Waterproofing & Tanking - Caltra Building Products

Waterproof Membrane

Claire McComb — Wed, 24 Sep 2025 09:27:21 +0000

Caltra Waterproof Membrane is a sealing strip featuring fleece lamination on both sides. It functions effectively as a vapour barrier and bonds well with tile adhesives, sealing slurries, liquid membranes, and reaction resins. Designed for ease of use, it’s especially ideal for fast sealing applications. The membrane is resistant to both weathering and alkaline conditions. It can be applied to a wide range of stable substrates, including heated and unheated screeds, concrete and brickwork, porous concrete, plasters from mortar categories II, III and IV, and plasterboard and gypsum fibreboard.

• Highly Tear-Resistant
• Water-Vapour-Retarding Sheet
• Suitable for Sealing Under Ceramic Tiles
• Ideal for Wetrooms & Balconies
• 30 x 1m rolls

The post Waterproof Membrane first appeared on Caltra Building Products.

Trade Waterproofing Kit

Sarah — Fri, 25 Jul 2025 11:12:27 +0000

Caltra Trade Waterproofing Kit is a versatile, multi-component system ideal for use in waterproofing applications and to provide secondary protection in tiling installations.

The system comprises a water based liquid applied flexible membrane, a roll of flexible joint sealing tape and a primer. The kit is designed to provide the complete solution wet rooms, shower areas and bathrooms.

• Quick & easy
• Easy to use
• Fast installation
• Suitable for wet rooms, power showers,
• Bathrooms and sports changing areas

Pack Contains:
4L Liquid Membrane, 5m flexible joint sealing tape, 0.5L Acrylic Primer

Coverage:
Approx. 4m2 per kit applying membrane in 2 coats

The post Trade Waterproofing Kit first appeared on Caltra Building Products.

Rapid Tank 360

Claire McComb — Wed, 30 Oct 2024 08:58:29 +0000

Rapid Tank 360 is easily applied, fast setting, flexible sealing slurry with an excellent bonding to mineral surfaces. Non- shrinking and crack-free setting.

The Rapid Tank 360 Sealing Slurry is completely watertight against positive and negative pressured water.

Permeable to vapour diffusion, impermeable to chlorides as well as resistant to frost and ageing. Effective CO2-Barrier. Crack bridging over 1mm even at lower temperatures.

Highly Flexible
Rapid Curing
2 Part Tanking Slurry
Bridges Gaps Up to 1mm
Internal & External

Packaging:

10kg bucket containing 5kg plastic bags
5 kg plastic container

Coverage:
The consumption rate is about 1.3-1.6KG/m2 at 0.8mm per coat.

The post Rapid Tank 360 first appeared on Caltra Building Products.

Duomat 360

Fri, 01 Apr 2022 10:46:00 +0000

Caltra DUOMAT 360 is a low profile membrane providing a decoupling system for all floor tiling. Designed to accommodate and decouple lateral movement and stresses in substrates. Ideal for use with timber floors; natural stone; large format tiles; heated floors; cracked floors etc.

Easy to install
Fast track installation
2 in 1 anti-crack & decoupling
Minimal height build-up (<1mm)
Ideal for underfloor heating
Commercial and domestic use
Less adhesive (compared to installation of ‘waffle’ type decoupling mats)

Size:
30m x 1m rolls

Colour:
White with blue grid on top face

The post Duomat 360 first appeared on Caltra Building Products.

Waterproof Tanking Kit

Sun, 26 Sep 2021 18:04:06 +0000

Caltra Waterproof Tanking Kit is a versatile, multi-component system ideal for use in waterproofing applications and to provide secondary protection in tiling installations.

The system comprises a water based liquid applied flexible membrane, a roll of self adhesive butyl tape and a primer. The kit is designed to provide the complete solution wet rooms, shower areas and bathrooms.

