofi­ng wall surfaces. These waterproof tanking membranes include a mesh face for direct application of plaster or dabs for plas­ter­board.
  • RRP £346.80
  • £245.58
  • £204.65
Rating 5.0 of 5

Slimline Mesh Membrane

Slim mesh-faced damp proofing membrane in 3 sizes for direct application of wall plaster or tile grout. Use following DPC cream injection or flood. Enables re-plaster within the drying out period.
  • RRP £155.52
  • £129.60
  • £108.00

Damp Check – Mesh Membrane Kit

Damp Check Kit provides an effective moisture barrier when isolating damp walls from internal finishes. The air gap behind the damp-proof membrane allows walls to breathe and water to drain. 10m Kit
  • RRP £140.40
  • £126.00
  • £105.00

Water­pro­ofing Membrane – Baseline 20

Water­pro­ofi­ng membranes with 20mm studs for use on cellar floors with 20mm studs. A membrane with high cavity drain capacity. Ideal for basement wa­ter­pro­ofi­ng leaving ready for flooring. Roll size: 40m2
  • RRP £432.00
  • £323.94
  • £269.95

External Waterproof Membrane – GeoTex

Double-layered waterproof cavity drain membrane for foundation waterproofi­ng in new-build ap­pli­cati­ons. High density polyethylene membrane bonded to a geotextile mat. Roll size 1.9m x 20m (38m2)
  • RRP £391.20
  • £294.00
  • £245.00

Foundation Water­pro­ofing Kit

A foundation waterpro­ofi­ng kit for protecting below-grade walls from ground water in new-cons­truc­ti­on situations. Epoxy paint, 2-part drainage membrane, fixings and capping strips - 38m2
  • RRP £657.60
  • £522.00
  • £435.00

Slimline 3 Floor Membrane

A low profile 3mm dimpled waterproof membrane for sealing damp concrete floors without extensive surface preparation. Size: 40m2
  • RRP £271.20
  • £191.40
  • £159.50

Tanking Membrane – Thermaseal

Insulated waterproof membrane for tanking walls in basement water­pro­ofi­ng projects. For subsequent dry-wall lining. Roll size: 1.35m x 50m (67.5m2)
  • RRP £358.80
  • £285.00
  • £237.50

Tanking Membrane 20m

A cost effective polyp­ro­pyle­ne tanking membrane with 2mm studs formed on one face of the product and a mesh welded to the other side. Available at a special trade price in a 1m x 20m or 2m x 20m roll
  • RRP £179.40
  • £125.40
  • £104.50
Rating 5.0 of 5

Basement water­pro­ofi­ng membrane systems form a continuous impermeable envelope in cellars to keep damp and water out. Cellar conversions are rapidly becoming a popular choice for those wanting to extend the size of their living ac­com­moda­ti­on without extending the size of their home. Tanking membrane and floodwater management systems provide a dependable basement wa­ter­pro­ofing solution.

When planning a basement conversion considera­ti­on must be given to the accumulation of hydrostatic water pressure that can result in the penetration of ground water into the cellar through cracks and at vulnerable wall junctions.

What are the options for robust basement water­pro­ofi­ng measures that will keep damp and water at bay?

  • External waterpro­ofi­ng membranes are used for capping or for new construction projects with underground cellar space. A double-layered geotextile membrane is fixed on the outside of the wall, prior to back-filling, to prevent water entering the cellar walls.
  • Cement tanking slurry is painted onto the inside of cellar walls to hold back the damp. Walls using a basement tanking slurry for structural wa­ter­pro­ofi­ng behave like a dam to stop water penetration.
  • Cavity drain membrane is fixed over the walls and floors of cellar areas in existing buildings. The membrane incorporates stand-off studs to create a continuous air-gap from which water can drain, leaving the plastered finishes unaffected.

In our opinion basement tanking in existing buildings is best carried out with waterproof membrane systems. The membranes are supplied in a variety of roll sizes and stud depths. Finishing options include fixing studs and drywall to the membranes or, for membranes that incorporate a thermally bonded mesh, the direct application of plaster or plasterboard adhesive.

The studded waterproof membrane isolates wet cellar walls and floors from dry internal surfaces. Behind the membrane any water seeping through the walls drains into channels and sumps before being silently pumped away - simple, efficient and cost effective. Basement tanking membrane is a quick and easy solution to basement wa­ter­pro­ofi­ng issues.