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From lime on a period home to a contemporary silicone finish, explore the main rendering systems and find out what matters before choosing.
Explore the systems ↓Material, finish and wall build-up are different choices. This guide covers the main families, rather than every branded product.
17 options
A fine-textured decorative finish used over a compatible prepared base-coat system.
Often considered for
Contemporary exteriors and specified insulated façades.
Ask for the complete build-up, reinforcement, primer and finish specification.
Weber render systems ↗A factory-blended, through-coloured mineral render, commonly finished with a scraped texture.
Often considered for
Suitable masonry where a coloured mineral finish is wanted.
Check substrate suitability, thickness, junction details and the chosen texture.
Weber render systems ↗A resin-bound decorative render available in textured finishes.
Often considered for
Compatible proprietary render systems.
Confirm moisture behaviour, substrate compatibility and maintenance with the manufacturer.
K Rend products ↗A decorative finish using silicate binder technology.
Often considered for
Specified mineral-compatible façade systems.
Check the required background, primer and full product specification.
Sto render finishes ↗A mineral decorative finish applied as part of a compatible system.
Often considered for
Projects seeking a mineral textured surface.
Confirm finishing coats and any paint requirement for the selected product.
Weber render systems ↗A through-coloured mineral render incorporating silicone technology.
Often considered for
Specified masonry render applications.
It is not the same build-up as a ready-mixed silicone thin-coat system.
K Rend products ↗A non-hydraulic lime-based render, also called air-lime or fat-lime render.
Often considered for
Appropriate traditional masonry and conservation work.
Allow for careful curing and weather protection; match the original fabric.
Tŷ-Mawr: types of lime ↗A lime render with a hydraulic set, available in different strengths.
Often considered for
Traditional masonry where the strength and exposure suit the specification.
A stronger lime is not automatically better. Select for the masonry, exposure and existing materials.
Tŷ-Mawr: types of lime ↗A cement-bound sand render, typically applied in coats and finished or decorated.
Often considered for
Compatible modern masonry and suitable repairs.
Dense cement render can be unsuitable for older moisture-permeable walls.
SPAB: lime and cement ↗A cement-based render mix that also includes lime.
Often considered for
Suitable specified masonry applications.
This is not equivalent to a traditional pure-lime render; confirm the binder and mix.
LABC Warranty: site-made render ↗Aggregate mixed into the wet render and cast onto the wall for a textured finish.
Often considered for
Traditional character and matching existing roughcast.
The binder may be lime or cement-based; specify it to suit the building.
SPAB: roughcast ↗Decorative aggregate thrown onto a fresh receiver coat.
Often considered for
A visibly stony textured exterior.
Agree aggregate size, colour and a sample; use a compatible receiver system.
Weber dry dash ↗A fine, sprayed textured decorative finish over a suitable base coat.
Often considered for
Matching existing textured façades or a distinctive stippled surface.
Agree texture and colour with a physical sample before the main work.
Weber Tyrolean ↗Decorative joint lines or brick-like effects formed in a suitable render system.
Often considered for
Architectural detailing without a plain flat appearance.
These describe the finish, not a separate structural wall or insulation system.
K Rend brick effect ↗Insulation, fixings, reinforced base coat and finish designed as one system.
Often considered for
Projects combining an exterior finish with an insulation upgrade.
Specify the complete system, insulation type, openings, moisture and fire-performance details.
Weber render systems ↗Render applied over approved carrier boards with system-specific joints and reinforcement.
Often considered for
Suitable framed or boarded backgrounds.
The boards, fixings, movement joints and render must work as one specified assembly.
Sto render finishes ↗Purpose-designed render families for particular renovation or thermal requirements.
Often considered for
Projects needing a specialist assessment and product specification.
Do not assume a render alone cures damp or replaces a designed insulation system.
Tell Jamie about your property, the existing finish and what you want to achieve.
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