• Quick & easy
• Easy to use
• Fast installation
• Suitable for wet rooms, power showers,
• Bathrooms and sports changing areas

Pack Contains:
4L Liquid Membrane, 5m self-adhesive butyl tape, 0.5L Acrylic Primer

Coverage:
Approx. 4m2 per kit applying membrane in 2 coats

The post Waterproof Tanking Kit first appeared on Caltra Building Products.

Waterproof Anti-Crack Membrane

Sun, 26 Sep 2021 18:02:06 +0000

Caltra Waterproof Anti-Crack Membrane is a low profile membrane providing waterproofing and decoupling for all floor tiling. It is an innovative 3-ply membrane designed to accommodate and decouple lateral movement and stresses in substrates and protect from moisture migration. Ideal for use with timber floors; wet rooms; natural stone; large format tiles; heated floors; cracked floors etc

• Easy to Install
• Fast Track Installation
• 2in1 Waterproofing and Decoupling
• Minimal Height Build-up
• Ideal with Underfloor Heating
• 3-ply Membrane for Lateral movement
• Commercial and Domestic Use
• 20% Less Adhesive*
• 20 x 1m rolls (7.5kg per roll)

*Compared to installation fo ‘waffle’-type decoupling mats

The post Waterproof Anti-Crack Membrane first appeared on Caltra Building Products.

Thermal Construction Board

Sun, 26 Sep 2021 17:40:00 +0000

Caltra Thermal Construction Board is a multi-purpose lightweight construction board, designed for the application of all tile types, cement based screeds and synthetic renders. It is manufactured using high density extruded polystyrene which provides excellent insulating properties.

The extruded polystyrene core has a factory applied reinforced cement coating which provides excellent impact strength, sound reduction and fire resistance making them ideal for construction. can be used anywhere were tile is applied; on floors, walls, ceilings and even counter tops. It should be used especially in wet areas such as bathrooms and kitchens where walls and floors are particularly exposed to moisture.

• Easy to Install
• Insulating
• Durable
• Waterproof
• Sound Reducing

Size:
1200x600mm boards – 6mm, 10mm or 12.5mm thick

The post Thermal Construction Board first appeared on Caltra Building Products.

Tanking Membrane

Sun, 26 Sep 2021 17:39:04 +0000

Caltra Waterproof Tanking Membrane is a ready for use solvent-free sealing compound for professional tanking of areas under tiling installations in wet rooms, showers and other areas at risk from water. It is designed for use in all interior floor or wall applications to protect substrates and surfaces with frequent or prolonged exposure to water e.g. power showers, wet rooms and changing areas in schools and sport facilities.

• Waterproof
• Quick Drying
• Touch Dry in 1 Hour
• Low Odour

Packaging:
5kg and 10kg Tubs

Coverage:

The post Tanking Membrane first appeared on Caltra Building Products.

Self-Adhesive Tanking Tape

Sun, 26 Sep 2021 16:50:44 +0000

Caltra Self-Adhesive Tanking Tape is a ready for use self-adhesive butyl rubber flexible joint sealing tape. It is coated on one side with a non-woven fabric to ensure excellent adhesion to subsequent applications of waterproof membranes or adhesives.

• Waterproof
• Quick and Easy
• Excellent Adhesion
• Instant Seal

Packaging:
5m and 20m rolls x 120mm

Coverage:

The post Self-Adhesive Tanking Tape first appeared on Caltra Building Products.

Flexible Shower Seal Tape

Sat, 25 Sep 2021 15:17:37 +0000

Caltra Flexible Shower Seal Tape is a self-adhesive, high performance waterproof sealing tape that can be applied directly to the wall-facing edge of shower trays, baths, or worktops. Used prior to installation, Flexible Shower Seal Tape provides a secure watertight seal.

• Quick and easy
• Easy to use
• Fast installation
• Suitable for showers, bathrooms and kitchens

The post Flexible Shower Seal Tape first appeared on Caltra Building Products.