Repair Systems — 03 — Facade & External Envelope
Brickwork deterioration — repair systems
Technical product reference for brickwork deterioration repair in Australian Class 2 strata — select a product category to view system information, brand comparisons and procurement sources for repointing mortars, cavity wall tie replacement, lintel systems, cavity flashings, masonry cleaning and surface protection.
Repointing Mortars
Repointing mortar — lime-based
NHL 3.5, NHL 5.0 and lime putty gauged mortars for heritage and soft brick masonry repointing — breathable, compatible with pre-1950s brick.
3 product systems
Repointing mortar — cement-based
GP cement, polymer-modified and pre-mixed masonry cement mortars for modern brick repointing — AS 3700 compliant mix proportions.
3 product systems
Brick Replacement & Repair
Remedial Cavity Wall Ties
Remedial cavity wall ties — stainless helical (re-tie)
Stainless helical wall ties — 6 mm grout-in, 8 mm heavy-duty and dry-fix friction systems — for re-tying brick veneer and cavity masonry.
3 product systems
Remedial cavity wall ties — chemical resin anchor
Epoxy and vinylester resin anchor systems and proprietary kit re-tie systems for cavity wall tie replacement where grouted systems are not suitable.
3 product systems
Remedial cavity wall ties — mechanical expansion
Sleeve torque-control, undercut expansion and wedge expansion mechanical cavity wall tie systems for re-tying masonry facades without resin.
3 product systems
Lintel Systems
Lintel systems — duplex coated steel
Duplex coated (hot-dip galvanised + powder coat) steel angle, channel and flat-bar lintels for new and replacement lintel installation.
3 product systems
Lintel systems — galvanised steel
Hot-dip galvanised steel angle, channel and flat-bar lintels — AS 4100 steel, minimum 85 µm HDG coating — for standard exposure environments.
3 product systems
Lintel systems — stainless steel
Grade 316 stainless steel angle, flat-bar and back-to-back angle lintels for coastal, aggressive and marine exposure environments.
3 product systems
Lintel systems — concrete (precast & in-situ)
Standard reinforced, prestressed and engineer-designed precast concrete lintels for masonry facade openings — AS 3600 compliant.
3 product systems
Cavity Flashing
Cavity flashing — aluminium
Mill finish, powder coated and profiled aluminium cavity tray flashings — AS 3700 compliant, non-corrosive, for standard masonry cavity applications.
3 product systems
Cavity flashing — lead
Code 4, Code 5 and Code 6 milled lead sheet flashings — traditional material with excellent formability for complex profiles and heritage restoration.
3 product systems
Cavity flashing — embossed aluminium-cored (Alcore-type)
Bitumen-aluminium composite, polyester reinforced and self-adhesive Alcore-type embossed aluminium-cored cavity flashings with integral weep formers.
3 product systems
Movement Joints & Water Repellents
Movement joint and polyurethane sealant systems
Sikaflex-11FC, Mapeflex PU45 and Dymonic FC high-movement polyurethane sealants for masonry control and movement joints.
3 product systems
Penetrating silane water repellent systems
Sika Protectosil, Mapei Antipluviol and Dulux Weathershield penetrating silane/siloxane water repellents for masonry facade protection.
3 product systems
Masonry Cleaning
Masonry cleaning — acid wash
Hydrochloric, phosphoric and sulphamic acid brick cleaning systems for efflorescence, mortar smear and general masonry surface preparation.
3 product systems
Masonry cleaning — chemical and poultice
Attapulgite, kaolin and proprietary masonry poultice systems for stain removal, salt draw and non-acid cleaning of heritage masonry.
3 product systems