Installation Guides
Product installation guidance for competent trade installers. Confirm the exact product, current technical instructions and project-specific regulatory requirements before work begins.
13 guides available
Rainwater Systems
Half-Round Gutter Installation
Complete guide to installing fascia-mounted half-round guttering, including bracket spacing, fall calculation, downpipe positioning and joint assembly.
Rainwater Systems
Ogee Gutter Installation
Step-by-step fitting of Kalsi Klassic and Krown Ogee guttering, including bracket positioning, gutter fall, movement allowance at union brackets, and outlet installation.
Underground Drainage
110mm Underground Drainage
Laying 110mm drainage pipe, including safe excavation, design gradients, bedding and backfill, access provision, jointing, and pre-backfill testing.
Underground Drainage
160mm Underground Drainage
Installation considerations for 160mm drainage systems, including design approval, safe excavation, jointing, bedding, access, testing, and sewer connections.
Soil & Waste
Push-Fit Soil Stack Installation
Installing a push-fit soil stack, including supported pipework, branch connections, ventilation, roof termination, and tested fire-stopping where required.
Soil & Waste
Solvent Weld Waste System
Guide to 32mm, 40mm and 50mm solvent-weld waste systems, including appliance-specific layout, joint preparation, the specified cement system, support, and traps.
Roofline
Fascia & Soffit Replacement
Removing old roofline boards and fitting PVC-U fascia and soffit, including structural timber assessment, board support, roof-specific ventilation, and finishing details.
Roofline
Capping Board Installation
Fitting PVC-U capping board over sound, dry and stable timber using approved mechanical fixings, while preserving eaves support, drainage and ventilation.
Wall Panelling
Bathroom Wall Panel Installation
Fitting Kalsi PVC wall panels using the method approved for the exact panel family, substrate, adhesive or clips, trims, and sealed wet-area joints.
External Cladding
Double Embossed External Cladding Installation
Installation of DuraKlad Double Embossed external cladding using ventilated timber battens, concealed stainless-steel fixings, expansion gaps and matching trims.
External Cladding
External Shiplap Cladding
Fitting Kalsi shiplap cladding over a drained and ventilated cavity, including supported battens, starter and edge trims, movement allowance, and opening details.
External Cladding
Woodland Timber Cladding Installation
Installing Woodland Timber external cladding over a ventilated batten framework, including concealed mechanical fixings, movement allowance, trims, and colour handling.
MDPE Pipe
MDPE Water Pipe Installation
Installing blue MDPE potable-water service pipe, including notification, trenching, compatible fittings, protection, inspection, and undertaker-specific commissioning.
Installation Best Practices
- Always read the full installation guide before starting work
- Check all components and quantities before installation
- Use only Kalsi-recommended fixings and adhesives
- Allow for thermal expansion—follow expansion gap guidance
- Check the current written guarantee terms for the exact product
- Contact technical support if you're unsure—we're here to help
Technical Support
Got a question during installation? Our technical team can talk you through any issue.
0121 693 0373 Contact SupportVideo Tutorials Coming Soon
We're developing video installation guides to complement our written guides. In the meantime, visit our video library for manufacturing and product overview content.