Premixed natural hydraulic and non-hydraulic lime mortars - versatile, sustainable, and durable for conservation and new builds

For use with Aerosana Visconn and Aerosana Visconn Fibre liquid airtight membranes

Sprayer and sealant gun for Aerosana Visconn and Visconn Fibre 600ml foil cartridges

Fibre reinforced sprayable/brush applied airtight liquid membrane

Sprayable/brush applied airtight liquid membrane

Intelligent airtight membrane made from paper

Airtight vapour control membrane

Intelligent and robust airtight vapour control membrane

Airtight Weather Resistant Vapour Check Membrane

Wind, water and weatherproof breathable membrane

Self-adhesive, peel and stick, windtight monolithic breather membrane

Fire-retardant plain black windtight breather membrane with integrated self-adhesive edges

Plain black UV resistant windtight breather membrane

Vapour permeable monolithic black breather membrane for timber frame construction and suspended timber floors

Double-sided adhesive tape for interior and exterior use

Expanding sealing tape for connections to windows and door frames

Flexible airtight tape for use on penetrations in membranes

Weatherproof and watertight sealing tape for windows and doors

Airtight adhesive tape for use on corners and junctions

Low-cost multi-purpose and highly flexible airtight tape

External windtight and waterproof tape for sealing windows and doors

Pre-installation window and door sealing tape

Airtight masonry to membrane, door and window sealing tape

Airtight fully black discreet UV resistant adhesive tape

Paper-based airtight sealing tape

Watertight sealing tape and moisture barrier tape.

Weathertight double sided nail sealing tape

Double sided solid adhesive strip supplied on a roll.

Flexible airtight solid acrylic sealant

Tector Natural Finish is a dry mixed natural hydraulic lime render and mortar.

Tector Natural Base is a dry mixed natural hydraulic lime render and mortar.

Flexible natural fibre thermal insulation batts

Chips for lime harling/dashing.

Breathable, Smooth & Quick Setting Lime Plaster

Breathable, Thermal & Quick Setting Lime Plaster

Capillary active polyurethane rigid foam panel for creating highly insulating, diffusion-capable interior insulation with capillary moisture transport

Insulation board with extremely good insulating qualities.

Reinforcement fabric made of E-glass

Reveal panel in the iQ-Therm system

Fine Filler

Temperature-regulating render

Adhesive mortar in the iQ Therm system

Clear, hydrophobising impregnation agent on a silane/siloxane base for limestone

Clear, hydrophobising, solvent-based impregnation on a silane/siloxane base

Washable silicate interior wall paint in the iQ-Therm system, free from solvents and plasticisers

Mineral fine render.

WTA-compliant restoration render for damp and salt-loaded masonry with especially high sulphate resistance

WTA-compliant restoration plaster for masonry with moisture and salt loads

Salt storing, WTA-compliant pore undercoat render in the restoration render system for masonry subjected to moisture and salt loads.

WTA-compliant preparatory mortar

Multi-functional building waterproofing Combines the properties of flexible and crack-bridging mineral waterproofing grouts (MWG; AbP as per PG-MDS/FPD) and bitumen thick coatings (PMBC; U report according to DIN EN 15814)

Special primer

Single-component, solvent-free, strengthening silicification concentrate

Mineral stone replacement mortar, cement-free

Remmers RM is used for restoring, supplementing and re-profiling mineral substrates such as natural stone, brick, concrete and synthetic stone.

Fast-reacting synthetic resin mortar

Organic thixotropic agent

Polymer granules

Aqueous, transparent, two-component sealant

Anti-slip, transparent sealant

Water-based transverse conducting layer

Conductive coating

Chemically resistant, crack-bridging coating

Transparent epoxy resin with a low tendency to yellow

Crack-bridging protective coating

Pigmented, self-levelling coating

Water-based, pigmented, silk-gloss sealant

Water-based, pigmented, Matt sealant

Fast-reacting primer and mortar resin

Special, substrate-tolerant primer

Fast-acting primer for slightly damp substrates

Transparent priming and mortar resin

Water-based impregnation agent and primer

Pigmented primer on a water emulsifiable epoxy resin base with a wide application spectrum.

The E’Grid 2020 Biaxial Geogrid is to be used within our Limecrete floor (Glasscrete) when under floor heating is being installed. The E’Grid is to be laid out over the Geotextile membrane that is wrapped around the compacted Geocell foam glass aggregate. The Geogrid is then used to clip the underfloor heating too to secure the pipes before the screed is installed. Sizes: 1 m UNIT x 2 m (Available by the metre cut to length) 75 m ROLL x 4 m

Insulating board from the dry process with a range of thicknesses.

Multifunctional rigid insulation board made from natural wood fibres.

Liquid primer with fine grains for application underneath fine clay topcoat plaster and YOSIMA clay design plaster.

Combined sheathing- and renderboard made from natural wood fibres.

Single or multilayer basecoat plaster for interior application.

Non-hazardous and biodegradable cleaning solution for removing harmful and unsightly biological and air pollutant staining from building materials.

Coloured clay smooth filler on clay topcoat plaster and other sufficiently smooth surfaces.

A lime-based premixed fine top coat render and renovation plaster.

Reabilita Cal RB (formerly Reboco) by SecilTek is a dry, pre-mixed lime render exclusively formulated from natural hydraulic lime, with the inclusion of natural fibres.

Isovit E-Cork mortar (formerly Adhere Vit) by SecilTek is a white, fibre reinforced, fixing and levelling mortar.

Custom Solutions are exactly as they sound; we create a new mortar or alter an existing mortar to suit specific properties or requirements.

Identifying a mortar or render’s constituent components is a good first step to developing a suitable specification for repair or replacement.

Mortar matching is a process which enables our clients to use a mortar which is as similar as possible to the original or existing material.

Fibreglass mesh used as a reinforcing material for many different applications.

Helifix Crack Stitching repairs and stabilises cracked masonry

Grouted tie for stabilising solid masonry

HeliBond is an injectable, non-shrink, thixotropic, cementitious grout that rapidly develops compressive strength.

Helical stainless steel reinforcing bar for masonry repair and strengthening in both remedial and new build situations.

Limewash gives great coverage, a brilliant rich finish and can hold mineral pigments extremely well.

Natural wood fibre board for internal wall and roof applications. (Square edge)

Highly Durable ASF External Paint. Industrial grade with Active Silicification Formula (ASF) for unsurpassed durability in the harshest environments. For bare lime renders and most mineral surfaces.

External paint. Very hard wearing commercial grade, general purpose paint. For all mineral surfaces and over existing paints.

Our highest quality internal paint. Easy application with the highest vapour permeability and scrub resistance.

Roundtower supply the full range of traditional Cast Iron rainwater goods.