Castleforms are an approved distributor of Soltherm External Render products.
Along with stocking a wide range of product, we also regularly run Soltherm approved courses at our head office in Portlaoise. If you are looking to upskill or become an approved Soltherm installer contact us to register your interest in attending one of our courses.
Topics covered in our Soltherm course
Substrate Type & Condition
- Type & Condition
- Flatness / Plumbness
- Hazards (Asbestos, infestation, etc)
Surface Preparation
- Removal of defective substrate
- Removal of algae /plants
- Downtakings (Fences, satellites, RWP)
Surface Treatments & Primers
- Fungal / biocidal wash
- Sub Primers -
- SOLTHERM SP for absorptive, porous substrate
- SOLTHERM CS for non-absorptive smooth, low-porous substrate
Surface Levelling
- Dubbing out LRC over 5mm BCP/UB under 5mm
- Thinner boards
Starter Track Install
- Identify DPC level
- Fixing centres
- Mitre corners
- Use of packers & connector pieces
- Expanding tape and silicone mastic
Mixing & Application Of Adhesive
- Gauge water content
- Mix mechanically and full bags
- Apply by notched trowel or ribbon & dab -
- which ever method suitable for substrate
Board Types
- EPS - White Graphite (grey)
- Mineral Wool
- Mineral Wool Lamella (stone wool)
- Phenolic
Boarding - Setting Out
- Plan installation - first row critical
- Interlock internal and external corners
- Minimum board size (200mm)
- Brick bond minimum of 200mm (if achievable)
